./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:53:33,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:53:33,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:53:33,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:53:33,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:53:33,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:53:33,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:53:33,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:53:33,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:53:33,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:53:33,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:53:33,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:53:33,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:53:33,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:53:33,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:53:33,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:53:33,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:53:33,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:53:33,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:53:33,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:53:33,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:53:33,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:53:33,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:53:33,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:53:33,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:53:33,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:53:33,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:53:33,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:53:33,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:53:33,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:53:33,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:53:33,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:53:33,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:53:33,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:53:33,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:53:33,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:53:33,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 14:53:33,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:53:33,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:53:33,181 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:53:33,181 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:53:33,181 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:53:33,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:53:33,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:53:33,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:53:33,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:53:33,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:53:33,184 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 14:53:33,184 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_a10d7727-100a-4df2-9091-137c5d9ff948/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-12-09 14:53:33,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:53:33,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:53:33,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:53:33,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:53:33,215 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:53:33,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-12-09 14:53:33,251 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/data/f51d8dd4f/ff49f060e1dd495786cdf03fc79aaf99/FLAGe1539fd2e [2018-12-09 14:53:33,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:53:33,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-12-09 14:53:33,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/data/f51d8dd4f/ff49f060e1dd495786cdf03fc79aaf99/FLAGe1539fd2e [2018-12-09 14:53:33,760 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/data/f51d8dd4f/ff49f060e1dd495786cdf03fc79aaf99 [2018-12-09 14:53:33,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:53:33,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:53:33,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:53:33,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:53:33,765 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:53:33,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:53:33" (1/1) ... [2018-12-09 14:53:33,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:33, skipping insertion in model container [2018-12-09 14:53:33,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:53:33" (1/1) ... [2018-12-09 14:53:33,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:53:33,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:53:33,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:53:33,968 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:53:34,053 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:53:34,062 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:53:34,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34 WrapperNode [2018-12-09 14:53:34,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:53:34,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:53:34,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:53:34,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:53:34,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:53:34,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:53:34,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:53:34,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:53:34,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... [2018-12-09 14:53:34,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:53:34,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:53:34,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:53:34,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:53:34,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:53:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:53:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:53:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 14:53:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 14:53:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:53:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:53:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:53:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:53:34,743 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:53:34,743 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 14:53:34,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:53:34 BoogieIcfgContainer [2018-12-09 14:53:34,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:53:34,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:53:34,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:53:34,747 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:53:34,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:53:33" (1/3) ... [2018-12-09 14:53:34,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:53:34, skipping insertion in model container [2018-12-09 14:53:34,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:53:34" (2/3) ... [2018-12-09 14:53:34,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:53:34, skipping insertion in model container [2018-12-09 14:53:34,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:53:34" (3/3) ... [2018-12-09 14:53:34,750 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-12-09 14:53:34,758 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:53:34,766 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:53:34,780 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:53:34,808 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:53:34,808 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:53:34,808 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:53:34,808 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:53:34,808 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:53:34,809 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:53:34,809 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:53:34,809 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:53:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 14:53:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 