./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.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_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/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 4b014586a871c87a7a88fd7c414a377b88100eac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:20:35,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:20:35,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:20:35,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:20:35,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:20:35,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:20:35,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:20:35,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:20:35,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:20:35,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:20:35,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:20:35,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:20:35,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:20:35,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:20:35,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:20:35,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:20:35,160 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:20:35,161 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:20:35,162 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:20:35,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:20:35,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:20:35,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:20:35,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:20:35,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:20:35,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:20:35,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:20:35,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:20:35,166 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:20:35,167 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:20:35,167 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:20:35,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:20:35,168 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:20:35,168 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:20:35,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:20:35,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:20:35,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:20:35,169 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:20:35,176 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:20:35,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:20:35,177 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:20:35,177 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:20:35,177 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:20:35,177 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:20:35,178 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:20:35,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:20:35,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:20:35,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:20:35,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:20:35,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:20:35,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:20:35,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:20:35,180 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:20:35,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:20:35,181 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:20:35,182 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_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/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 -> 4b014586a871c87a7a88fd7c414a377b88100eac [2018-12-09 19:20:35,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:20:35,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:20:35,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:20:35,208 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:20:35,208 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:20:35,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-12-09 19:20:35,244 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/data/c79fb63fb/b79d0471f9364a62a43e2f96e160e5da/FLAG6d713b066 [2018-12-09 19:20:35,765 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:20:35,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-12-09 19:20:35,775 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/data/c79fb63fb/b79d0471f9364a62a43e2f96e160e5da/FLAG6d713b066 [2018-12-09 19:20:36,227 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/data/c79fb63fb/b79d0471f9364a62a43e2f96e160e5da [2018-12-09 19:20:36,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:20:36,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:20:36,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:20:36,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:20:36,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:20:36,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b4367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36, skipping insertion in model container [2018-12-09 19:20:36,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:20:36,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:20:36,582 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:20:36,586 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:20:36,762 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:20:36,772 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:20:36,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36 WrapperNode [2018-12-09 19:20:36,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:20:36,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:20:36,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:20:36,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:20:36,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:20:36,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:20:36,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:20:36,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:20:36,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... [2018-12-09 19:20:36,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:20:36,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:20:36,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:20:36,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:20:36,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/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 19:20:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:20:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:20:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:20:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:20:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:20:36,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:20:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:20:36,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:20:37,966 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:20:37,967 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:20:37,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:20:37 BoogieIcfgContainer [2018-12-09 19:20:37,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:20:37,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:20:37,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:20:37,971 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:20:37,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:20:36" (1/3) ... [2018-12-09 19:20:37,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2db1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:20:37, skipping insertion in model container [2018-12-09 19:20:37,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:20:36" (2/3) ... [2018-12-09 19:20:37,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2db1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:20:37, skipping insertion in model container [2018-12-09 19:20:37,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:20:37" (3/3) ... [2018-12-09 19:20:37,973 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-12-09 19:20:37,982 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:20:37,988 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:20:38,000 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:20:38,020 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:20:38,020 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:20:38,021 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:20:38,021 