./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:14:32,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:14:32,774 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:14:32,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:14:32,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:14:32,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:14:32,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:14:32,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:14:32,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:14:32,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:14:32,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:14:32,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:14:32,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:14:32,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:14:32,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:14:32,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:14:32,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:14:32,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:14:32,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:14:32,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:14:32,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:14:32,794 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:14:32,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:14:32,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:14:32,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:14:32,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:14:32,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:14:32,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:14:32,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:14:32,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:14:32,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:14:32,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:14:32,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:14:32,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:14:32,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:14:32,802 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:14:32,802 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:14:32,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:14:32,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:14:32,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:14:32,810 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:14:32,811 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:14:32,811 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:14:32,812 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:14:32,812 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:14:32,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:14:32,812 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:14:32,813 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:14:32,814 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:14:32,814 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:14:32,814 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:14:32,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:14:32,814 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:14:32,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:14:32,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:14:32,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:14:32,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:14:32,816 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:14:32,816 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_29e5622d-e1d4-46fc-8e96-856572ad523f/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-11-22 23:14:32,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:14:32,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:14:32,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:14:32,851 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:14:32,851 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:14:32,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-22 23:14:32,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/data/561e68231/0a0e46fa9a3141478790fe9c47431533/FLAG870ca357e [2018-11-22 23:14:33,366 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:14:33,367 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-22 23:14:33,376 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/data/561e68231/0a0e46fa9a3141478790fe9c47431533/FLAG870ca357e [2018-11-22 23:14:33,871 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/data/561e68231/0a0e46fa9a3141478790fe9c47431533 [2018-11-22 23:14:33,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:14:33,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:14:33,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:14:33,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:14:33,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:14:33,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:33" (1/1) ... [2018-11-22 23:14:33,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:33, skipping insertion in model container [2018-11-22 23:14:33,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:33" (1/1) ... [2018-11-22 23:14:33,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:14:33,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:14:34,178 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:14:34,182 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:14:34,246 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:14:34,256 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:14:34,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34 WrapperNode [2018-11-22 23:14:34,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:14:34,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:14:34,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:14:34,257 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:14:34,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:14:34,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:14:34,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:14:34,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:14:34,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... [2018-11-22 23:14:34,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:14:34,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:14:34,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:14:34,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:14:34,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:14:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:14:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:14:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:14:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:14:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:14:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:14:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:14:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:14:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:14:35,202 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:14:35,202 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:14:35,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:35 BoogieIcfgContainer [2018-11-22 23:14:35,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:14:35,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:14:35,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:14:35,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:14:35,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:14:33" (1/3) ... [2018-11-22 23:14:35,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ca0935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:14:35, skipping insertion in model container [2018-11-22 23:14:35,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:34" (2/3) ... [2018-11-22 23:14:35,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ca0935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:14:35, skipping insertion in model container [2018-11-22 23:14:35,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:35" (3/3) ... [2018-11-22 23:14:35,212 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label22_true-unreach-call_false-termination.c [2018-11-22 23:14:35,219 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:14:35,225 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:14:35,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:14:35,261 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:14:35,261 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:14:35,261 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:14:35,261 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:14:35,261 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:14:35,262 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:14:35,262 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:14:35,262 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:14:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-22 23:14:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:14:35,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:35,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:14:35,288 