14:53:34,836 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:34,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:34,838 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:34,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:34,843 INFO L82 PathProgramCache]: Analyzing trace with hash -152148385, now seen corresponding path program 1 times [2018-12-09 14:53:34,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:34,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:35,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:53:35,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 14:53:35,119 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:35,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 14:53:35,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 14:53:35,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 14:53:35,132 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-12-09 14:53:35,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:35,774 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-12-09 14:53:35,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 14:53:35,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-12-09 14:53:35,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:35,786 INFO L225 Difference]: With dead ends: 698 [2018-12-09 14:53:35,786 INFO L226 Difference]: Without dead ends: 413 [2018-12-09 14:53:35,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 14:53:35,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-09 14:53:35,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 278. [2018-12-09 14:53:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 14:53:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-09 14:53:35,835 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 131 [2018-12-09 14:53:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:35,836 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-09 14:53:35,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 14:53:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-09 14:53:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 14:53:35,839 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:35,839 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:35,840 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:35,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1159631208, now seen corresponding path program 1 times [2018-12-09 14:53:35,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:35,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:35,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:35,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:35,841 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:35,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:53:35,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:53:35,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:35,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:53:35,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:53:35,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:53:35,919 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 6 states. [2018-12-09 14:53:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:36,290 INFO L93 Difference]: Finished difference Result 703 states and 1045 transitions. [2018-12-09 14:53:36,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:53:36,290 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-09 14:53:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:36,292 INFO L225 Difference]: With dead ends: 703 [2018-12-09 14:53:36,293 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 14:53:36,293 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:53:36,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 14:53:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 417. [2018-12-09 14:53:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-12-09 14:53:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 597 transitions. [2018-12-09 14:53:36,308 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 597 transitions. Word has length 141 [2018-12-09 14:53:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:36,308 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 597 transitions. [2018-12-09 14:53:36,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:53:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 597 transitions. [2018-12-09 14:53:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 14:53:36,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:36,310 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:36,310 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:36,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:36,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1563736858, now seen corresponding path program 1 times [2018-12-09 14:53:36,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:36,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:36,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:36,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:36,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:36,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:53:36,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 14:53:36,491 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:36,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 14:53:36,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 14:53:36,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 14:53:36,492 INFO L87 Difference]: Start difference. First operand 417 states and 597 transitions. Second operand 5 states. [2018-12-09 14:53:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:36,838 INFO L93 Difference]: Finished difference Result 927 states and 1352 transitions. [2018-12-09 14:53:36,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 14:53:36,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-12-09 14:53:36,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:36,840 INFO L225 Difference]: With dead ends: 927 [2018-12-09 14:53:36,840 INFO L226 Difference]: Without dead ends: 415 [2018-12-09 14:53:36,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 14:53:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-12-09 14:53:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2018-12-09 14:53:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-09 14:53:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 545 transitions. [2018-12-09 14:53:36,852 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 545 transitions. Word has length 142 [2018-12-09 14:53:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:36,852 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 545 transitions. [2018-12-09 14:53:36,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 14:53:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 545 transitions. [2018-12-09 14:53:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 14:53:36,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:36,854 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:36,854 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:36,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash -77416850, now seen corresponding path program 1 times [2018-12-09 14:53:36,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:36,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:36,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:36,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:36,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:36,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:53:36,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 14:53:36,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:36,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:53:36,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:53:36,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:53:36,921 INFO L87 Difference]: Start difference. First operand 415 states and 545 transitions. Second operand 3 states. [2018-12-09 14:53:37,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:37,195 INFO L93 Difference]: Finished difference Result 1231 states and 1647 transitions. [2018-12-09 