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:20:38,021 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:20:38,021 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:20:38,021 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:20:38,021 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:20:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-12-09 19:20:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 19:20:38,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:38,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:38,047 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:38,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:38,050 INFO L82 PathProgramCache]: Analyzing trace with hash -938098264, now seen corresponding path program 1 times [2018-12-09 19:20:38,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:38,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:38,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:38,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:38,079 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:38,370 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 19:20:38,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:20:38,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:20:38,372 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:38,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:38,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:38,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:20:38,385 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-12-09 19:20:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:39,056 INFO L93 Difference]: Finished difference Result 842 states and 1484 transitions. [2018-12-09 19:20:39,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:39,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-12-09 19:20:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:39,065 INFO L225 Difference]: With dead ends: 842 [2018-12-09 19:20:39,065 INFO L226 Difference]: Without dead ends: 469 [2018-12-09 19:20:39,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:20:39,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-12-09 19:20:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2018-12-09 19:20:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-09 19:20:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 718 transitions. [2018-12-09 19:20:39,113 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 718 transitions. Word has length 185 [2018-12-09 19:20:39,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:39,114 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 718 transitions. [2018-12-09 19:20:39,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 718 transitions. [2018-12-09 19:20:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:20:39,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:39,119 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:39,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:39,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:39,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1105348843, now seen corresponding path program 1 times [2018-12-09 19:20:39,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:39,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:39,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:39,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:39,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:39,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:20:39,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:20:39,255 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:39,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:20:39,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:20:39,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:20:39,257 INFO L87 Difference]: Start difference. First operand 468 states and 718 transitions. Second operand 6 states. [2018-12-09 19:20:40,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:40,065 INFO L93 Difference]: Finished difference Result 1409 states and 2231 transitions. [2018-12-09 19:20:40,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:20:40,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-12-09 19:20:40,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:40,072 INFO L225 Difference]: With dead ends: 1409 [2018-12-09 19:20:40,072 INFO L226 Difference]: Without dead ends: 947 [2018-12-09 19:20:40,073 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 19:20:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2018-12-09 19:20:40,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 910. [2018-12-09 19:20:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-12-09 19:20:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1387 transitions. [2018-12-09 19:20:40,098 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1387 transitions. Word has length 194 [2018-12-09 19:20:40,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:40,098 INFO L480 AbstractCegarLoop]: Abstraction has 910 states and 1387 transitions. [2018-12-09 19:20:40,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:20:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1387 transitions. [2018-12-09 19:20:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 19:20:40,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:40,101 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:40,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:40,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:40,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1728889276, now seen corresponding path program 1 times [2018-12-09 19:20:40,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:40,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:40,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:40,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:40,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:40,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:20:40,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:20:40,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:40,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:40,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:40,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:20:40,208 INFO L87 Difference]: Start difference. First operand 910 states and 1387 transitions. Second operand 3 states. [2018-12-09 19:20:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:40,753 INFO L93 Difference]: Finished difference Result 2674 states and 4169 transitions. [2018-12-09 19:20:40,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:40,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-12-09 19:20:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:40,758 INFO L225 Difference]: With dead ends: 2674 [2018-12-09 19:20:40,758 INFO L226 Difference]: Without dead ends: 1770 [2018-12-09 19:20:40,760 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 19:20:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2018-12-09 19:20:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1748. [2018-12-09 19:20:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1748 states. [2018-12-09 19:20:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2648 transitions. [2018-12-09 19:20:40,786 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2648 transitions. Word has length 197 [2018-12-09 19:20:40,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:40,787 INFO L480 AbstractCegarLoop]: Abstraction has 1748 states and 2648 transitions. [2018-12-09 19:20:40,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2648 transitions. [2018-12-09 19:20:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 19:20:40,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:40,790 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:40,790 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:40,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash -609833497, now seen corresponding path program 1 times [2018-12-09 19:20:40,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:40,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:40,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:40,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:40,791 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:40,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:40,872 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:40,873 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-09 