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:35,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:35,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times [2018-11-22 23:14:35,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:35,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:35,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:35,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:35,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:35,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:14:35,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:14:35,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:35,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:14:35,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:14:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:14:35,577 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-22 23:14:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:36,134 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-11-22 23:14:36,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:14:36,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-11-22 23:14:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:36,145 INFO L225 Difference]: With dead ends: 623 [2018-11-22 23:14:36,145 INFO L226 Difference]: Without dead ends: 385 [2018-11-22 23:14:36,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:14:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-11-22 23:14:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2018-11-22 23:14:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-22 23:14:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 642 transitions. [2018-11-22 23:14:36,198 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 642 transitions. Word has length 103 [2018-11-22 23:14:36,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:36,198 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 642 transitions. [2018-11-22 23:14:36,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:14:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 642 transitions. [2018-11-22 23:14:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-22 23:14:36,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:36,204 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-22 23:14:36,204 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:36,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:36,205 INFO L82 PathProgramCache]: Analyzing trace with hash 93763940, now seen corresponding path program 1 times [2018-11-22 23:14:36,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:36,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:36,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:36,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:36,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:36,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:14:36,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:14:36,332 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:36,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:14:36,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:14:36,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:14:36,334 INFO L87 Difference]: Start difference. First operand 381 states and 642 transitions. Second operand 6 states. [2018-11-22 23:14:36,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:36,969 INFO L93 Difference]: Finished difference Result 1187 states and 2106 transitions. [2018-11-22 23:14:36,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:14:36,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-11-22 23:14:36,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:36,974 INFO L225 Difference]: With dead ends: 1187 [2018-11-22 23:14:36,974 INFO L226 Difference]: Without dead ends: 812 [2018-11-22 23:14:36,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:14:36,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-22 23:14:37,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 795. [2018-11-22 23:14:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-22 23:14:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1286 transitions. [2018-11-22 23:14:37,004 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1286 transitions. Word has length 123 [2018-11-22 23:14:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:37,005 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 1286 transitions. [2018-11-22 23:14:37,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:14:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1286 transitions. [2018-11-22 23:14:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-22 23:14:37,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:37,008 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-22 23:14:37,008 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:37,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:37,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1391612558, now seen corresponding path program 1 times [2018-11-22 23:14:37,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:37,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:37,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:37,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:37,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:37,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:14:37,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:14:37,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:37,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:14:37,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:14:37,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:14:37,094 INFO L87 Difference]: Start difference. First operand 795 states and 1286 transitions. Second operand 3 states. [2018-11-22 23:14:37,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:37,524 INFO L93 Difference]: Finished difference Result 2259 states and 3762 transitions. [2018-11-22 23:14:37,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:14:37,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-11-22 23:14:37,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:37,529 INFO L225 Difference]: With dead ends: 2259 [2018-11-22 23:14:37,530 INFO L226 Difference]: Without dead ends: 1470 [2018-11-22 23:14:37,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:14:37,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2018-11-22 23:14:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1470. [2018-11-22 23:14:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2018-11-22 23:14:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 2189 transitions. [2018-11-22 23:14:37,560 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 2189 transitions. Word has length 124 [2018-11-22 23:14:37,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:37,561 INFO L480 AbstractCegarLoop]: Abstraction has 1470 states and 2189 transitions. [2018-11-22 23:14:37,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:14:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2189 transitions. [2018-11-22 23:14:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-22 23:14:37,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:37,564 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-11-22 23:14:37,564 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:37,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:37,565 INFO L82 PathProgramCache]: Analyzing trace with hash -379164823, now seen corresponding path program 1 times [2018-11-22 23:14:37,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:37,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:37,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:37,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:37,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:37,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:37,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:37,633 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-22 23:14:37,634 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:37,662 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:37,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:37,964 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:14:37,965 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1197 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-22 23:14:37,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:37,970 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:14:38,169 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 80.67% of their original sizes. [2018-11-22 23:14:38,170 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:14:38,198 INFO L415 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-11-22 23:14:38,198 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:14:38,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:14:38,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-22 23:14:38,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:38,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:14:38,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:14:38,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:14:38,200 INFO L87 Difference]: Start difference. First operand 1470 states