14:53:37,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:53:37,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-12-09 14:53:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:37,197 INFO L225 Difference]: With dead ends: 1231 [2018-12-09 14:53:37,198 INFO L226 Difference]: Without dead ends: 822 [2018-12-09 14:53:37,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:53:37,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-12-09 14:53:37,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 822. [2018-12-09 14:53:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2018-12-09 14:53:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1060 transitions. [2018-12-09 14:53:37,214 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1060 transitions. Word has length 146 [2018-12-09 14:53:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:37,214 INFO L480 AbstractCegarLoop]: Abstraction has 822 states and 1060 transitions. [2018-12-09 14:53:37,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:53:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1060 transitions. [2018-12-09 14:53:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 14:53:37,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:37,216 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:37,217 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:37,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1784447858, now seen corresponding path program 1 times [2018-12-09 14:53:37,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:37,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:37,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:37,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:37,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:37,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:53:37,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:53:37,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:37,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:53:37,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:53:37,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:53:37,277 INFO L87 Difference]: Start difference. First operand 822 states and 1060 transitions. Second operand 6 states. [2018-12-09 14:53:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:37,606 INFO L93 Difference]: Finished difference Result 2083 states and 2796 transitions. [2018-12-09 14:53:37,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:53:37,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-12-09 14:53:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:37,609 INFO L225 Difference]: With dead ends: 2083 [2018-12-09 14:53:37,610 INFO L226 Difference]: Without dead ends: 1267 [2018-12-09 14:53:37,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:53:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2018-12-09 14:53:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1112. [2018-12-09 14:53:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-12-09 14:53:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1401 transitions. [2018-12-09 14:53:37,632 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1401 transitions. Word has length 162 [2018-12-09 14:53:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:37,632 INFO L480 AbstractCegarLoop]: Abstraction has 1112 states and 1401 transitions. [2018-12-09 14:53:37,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:53:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1401 transitions. [2018-12-09 14:53:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 14:53:37,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:37,635 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:37,635 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:37,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:37,635 INFO L82 PathProgramCache]: Analyzing trace with hash 800655393, now seen corresponding path program 1 times [2018-12-09 14:53:37,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:37,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:37,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:37,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:37,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:53:37,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:37,683 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:37,684 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 14:53:37,685 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 14:53:37,711 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:53:37,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:53:37,954 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:53:37,955 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1714 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1714 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-12-09 14:53:37,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:37,960 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:53:38,185 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 80.59% of their original sizes. [2018-12-09 14:53:38,186 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:53:38,223 INFO L418 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-12-09 14:53:38,223 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:53:38,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:53:38,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 14:53:38,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:38,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:53:38,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:53:38,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:53:38,225 INFO L87 Difference]: Start difference. First operand 1112 states and 1401 transitions. Second operand 6 states. [2018-12-09 14:53:40,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:40,055 INFO L93 Difference]: Finished difference Result 2354 states and 2955 transitions. [2018-12-09 14:53:40,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:53:40,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-12-09 14:53:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:40,058 INFO L225 Difference]: With dead ends: 2354 [2018-12-09 14:53:40,058 INFO L226 Difference]: Without dead ends: 1248 [2018-12-09 14:53:40,059 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:53:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2018-12-09 14:53:40,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1247. [2018-12-09 14:53:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2018-12-09 14:53:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1542 transitions. [2018-12-09 14:53:40,078 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1542 transitions. Word has length 174 [2018-12-09 14:53:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:40,078 INFO L480 AbstractCegarLoop]: Abstraction has 1247 states and 1542 transitions. [2018-12-09 14:53:40,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:53:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1542 transitions. [2018-12-09 14:53:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 14:53:40,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:40,081 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:40,081 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:40,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:40,081 INFO L82 PathProgramCache]: Analyzing trace with hash -505056324, now seen corresponding path program 1 times [2018-12-09 14:53:40,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:40,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:40,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:40,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:40,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 14:53:40,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:40,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:40,159 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-12-09 14:53:40,159 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 14:53:40,163 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:53:40,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:53:40,405 