19:20:40,874 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:40,907 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:40,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:41,378 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:20:41,379 INFO L272 AbstractInterpreter]: Visited 186 different actions 186 times. Never merged. Never widened. Performed 4106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-12-09 19:20:41,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:41,391 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:20:41,906 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.2% of their original sizes. [2018-12-09 19:20:41,906 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:20:42,012 INFO L418 sIntCurrentIteration]: We unified 213 AI predicates to 213 [2018-12-09 19:20:42,012 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:20:42,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:42,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-09 19:20:42,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:42,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 19:20:42,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 19:20:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:20:42,014 INFO L87 Difference]: Start difference. First operand 1748 states and 2648 transitions. Second operand 13 states. [2018-12-09 19:20:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:52,225 INFO L93 Difference]: Finished difference Result 3698 states and 5593 transitions. [2018-12-09 19:20:52,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:20:52,225 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2018-12-09 19:20:52,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:52,229 INFO L225 Difference]: With dead ends: 3698 [2018-12-09 19:20:52,229 INFO L226 Difference]: Without dead ends: 1956 [2018-12-09 19:20:52,231 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:20:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2018-12-09 19:20:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1955. [2018-12-09 19:20:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2018-12-09 19:20:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2865 transitions. [2018-12-09 19:20:52,257 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2865 transitions. Word has length 214 [2018-12-09 19:20:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:52,257 INFO L480 AbstractCegarLoop]: Abstraction has 1955 states and 2865 transitions. [2018-12-09 19:20:52,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 19:20:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2865 transitions. [2018-12-09 19:20:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 19:20:52,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:52,260 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:52,261 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:52,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:52,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1070158400, now seen corresponding path program 1 times [2018-12-09 19:20:52,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:52,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:52,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:52,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:52,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:52,336 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 19:20:52,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:52,337 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:52,337 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 19:20:52,337 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:52,341 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:52,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:52,825 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:20:52,825 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8570 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8570 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:20:52,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:52,828 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:20:52,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:52,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/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 19:20:52,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:52,835 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:20:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:52,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:20:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:20:53,023 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:20:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:20:53,173 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:53,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:20:53,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:53,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:53,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:53,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:53,174 INFO L87 Difference]: Start difference. First operand 1955 states and 2865 transitions. Second operand 3 states. [2018-12-09 19:20:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:53,722 INFO L93 Difference]: Finished difference Result 5383 states and 8281 transitions. [2018-12-09 19:20:53,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:53,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2018-12-09 19:20:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:53,730 INFO L225 Difference]: With dead ends: 5383 [2018-12-09 19:20:53,730 INFO L226 Difference]: Without dead ends: 3641 [2018-12-09 19:20:53,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 444 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2018-12-09 19:20:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 3636. [2018-12-09 19:20:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3636 states. [2018-12-09 19:20:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 5283 transitions. [2018-12-09 19:20:53,782 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 5283 transitions. Word has length 223 [2018-12-09 19:20:53,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:53,782 INFO L480 AbstractCegarLoop]: Abstraction has 3636 states and 5283 transitions. [2018-12-09 19:20:53,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 5283 transitions. [2018-12-09 19:20:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 19:20:53,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:53,788 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:53,788 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:53,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:53,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1094635283, now seen corresponding path program 1 times [2018-12-09 19:20:53,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:53,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:53,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:53,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:53,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:53,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:53,865 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:53,865 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-12-09 19:20:53,866 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:53,869 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:53,869 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:54,290 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:20:54,291 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8572 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8572 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:20:54,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:54,292 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:20:54,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:54,292 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/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 19:20:54,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:54,298 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:20:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:54,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:20:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:20:54,421 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:20:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:20:54,476 