and 2189 transitions. Second operand 6 states. [2018-11-22 23:14:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:39,390 INFO L93 Difference]: Finished difference Result 3082 states and 4611 transitions. [2018-11-22 23:14:39,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:14:39,390 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-22 23:14:39,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:39,423 INFO L225 Difference]: With dead ends: 3082 [2018-11-22 23:14:39,423 INFO L226 Difference]: Without dead ends: 1618 [2018-11-22 23:14:39,426 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:14:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2018-11-22 23:14:39,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1616. [2018-11-22 23:14:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2018-11-22 23:14:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2346 transitions. [2018-11-22 23:14:39,462 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2346 transitions. Word has length 131 [2018-11-22 23:14:39,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:39,462 INFO L480 AbstractCegarLoop]: Abstraction has 1616 states and 2346 transitions. [2018-11-22 23:14:39,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:14:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2346 transitions. [2018-11-22 23:14:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-22 23:14:39,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:39,465 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:14:39,466 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:39,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:39,466 INFO L82 PathProgramCache]: Analyzing trace with hash 793765979, now seen corresponding path program 1 times [2018-11-22 23:14:39,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:39,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:39,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:39,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:39,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:39,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:39,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:39,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-22 23:14:39,535 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:39,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:39,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:39,751 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:14:39,751 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2414 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2414 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-22 23:14:39,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:39,768 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:14:39,965 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 82.29% of their original sizes. [2018-11-22 23:14:39,965 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:14:40,034 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-22 23:14:40,035 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:14:40,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:14:40,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 23:14:40,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:40,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:14:40,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:14:40,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:14:40,036 INFO L87 Difference]: Start difference. First operand 1616 states and 2346 transitions. Second operand 10 states. [2018-11-22 23:14:44,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:44,194 INFO L93 Difference]: Finished difference Result 3887 states and 5895 transitions. [2018-11-22 23:14:44,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-22 23:14:44,194 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-11-22 23:14:44,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:44,202 INFO L225 Difference]: With dead ends: 3887 [2018-11-22 23:14:44,202 INFO L226 Difference]: Without dead ends: 2277 [2018-11-22 23:14:44,207 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-22 23:14:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2018-11-22 23:14:44,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2270. [2018-11-22 23:14:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-11-22 23:14:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3140 transitions. [2018-11-22 23:14:44,256 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3140 transitions. Word has length 136 [2018-11-22 23:14:44,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:44,257 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 3140 transitions. [2018-11-22 23:14:44,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:14:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3140 transitions. [2018-11-22 23:14:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-22 23:14:44,261 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:44,261 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-22 23:14:44,261 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:44,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash -293226280, now seen corresponding path program 1 times [2018-11-22 23:14:44,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:44,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:44,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:44,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:44,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:14:44,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:44,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:44,366 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-22 23:14:44,367 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:44,369 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:44,370 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:44,509 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:14:44,509 INFO L272 AbstractInterpreter]: Visited 108 different actions 319 times. Merged at 6 different actions 15 times. Never widened. Performed 3726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 23:14:44,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:44,516 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:14:44,622 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 84.27% of their original sizes. [2018-11-22 23:14:44,622 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:14:44,649 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-22 23:14:44,649 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:14:44,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:14:44,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-22 23:14:44,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:44,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:14:44,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:14:44,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:14:44,650 INFO L87 Difference]: Start difference. First operand 2270 states and 3140 transitions. Second operand 9 states. [2018-11-22 23:14:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:46,789 INFO L93 Difference]: Finished difference Result 5495 states and 7936 transitions. [2018-11-22 23:14:46,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 23:14:46,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2018-11-22 23:14:46,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:46,800 INFO L225 Difference]: With dead ends: 5495 [2018-11-22 23:14:46,801 INFO L226 Difference]: Without dead ends: 3231 [2018-11-22 23:14:46,806 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-22 23:14:46,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2018-11-22 23:14:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 3194. [2018-11-22 23:14:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3194 states. [2018-11-22 23:14:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4281 transitions. [2018-11-22 23:14:46,869 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4281 transitions. Word has length 140 [2018-11-22 23:14:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:46,870 INFO L480 AbstractCegarLoop]: Abstraction has 3194 states and 4281 transitions. [2018-11-22 23:14:46,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:14:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4281 transitions. [2018-11-22 23:14:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-22 23:14:46,876 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:46,876 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:14:46,876 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:46,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:46,877 INFO L82 PathProgramCache]: Analyzing trace with hash 381716831, now seen corresponding path program 1 times [2018-11-22 23:14:46,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:46,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:46,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:46,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:46,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 23:14:46,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:46,943 