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:53:40,406 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3434 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3434 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 14:53:40,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:40,410 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:53:40,607 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 82.02% of their original sizes. [2018-12-09 14:53:40,608 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:53:40,651 INFO L418 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-12-09 14:53:40,651 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:53:40,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:53:40,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 14:53:40,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:40,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:53:40,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:53:40,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:53:40,652 INFO L87 Difference]: Start difference. First operand 1247 states and 1542 transitions. Second operand 10 states. [2018-12-09 14:53:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:43,080 INFO L93 Difference]: Finished difference Result 2492 states and 3113 transitions. [2018-12-09 14:53:43,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 14:53:43,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-12-09 14:53:43,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:43,084 INFO L225 Difference]: With dead ends: 2492 [2018-12-09 14:53:43,084 INFO L226 Difference]: Without dead ends: 1386 [2018-12-09 14:53:43,086 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 14:53:43,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2018-12-09 14:53:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1384. [2018-12-09 14:53:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2018-12-09 14:53:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1689 transitions. [2018-12-09 14:53:43,116 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1689 transitions. Word has length 182 [2018-12-09 14:53:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:43,116 INFO L480 AbstractCegarLoop]: Abstraction has 1384 states and 1689 transitions. [2018-12-09 14:53:43,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:53:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1689 transitions. [2018-12-09 14:53:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 14:53:43,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:43,119 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:43,119 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:43,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:43,119 INFO L82 PathProgramCache]: Analyzing trace with hash -543751618, now seen corresponding path program 1 times [2018-12-09 14:53:43,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:43,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:43,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:43,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:43,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 14:53:43,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:43,186 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:43,187 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-12-09 14:53:43,187 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 14:53:43,189 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:53:43,189 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:53:43,301 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:53:43,301 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3491 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 14:53:43,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:43,305 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:53:43,472 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 81.95% of their original sizes. [2018-12-09 14:53:43,472 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:53:43,514 INFO L418 sIntCurrentIteration]: We unified 214 AI predicates to 214 [2018-12-09 14:53:43,514 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:53:43,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:53:43,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 14:53:43,515 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:43,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:53:43,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:53:43,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:53:43,515 INFO L87 Difference]: Start difference. First operand 1384 states and 1689 transitions. Second operand 10 states. [2018-12-09 14:53:46,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:46,047 INFO L93 Difference]: Finished difference Result 2766 states and 3403 transitions. [2018-12-09 14:53:46,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 14:53:46,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 215 [2018-12-09 14:53:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:46,051 INFO L225 Difference]: With dead ends: 2766 [2018-12-09 14:53:46,051 INFO L226 Difference]: Without dead ends: 1660 [2018-12-09 14:53:46,054 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 14:53:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-12-09 14:53:46,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1658. [2018-12-09 14:53:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-09 14:53:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1984 transitions. [2018-12-09 14:53:46,076 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1984 transitions. Word has length 215 [2018-12-09 14:53:46,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:46,076 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 1984 transitions. [2018-12-09 14:53:46,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:53:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1984 transitions. [2018-12-09 14:53:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 14:53:46,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:46,079 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:46,079 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:46,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:46,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1449533699, now seen corresponding path program 1 times [2018-12-09 14:53:46,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:46,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:46,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:46,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:46,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 14:53:46,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:46,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:46,156 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 14:53:46,156 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 14:53:46,158 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:53:46,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:53:46,403 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:53:46,403 INFO L272 AbstractInterpreter]: Visited 137 different actions 546 times. Merged at 7 different actions 28 times. Never widened. Performed 7366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 14:53:46,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:46,405 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:53:46,605 INFO L227 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 83.64% of their original sizes. [2018-12-09 14:53:46,605 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:53:46,690 INFO L418 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2018-12-09 14:53:46,690 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:53:46,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:53:46,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-09 14:53:46,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:46,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:53:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:53:46,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:53:46,691 INFO L87 Difference]: Start difference. First