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:54,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:20:54,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:54,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:54,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:54,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:54,477 INFO L87 Difference]: Start difference. First operand 3636 states and 5283 transitions. Second operand 3 states. [2018-12-09 19:20:54,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:54,974 INFO L93 Difference]: Finished difference Result 10216 states and 15415 transitions. [2018-12-09 19:20:54,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:54,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2018-12-09 19:20:54,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:54,988 INFO L225 Difference]: With dead ends: 10216 [2018-12-09 19:20:54,988 INFO L226 Difference]: Without dead ends: 6793 [2018-12-09 19:20:54,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2018-12-09 19:20:55,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 6768. [2018-12-09 19:20:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2018-12-09 19:20:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 10102 transitions. [2018-12-09 19:20:55,088 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 10102 transitions. Word has length 230 [2018-12-09 19:20:55,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:55,089 INFO L480 AbstractCegarLoop]: Abstraction has 6768 states and 10102 transitions. [2018-12-09 19:20:55,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 10102 transitions. [2018-12-09 19:20:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-09 19:20:55,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:55,099 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:55,099 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:55,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:55,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1514283214, now seen corresponding path program 1 times [2018-12-09 19:20:55,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:55,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:55,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:55,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:55,100 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:55,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:55,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:55,179 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-09 19:20:55,179 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:55,183 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:55,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:55,629 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:20:55,629 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8578 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8578 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:20:55,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:55,630 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:20:55,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:55,631 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:20:55,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:55,636 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:20:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:55,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:20:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:20:55,759 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:20:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:20:55,824 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:55,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 19:20:55,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:55,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:55,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:55,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:55,825 INFO L87 Difference]: Start difference. First operand 6768 states and 10102 transitions. Second operand 3 states. [2018-12-09 19:20:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:56,392 INFO L93 Difference]: Finished difference Result 18945 states and 29084 transitions. [2018-12-09 19:20:56,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:56,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-12-09 19:20:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:56,422 INFO L225 Difference]: With dead ends: 18945 [2018-12-09 19:20:56,422 INFO L226 Difference]: Without dead ends: 12390 [2018-12-09 19:20:56,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 496 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:20:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12390 states. [2018-12-09 19:20:56,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12390 to 12387. [2018-12-09 19:20:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12387 states. [2018-12-09 19:20:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12387 states to 12387 states and 17143 transitions. [2018-12-09 19:20:56,587 INFO L78 Accepts]: Start accepts. Automaton has 12387 states and 17143 transitions. Word has length 249 [2018-12-09 19:20:56,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:56,587 INFO L480 AbstractCegarLoop]: Abstraction has 12387 states and 17143 transitions. [2018-12-09 19:20:56,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12387 states and 17143 transitions. [2018-12-09 19:20:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-09 19:20:56,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:56,603 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:20:56,603 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:56,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:56,604 INFO L82 PathProgramCache]: Analyzing trace with hash -285723558, now seen corresponding path program 1 times [2018-12-09 19:20:56,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:56,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:56,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:56,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:56,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:56,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:56,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:56,798 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-12-09 19:20:56,798 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:56,801 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:56,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:57,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:20:57,170 INFO L272 AbstractInterpreter]: Visited 189 different actions 371 times. Merged at 4 different actions 4 times. Never widened. Performed 8329 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8329 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:20:57,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:57,175 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:20:57,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:57,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:20:57,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:57,180 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:20:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:57,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:20:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:57,376 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:20:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:20:57,453 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:57,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-09 19:20:57,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:57,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:20:57,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:20:57,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:20:57,454 INFO L87 Difference]: Start difference. First operand 12387 states and 17143 transitions. Second operand 3 states. [2018-12-09 19:20:57,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:20:57,995 INFO L93 Difference]: Finished difference Result 30185 states and 43415 transitions. [2018-12-09 19:20:57,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:20:57,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2018-12-09 19:20:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:20:58,037 INFO L225 Difference]: With dead ends: 30185 [2018-12-09 19:20:58,037 INFO L226 Difference]: Without dead ends: 18011 [2018-12-09 