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:46,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-11-22 23:14:46,943 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:46,945 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:46,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:47,085 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:14:47,085 INFO L272 AbstractInterpreter]: Visited 109 different actions 320 times. Merged at 6 different actions 15 times. Never widened. Performed 3785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 23:14:47,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:47,087 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:14:47,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:47,088 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:14:47,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:47,094 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:14:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:47,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:14:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 23:14:47,260 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:14:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 23:14:47,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:14:47,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 23:14:47,419 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:14:47,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:14:47,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:14:47,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:14:47,420 INFO L87 Difference]: Start difference. First operand 3194 states and 4281 transitions. Second operand 9 states. [2018-11-22 23:14:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:48,183 INFO L93 Difference]: Finished difference Result 7584 states and 10477 transitions. [2018-11-22 23:14:48,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:14:48,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2018-11-22 23:14:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:48,192 INFO L225 Difference]: With dead ends: 7584 [2018-11-22 23:14:48,192 INFO L226 Difference]: Without dead ends: 4396 [2018-11-22 23:14:48,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-22 23:14:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2018-11-22 23:14:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 4326. [2018-11-22 23:14:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4326 states. [2018-11-22 23:14:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 5740 transitions. [2018-11-22 23:14:48,249 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 5740 transitions. Word has length 167 [2018-11-22 23:14:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:48,250 INFO L480 AbstractCegarLoop]: Abstraction has 4326 states and 5740 transitions. [2018-11-22 23:14:48,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:14:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 5740 transitions. [2018-11-22 23:14:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-22 23:14:48,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:48,254 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-22 23:14:48,255 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:48,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash 22512364, now seen corresponding path program 1 times [2018-11-22 23:14:48,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:48,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:48,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:48,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:48,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 23:14:48,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:48,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:48,328 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-11-22 23:14:48,329 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:48,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:48,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:48,473 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:14:48,473 INFO L272 AbstractInterpreter]: Visited 113 different actions 328 times. Merged at 7 different actions 17 times. Never widened. Performed 3983 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3983 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 23:14:48,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:48,480 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:14:48,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:48,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:14:48,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:48,494 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:14:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:48,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:14:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-22 23:14:48,569 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:14:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-22 23:14:48,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:14:48,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-11-22 23:14:48,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:14:48,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:14:48,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:14:48,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:14:48,633 INFO L87 Difference]: Start difference. First operand 4326 states and 5740 transitions. Second operand 3 states. [2018-11-22 23:14:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:48,972 INFO L93 Difference]: Finished difference Result 9905 states and 13314 transitions. [2018-11-22 23:14:48,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:14:48,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-11-22 23:14:48,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:48,992 INFO L225 Difference]: With dead ends: 9905 [2018-11-22 23:14:48,992 INFO L226 Difference]: Without dead ends: 5585 [2018-11-22 23:14:49,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:14:49,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2018-11-22 23:14:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5565. [2018-11-22 23:14:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5565 states. [2018-11-22 23:14:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5565 states and 7013 transitions. [2018-11-22 23:14:49,095 INFO L78 Accepts]: Start accepts. Automaton has 5565 states and 7013 transitions. Word has length 179 [2018-11-22 23:14:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:49,095 INFO L480 AbstractCegarLoop]: Abstraction has 5565 states and 7013 transitions. [2018-11-22 23:14:49,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:14:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 7013 transitions. [2018-11-22 23:14:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-22 23:14:49,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:14:49,104 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-22 23:14:49,104 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:14:49,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:49,104 INFO L82 PathProgramCache]: Analyzing trace with hash -320543301, now seen corresponding path program 1 times [2018-11-22 23:14:49,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:14:49,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:49,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:49,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:14:49,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:14:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 101 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 23:14:49,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:49,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:14:49,240 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-11-22 23:14:49,240 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 23:14:49,243 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:14:49,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:14:49,387 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:14:49,387 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 8 different actions 19 times. Never widened. Performed 3984 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 23:14:49,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:49,388 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:14:49,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:14:49,388 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:14:49,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:14:49,394 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:14:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:49,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:14:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 23:14:49,510 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:14:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 115 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 23:14:49,632 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:14:49,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-22 