operand 1658 states and 1984 transitions. Second operand 10 states. [2018-12-09 14:53:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:48,923 INFO L93 Difference]: Finished difference Result 4019 states and 4972 transitions. [2018-12-09 14:53:48,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 14:53:48,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2018-12-09 14:53:48,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:48,930 INFO L225 Difference]: With dead ends: 4019 [2018-12-09 14:53:48,930 INFO L226 Difference]: Without dead ends: 2913 [2018-12-09 14:53:48,933 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-12-09 14:53:48,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2018-12-09 14:53:48,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2351. [2018-12-09 14:53:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2351 states. [2018-12-09 14:53:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 2834 transitions. [2018-12-09 14:53:48,983 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 2834 transitions. Word has length 223 [2018-12-09 14:53:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:48,983 INFO L480 AbstractCegarLoop]: Abstraction has 2351 states and 2834 transitions. [2018-12-09 14:53:48,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:53:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2834 transitions. [2018-12-09 14:53:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 14:53:48,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:48,986 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:48,987 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:48,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:48,987 INFO L82 PathProgramCache]: Analyzing trace with hash -621048195, now seen corresponding path program 1 times [2018-12-09 14:53:48,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:48,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:48,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:48,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:48,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 14:53:49,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:49,076 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:49,076 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-12-09 14:53:49,076 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 14:53:49,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:53:49,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:53:49,336 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:53:49,336 INFO L272 AbstractInterpreter]: Visited 138 different actions 552 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 7624 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7624 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 14:53:49,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:49,342 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:53:49,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:49,342 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:53:49,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:49,349 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:53:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:49,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:53:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 14:53:49,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:53:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 44 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 14:53:49,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:53:49,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 14:53:49,563 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:53:49,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 14:53:49,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 14:53:49,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:53:49,564 INFO L87 Difference]: Start difference. First operand 2351 states and 2834 transitions. Second operand 11 states. [2018-12-09 14:53:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:50,389 INFO L93 Difference]: Finished difference Result 5161 states and 6292 transitions. [2018-12-09 14:53:50,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 14:53:50,389 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2018-12-09 14:53:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:50,395 INFO L225 Difference]: With dead ends: 5161 [2018-12-09 14:53:50,395 INFO L226 Difference]: Without dead ends: 3227 [2018-12-09 14:53:50,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 453 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-09 14:53:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2018-12-09 14:53:50,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 2800. [2018-12-09 14:53:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2800 states. [2018-12-09 14:53:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 3305 transitions. [2018-12-09 14:53:50,445 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 3305 transitions. Word has length 226 [2018-12-09 14:53:50,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:50,445 INFO L480 AbstractCegarLoop]: Abstraction has 2800 states and 3305 transitions. [2018-12-09 14:53:50,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 14:53:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3305 transitions. [2018-12-09 14:53:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 14:53:50,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:53:50,450 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:53:50,450 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:53:50,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:53:50,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1599641319, now seen corresponding path program 2 times [2018-12-09 14:53:50,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:53:50,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:50,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:53:50,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:53:50,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:53:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:53:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 14:53:50,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:50,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:53:50,580 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 14:53:50,580 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 14:53:50,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:53:50,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:53:50,588 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 14:53:50,588 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 14:53:50,632 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 14:53:50,632 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 14:53:50,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:53:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 14:53:50,680 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:53:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 14:53:50,746 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:53:50,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-09 14:53:50,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:53:50,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:53:50,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:53:50,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:53:50,747 INFO L87 Difference]: Start difference. First operand 2800 states and 3305 transitions. Second operand 3 states. [2018-12-09 14:53:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:53:51,024 INFO L93 Difference]: Finished difference Result 6690 states and 8053 transitions. [2018-12-09 14:53:51,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:53:51,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2018-12-09 14:53:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:53:51,024 INFO L225 Difference]: With dead ends: 6690 [2018-12-09 14:53:51,024 