19:20:58,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 569 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:20:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2018-12-09 19:20:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 18008. [2018-12-09 19:20:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18008 states. [2018-12-09 19:20:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18008 states to 18008 states and 25747 transitions. [2018-12-09 19:20:58,250 INFO L78 Accepts]: Start accepts. Automaton has 18008 states and 25747 transitions. Word has length 285 [2018-12-09 19:20:58,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:20:58,250 INFO L480 AbstractCegarLoop]: Abstraction has 18008 states and 25747 transitions. [2018-12-09 19:20:58,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:20:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 18008 states and 25747 transitions. [2018-12-09 19:20:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-09 19:20:58,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:20:58,273 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:20:58,273 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:20:58,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash 98058298, now seen corresponding path program 1 times [2018-12-09 19:20:58,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:20:58,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:58,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:20:58,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:20:58,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:20:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:20:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 154 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:20:58,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:20:58,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:20:58,438 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 339 with the following transitions: [2018-12-09 19:20:58,438 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:20:58,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:20:58,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:20:58,789 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:20:58,789 INFO L272 AbstractInterpreter]: Visited 190 different actions 374 times. Merged at 4 different actions 4 times. Never widened. Performed 8223 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:20:58,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:20:58,791 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:20:59,272 INFO L227 lantSequenceWeakener]: Weakened 335 states. On average, predicates are now at 72.44% of their original sizes. [2018-12-09 19:20:59,272 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:20:59,516 INFO L418 sIntCurrentIteration]: We unified 337 AI predicates to 337 [2018-12-09 19:20:59,516 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:20:59,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:20:59,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-12-09 19:20:59,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:20:59,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-09 19:20:59,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-09 19:20:59,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:20:59,517 INFO L87 Difference]: Start difference. First operand 18008 states and 25747 transitions. Second operand 21 states. [2018-12-09 19:21:13,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:21:13,031 INFO L93 Difference]: Finished difference Result 36015 states and 51573 transitions. [2018-12-09 19:21:13,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:21:13,031 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 338 [2018-12-09 19:21:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:21:13,072 INFO L225 Difference]: With dead ends: 36015 [2018-12-09 19:21:13,072 INFO L226 Difference]: Without dead ends: 18220 [2018-12-09 19:21:13,089 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-12-09 19:21:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18220 states. [2018-12-09 19:21:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18220 to 18218. [2018-12-09 19:21:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18218 states. [2018-12-09 19:21:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 25967 transitions. [2018-12-09 19:21:13,285 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 25967 transitions. Word has length 338 [2018-12-09 19:21:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:21:13,285 INFO L480 AbstractCegarLoop]: Abstraction has 18218 states and 25967 transitions. [2018-12-09 19:21:13,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-09 19:21:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 25967 transitions. [2018-12-09 19:21:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-09 19:21:13,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:21:13,304 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:21:13,304 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:21:13,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:21:13,304 INFO L82 PathProgramCache]: Analyzing trace with hash -304174482, now seen corresponding path program 1 times [2018-12-09 19:21:13,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:21:13,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:21:13,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:21:13,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:21:13,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:21:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:21:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 45 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:21:13,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:21:13,463 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:21:13,463 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-12-09 19:21:13,463 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 19:21:13,466 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:21:13,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:21:13,863 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:21:13,863 INFO L272 AbstractInterpreter]: Visited 191 different actions 374 times. Merged at 3 different actions 3 times. Never widened. Performed 8617 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 19:21:13,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:21:13,864 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:21:13,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:21:13,864 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:21:13,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:21:13,870 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:21:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:21:13,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:21:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:21:14,043 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:21:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:21:14,177 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:21:14,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 19:21:14,177 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:21:14,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:21:14,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:21:14,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:21:14,178 INFO L87 Difference]: Start difference. First operand 18218 states and 25967 transitions. Second operand 9 states. [2018-12-09 19:21:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:21:16,127 INFO L93 Difference]: Finished difference Result 48962 states and 75079 transitions. [2018-12-09 19:21:16,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:21:16,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 348 [2018-12-09 19:21:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:21:16,128 INFO L225 Difference]: With dead ends: 48962 [2018-12-09 19:21:16,128 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:21:16,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:21:16,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:21:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:21:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:21:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:21:16,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2018-12-09 19:21:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:21:16,172 