23:14:49,633 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:14:49,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:14:49,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:14:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:14:49,633 INFO L87 Difference]: Start difference. First operand 5565 states and 7013 transitions. Second operand 15 states. [2018-11-22 23:14:50,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:14:50,892 INFO L93 Difference]: Finished difference Result 11052 states and 13728 transitions. [2018-11-22 23:14:50,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 23:14:50,893 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 188 [2018-11-22 23:14:50,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:14:50,893 INFO L225 Difference]: With dead ends: 11052 [2018-11-22 23:14:50,893 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:14:50,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 386 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-22 23:14:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:14:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:14:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:14:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:14:50,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-11-22 23:14:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:14:50,913 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:14:50,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:14:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:14:50,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:14:50,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:14:50,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:50,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:50,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:14:51,523 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2018-11-22 23:14:51,681 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2018-11-22 23:14:51,836 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-22 23:14:51,838 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-22 23:14:51,839 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-22 23:14:51,840 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,841 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-22 23:14:51,842 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-22 23:14:51,843 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-22 23:14:51,844 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-22 23:14:51,845 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= 1 |old(~a19~0)|)) (.cse8 (= 8 |old(~a28~0)|))) (let ((.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse2 (not (= |old(~a17~0)| 8))) (.cse9 (and (not (= 7 |old(~a28~0)|)) (not .cse8))) (.cse13 (= 0 |old(~a28~0)|)) (.cse11 (not (= 1 ~a21~0))) (.cse18 (= 1 |old(~a25~0)|)) (.cse12 (not .cse1)) (.cse16 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse15 (= |calculate_output_#in~input| 0)) (.cse17 (= ~a11~0 0)) (.cse0 (< 10 |old(~a28~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse7 (= 7 ~a17~0)) (.cse5 (= |old(~a25~0)| ~a25~0)) (.cse6 (not (= 1 ~a19~0))) (.cse10 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6)) (or (and .cse7 .cse5 (= ~a28~0 7)) .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse15 (and .cse3 (= ~a17~0 8) .cse5 (= ~a19~0 1))) (or (and .cse3 .cse4 .cse5) .cse2 .cse9) (or .cse0 .cse11 .cse12 .cse13 .cse16 .cse14 .cse15 .cse17) (or .cse0 .cse8 (and .cse3 .cse7 .cse5) .cse18 .cse10) (or (or .cse11 (not (= 11 |old(~a28~0)|)) (not .cse18)) .cse12 .cse16 .cse14 .cse15 .cse17) (or .cse0 .cse1 .cse8 (and .cse3 .cse7 .cse5 .cse6) .cse10)))) [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-22 23:14:51,846 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-22 23:14:51,847 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-22 23:14:51,848 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-22 23:14:51,849 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-22 23:14:51,849 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 8))) (.cse0 (= 7 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (and (not (= ~a25~0 1)) .cse0 .cse2 .cse1) (and (= ~a28~0 7) .cse0) (not (= 1 |old(~a19~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= ~a28~0 8))) (let ((.cse4 (or .cse6 (= ~a28~0 7))) (.cse0 (= 7 ~a17~0)) (.cse2 (not .cse6)) (.cse5 (= |old(~a17~0)| ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and (not (= ~a25~0 1)) .cse0 .cse2 .cse1) (and .cse4 .cse0 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-22 23:14:51,849 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-22 23:14:51,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:14:51 BoogieIcfgContainer [2018-11-22 23:14:51,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:14:51,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:14:51,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:14:51,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:14:51,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:35" (3/4) ... [2018-11-22 23:14:51,866 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:14:51,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:14:51,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:14:51,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:14:51,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:14:51,891 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:14:51,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || (((7 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || !(7 == \old(a28))) || !(0 == \old(a25)) [2018-11-22 23:14:51,971 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29e5622d-e1d4-46fc-8e96-856572ad523f/bin-2019/utaipan/witness.graphml [2018-11-22 23:14:51,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:14:51,973 INFO L168 Benchmark]: Toolchain (without parser) took 18098.65 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 774.4 MB). Free memory was 956.6 MB in the beginning and 811.5 MB in the end (delta: 145.1 MB). Peak memory consumption was 919.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,973 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:14:51,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.34 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 927.0 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,974 INFO L168 Benchmark]: Boogie Preprocessor took 51.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,974 INFO L168 Benchmark]: RCFGBuilder took 822.12 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: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,974 INFO L168 Benchmark]: TraceAbstraction took 16655.50 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 645.9 MB). Free memory was 1.0 GB in the beginning and 828.6 MB in the end (delta: 188.8 MB). Peak memory consumption was 834.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,975 INFO L168 Benchmark]: Witness Printer took 108.55 ms. Allocated memory is still 1.8 GB. Free memory was 828.6 MB in the beginning and 811.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:51,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.34 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 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 72.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 927.0 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.12 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: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16655.50 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 645.9 MB). Free memory was 1.0 GB in the beginning and 828.6 MB in the end (delta: 188.8 MB). Peak memory consumption was 834.7 MB. Max. memory is 11.5 GB. * Witness Printer took 108.55 ms. Allocated memory is still 1.8 GB. Free memory was 828.6 MB in the beginning and 811.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || (((7 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || !(7 == \old(a28))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 16.5s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 11.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1710 SDtfs, 7131 SDslu, 1519 SDs, 0 SdLazy, 8439 SolverSat, 2074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1570 GetRequests, 1468 SyntacticMatches, 8 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5565occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9966164854806316 AbsIntWeakeningRatio, 0.26732673267326734 AbsIntAvgWeakeningVarsNumRemoved, 25.507425742574256 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 157 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 145 PreInvPairs, 209 NumberOfFragments, 488 HoareAnnotationTreeSize, 145 FomulaSimplifications, 3524 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2495 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1825 NumberOfCodeBlocks, 1825 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2344 ConstructedInterpolants, 0 QuantifiedInterpolants, 678780 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1525 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1232/1381 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...