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:53:51,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:53:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:53:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:53:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:53:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:53:51,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-12-09 14:53:51,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:53:51,032 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:53:51,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:53:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:53:51,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:53:51,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:53:51,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:53:51,917 WARN L180 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 107 [2018-12-09 14:53:52,048 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2018-12-09 14:53:52,220 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:53:52,222 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,222 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,223 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 14:53:52,224 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 14:53:52,225 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 14:53:52,226 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 14:53:52,227 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 14:53:52,228 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 14:53:52,229 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 14:53:52,230 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse26 (= 1 |old(~a17~0)|)) (.cse14 (= 1 ~a17~0))) (let ((.cse22 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse25 (or (not (= ~a7~0 ~a17~0)) (not .cse14))) (.cse13 (not (= 1 |old(~a20~0)|))) (.cse15 (and (= |old(~a7~0)| |old(~a17~0)|) .cse26)) (.cse3 (not (= 8 ~a12~0)))) (let ((.cse8 (= 13 |old(~a8~0)|)) (.cse17 (or .cse13 .cse15 .cse3)) (.cse16 (and .cse22 .cse23 .cse24 .cse25)) (.cse9 (= 0 |old(~a16~0)|)) (.cse11 (= 0 |old(~a8~0)|)) (.cse5 (= ~a7~0 0)) (.cse7 (= ~a21~0 1)) (.cse19 (and .cse22 .cse23 .cse24)) (.cse10 (= |calculate_output_#in~input| 0)) (.cse6 (= ~a17~0 1)) (.cse18 (not (= 5 |old(~a16~0)|))) (.cse4 (not .cse26)) (.cse21 (= 6 |old(~a16~0)|)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse2 (not (= 15 |old(~a8~0)|))) (.cse20 (< 4 |old(~a16~0)|)) (.cse12 (< 0 |old(~a20~0)|))) (and (or (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4)) (or (and .cse5 .cse6 .cse7) (and .cse5 (= ~a8~0 15) .cse7)) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 .cse13 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a21~0) .cse14) .cse3 (not (= 1 |old(~a7~0)|)) (not .cse8) .cse4) (or .cse8 .cse15 .cse3 .cse16 .cse12) (or (and .cse5 .cse7) (or .cse0 .cse1 .cse17 .cse9 .cse10 .cse11)) (or .cse17 .cse16) (or .cse6 .cse10 (or .cse0 .cse1 .cse2 (not (= 0 |old(~a20~0)|)) .cse18 .cse3 .cse4)) (or .cse19 .cse20 .cse3 .cse12) (or (or .cse21 .cse0 .cse1 .cse9 .cse3 .cse10 .cse11) (and .cse5 .cse22 .cse23 .cse24 .cse7) .cse12) (or .cse21 .cse13 .cse19 .cse3) (or .cse10 (or (and .cse6 (= ~a16~0 5)) (and (= ~a17~0 0) (= ~a16~0 6))) (and (or .cse0 .cse1 .cse13 .cse2 .cse18 .cse3 .cse4) (or (not .cse21) .cse0 .cse1 .cse13 .cse2 (not (= 0 |old(~a17~0)|)) .cse3))) (or .cse20 .cse25 .cse15 .cse3 .cse12))))) [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,231 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,232 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 14:53:52,233 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 14:53:52,234 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 14:53:52,235 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (= ~a7~0 0) (not (= main_~input~0 0)) .cse0 (= ~a21~0 1) .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (and .cse2 (not (= ~a8~0 13)) .cse1) (and .cse1 (<= ~a16~0 4)) (and (= 1 ~a20~0) .cse2) (and (= |old(~a20~0)| ~a20~0) .cse0) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 14:53:52,235 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and (and (= ~a7~0 0) (not (= main_~input~0 0)) .cse0 (= ~a21~0 1)) .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (and .cse2 (not (= ~a8~0 13)) .cse1) (and .cse1 (<= ~a16~0 4)) (and (= 1 ~a20~0) .cse2) (and (= |old(~a20~0)| ~a20~0) .cse0) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-09 14:53:52,235 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 14:53:52,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:53:52 BoogieIcfgContainer [2018-12-09 14:53:52,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:53:52,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:53:52,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:53:52,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:53:52,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:53:34" (3/4) ... [2018-12-09 14:53:52,251 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:53:52,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:53:52,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 14:53:52,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:53:52,263 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 14:53:52,264 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 14:53:52,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == \old(a21)) || ((((a7 == 0 && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || (\old(a20) == a20 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-12-09 14:53:52,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a10d7727-100a-4df2-9091-137c5d9ff948/bin-2019/utaipan/witness.graphml [2018-12-09 14:53:52,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:53:52,326 INFO L168 Benchmark]: Toolchain (without parser) took 18564.08 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 908.5 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,327 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:53:52,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:53:52,327 INFO L168 Benchmark]: Boogie Preprocessor took 39.85 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,327 INFO L168 Benchmark]: RCFGBuilder took 620.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,328 INFO L168 Benchmark]: TraceAbstraction took 17503.38 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 967.8 MB). Free memory was 999.2 MB in the beginning and 1.2 GB in the end (delta: -164.1 MB). Peak memory consumption was 803.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,328 INFO L168 Benchmark]: Witness Printer took 77.34 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:53:52,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.85 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 620.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17503.38 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 967.8 MB). Free memory was 999.2 MB in the beginning and 1.2 GB in the end (delta: -164.1 MB). Peak memory consumption was 803.7 MB. Max. memory is 11.5 GB. * Witness Printer took 77.34 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a21)) || ((((a7 == 0 && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || (\old(a20) == a20 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 17.4s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 582 SDtfs, 5087 SDslu, 494 SDs, 0 SdLazy, 6729 SolverSat, 1063 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1790 GetRequests, 1679 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2800occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9972455615627249 AbsIntWeakeningRatio, 0.20759493670886076 AbsIntAvgWeakeningVarsNumRemoved, 28.935443037974682 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1298 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 116 PreInvPairs, 178 NumberOfFragments, 729 HoareAnnotationTreeSize, 116 FomulaSimplifications, 13151 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7965 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2420 NumberOfCodeBlocks, 2356 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2857 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520931 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1257/1471 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...