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:21:16,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:21:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:21:16,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:21:16,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:21:16,445 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 28 [2018-12-09 19:21:16,796 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2018-12-09 19:21:17,823 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 462 DAG size of output: 176 [2018-12-09 19:21:17,966 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-09 19:21:18,105 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a0~0)| ~a0~0) (= ~a5~0 |old(~a5~0)|)) [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,107 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-12-09 19:21:18,108 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,109 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,110 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,111 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-12-09 19:21:18,112 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~a27~0)|)))) (let ((.cse0 (< 0 |old(~a6~0)|)) (.cse5 (let ((.cse45 (not (= 1 |old(~a10~0)|))) (.cse46 (not (= 1 |old(~a22~0)|))) (.cse47 (not (= 0 |old(~a11~0)|))) (.cse48 (not (= 1 |old(~a16~0)|))) (.cse49 (not (= 1 ~a18~0))) (.cse50 (not (= 0 |old(~a26~0)|))) (.cse51 (not (= 1 |old(~a1~0)|))) (.cse52 (not (= 0 |old(~a2~0)|))) (.cse53 (not (= 0 |old(~a12~0)|))) (.cse54 (not (= 0 |old(~a25~0)|))) (.cse55 (not (= 0 |old(~a7~0)|)))) (and (or .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse14) (or .cse45 (not (= 0 |old(~a27~0)|)) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55)))) (.cse6 (not (= 0 |old(~a6~0)|))) (.cse7 (not (= 1 |old(~a15~0)|))) (.cse35 (= ~a19~0 0)) (.cse20 (= ~a4~0 1)) (.cse36 (= ~a8~0 0)) (.cse21 (= ~a16~0 1)) (.cse22 (= ~a15~0 1)) (.cse23 (= ~a26~0 0)) (.cse24 (= ~a11~0 0)) (.cse25 (= ~a17~0 0)) (.cse26 (= ~a20~0 0)) (.cse27 (= ~a25~0 0)) (.cse28 (= ~a23~0 0)) (.cse29 (= ~a22~0 1)) (.cse30 (= ~a1~0 1)) (.cse31 (= ~a29~0 1)) (.cse32 (= ~a6~0 0)) (.cse33 (= ~a14~0 0)) (.cse34 (= ~a3~0 1)) (.cse37 (= ~a7~0 0)) (.cse38 (= ~a10~0 1)) (.cse39 (= ~a2~0 0)) (.cse8 (not (= 0 |old(~a20~0)|))) (.cse9 (not (= 0 |old(~a23~0)|))) (.cse10 (not (= 1 |old(~a0~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= 1 |old(~a29~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 0 |old(~a8~0)|))) (.cse16 (not (= 0 |old(~a14~0)|))) (.cse17 (not (= 1 |old(~a3~0)|))) (.cse18 (not (= 0 |old(~a17~0)|))) (.cse19 (not (= 1 |old(~a4~0)|))) (.cse42 (< |old(~a3~0)| 2)) (.cse43 (= 1 |old(~a11~0)|)) (.cse41 (<= ~a27~0 0)) (.cse40 (< 0 |old(~a27~0)|)) (.cse4 (not (= 1 |old(~a5~0)|))) (.cse44 (not (= 1 |old(~a26~0)|))) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= |old(~a0~0)| ~a0~0)) (.cse3 (= ~a5~0 |old(~a5~0)|))) (and (or .cse0 (and .cse1 .cse2 (<= ~a6~0 0) .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 1) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (or .cse4 (and .cse1 (<= ~a3~0 0) .cse2 .cse3) (< 0 |old(~a3~0)|)) (or (not (= 1 |old(~a12~0)|)) .cse4 .cse40 (and .cse2 .cse3 (= 1 ~a12~0) .cse41)) (or .cse0 .cse4 .cse40 .cse42 .cse41) (or .cse5 .cse6 .cse7 (and (and .cse35 .cse20 .cse36 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) .cse37 .cse38 .cse39) .cse8 .cse9 .cse10 .cse11 .cse12 .cse40 .cse13 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19) (or .cse43 .cse4 (and .cse1 .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse4 .cse42 (and .cse1 .cse2 (<= 2 ~a3~0) .cse3)) (or .cse41 .cse43 .cse4 .cse40) (or .cse41 .cse4 .cse44 .cse40) (or .cse4 .cse44 (and .cse1 .cse2 .cse3 (= 1 ~a26~0)))))) [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1572) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-12-09 19:21:18,113 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,114 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-12-09 19:21:18,115 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-12-09 19:21:18,116 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 19:21:18,117 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-12-09 19:21:18,118 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-12-09 19:21:18,119 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,120 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-12-09 19:21:18,121 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-12-09 19:21:18,121 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= |old(~a0~0)| ~a0~0) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-12-09 19:21:18,121 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 19:21:18,122 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-09 19:21:18,122 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 19:21:18,122 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-09 19:21:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:21:18 BoogieIcfgContainer [2018-12-09 19:21:18,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:21:18,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:21:18,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:21:18,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:21:18,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:20:37" (3/4) ... [2018-12-09 19:21:18,136 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:21:18,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:21:18,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:21:18,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:21:18,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:21:18,152 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:21:18,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) [2018-12-09 19:21:18,236 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9cc00ae-7a1b-4ae4-b6a4-883461cffc58/bin-2019/utaipan/witness.graphml [2018-12-09 19:21:18,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:21:18,236 INFO L168 Benchmark]: Toolchain (without parser) took 42006.59 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 939.0 MB in the beginning and 1.7 GB in the end (delta: -739.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,237 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:21:18,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,237 INFO L168 Benchmark]: Boogie Preprocessor took 54.12 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,237 INFO L168 Benchmark]: RCFGBuilder took 1115.04 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: -593.2 kB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,238 INFO L168 Benchmark]: TraceAbstraction took 40163.82 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -595.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 19:21:18,238 INFO L168 Benchmark]: Witness Printer took 103.68 ms. Allocated memory is still 3.8 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:21:18,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.12 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1115.04 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: -593.2 kB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40163.82 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -595.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 103.68 ms. Allocated memory is still 3.8 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1572]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 40.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 30.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2390 SDtfs, 5779 SDslu, 1020 SDs, 0 SdLazy, 10907 SolverSat, 1559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3292 GetRequests, 3194 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18218occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9990805571379417 AbsIntWeakeningRatio, 0.2381818181818182 AbsIntAvgWeakeningVarsNumRemoved, 59.47636363636364 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 99 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 562 PreInvPairs, 1078 NumberOfFragments, 1193 HoareAnnotationTreeSize, 562 FomulaSimplifications, 19360 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7461 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3798 NumberOfCodeBlocks, 3798 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5113 ConstructedInterpolants, 0 QuantifiedInterpolants, 3482608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5419 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1709/1827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...