./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/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 cbdb653cfcf101dac558ea109da390cc04b5e9b8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:23:45,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:23:45,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:23:45,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:23:45,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:23:45,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:23:45,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:23:45,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:23:45,086 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:23:45,087 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:23:45,087 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:23:45,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:23:45,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:23:45,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:23:45,089 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:23:45,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:23:45,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:23:45,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:23:45,091 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:23:45,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:23:45,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:23:45,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:23:45,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:23:45,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:23:45,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:23:45,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:23:45,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:23:45,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:23:45,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:23:45,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:23:45,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:23:45,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:23:45,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:23:45,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:23:45,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:23:45,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:23:45,098 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:23:45,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:23:45,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:23:45,106 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:23:45,106 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:23:45,107 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:23:45,107 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:23:45,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:23:45,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:23:45,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:23:45,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:23:45,109 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:23:45,110 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:23:45,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:23:45,110 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:23:45,110 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_507515bc-4c32-4846-ae7c-ee278ea046aa/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 -> cbdb653cfcf101dac558ea109da390cc04b5e9b8 [2018-12-08 20:23:45,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:23:45,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:23:45,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:23:45,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:23:45,141 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:23:45,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-12-08 20:23:45,179 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/data/24430d1ff/68225eaa19724bc8b67d6fc79b98021c/FLAG3286b4ff1 [2018-12-08 20:23:45,636 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:23:45,637 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-12-08 20:23:45,643 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/data/24430d1ff/68225eaa19724bc8b67d6fc79b98021c/FLAG3286b4ff1 [2018-12-08 20:23:45,652 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/data/24430d1ff/68225eaa19724bc8b67d6fc79b98021c [2018-12-08 20:23:45,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:23:45,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:23:45,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:23:45,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:23:45,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:23:45,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:23:45" (1/1) ... [2018-12-08 20:23:45,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:45, skipping insertion in model container [2018-12-08 20:23:45,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:23:45" (1/1) ... [2018-12-08 20:23:45,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:23:45,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:23:45,877 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:23:45,880 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:23:46,006 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:23:46,015 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:23:46,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46 WrapperNode [2018-12-08 20:23:46,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:23:46,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:23:46,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:23:46,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:23:46,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:23:46,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:23:46,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:23:46,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:23:46,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... [2018-12-08 20:23:46,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:23:46,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:23:46,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:23:46,098 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:23:46,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/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 [2018-12-08 20:23:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:23:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:23:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 20:23:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 20:23:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:23:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:23:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:23:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:23:46,825 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:23:46,825 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 20:23:46,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:46 BoogieIcfgContainer [2018-12-08 20:23:46,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:23:46,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:23:46,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:23:46,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:23:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:23:45" (1/3) ... [2018-12-08 20:23:46,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:23:46, skipping insertion in model container [2018-12-08 20:23:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:46" (2/3) ... [2018-12-08 20:23:46,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:23:46, skipping insertion in model container [2018-12-08 20:23:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:46" (3/3) ... [2018-12-08 20:23:46,830 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label26_true-unreach-call_false-termination.c [2018-12-08 20:23:46,837 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:23:46,842 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:23:46,852 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:23:46,873 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:23:46,873 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:23:46,873 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:23:46,873 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:23:46,873 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:23:46,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:23:46,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:23:46,874 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:23:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 20:23:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 20:23:46,895 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:23:46,896 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] [2018-12-08 20:23:46,898 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:23:46,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:23:46,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1385105165, now seen corresponding path program 1 times [2018-12-08 20:23:46,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:23:46,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:46,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:23:46,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:46,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:23:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:23:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:23:47,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:23:47,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:23:47,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:23:47,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:23:47,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:23:47,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:23:47,125 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-08 20:23:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:23:47,682 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-08 20:23:47,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:23:47,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-12-08 20:23:47,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:23:47,692 INFO L225 Difference]: With dead ends: 688 [2018-12-08 20:23:47,692 INFO L226 Difference]: Without dead ends: 372 [2018-12-08 20:23:47,695 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 [2018-12-08 20:23:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-08 20:23:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-08 20:23:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-08 20:23:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 596 transitions. [2018-12-08 20:23:47,734 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 596 transitions. Word has length 72 [2018-12-08 20:23:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:23:47,735 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 596 transitions. [2018-12-08 20:23:47,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:23:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 596 transitions. [2018-12-08 20:23:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 20:23:47,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:23:47,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:23:47,738 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:23:47,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:23:47,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1505037462, now seen corresponding path program 1 times [2018-12-08 20:23:47,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:23:47,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:47,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:23:47,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:47,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:23:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:23:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:23:47,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:23:47,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 20:23:47,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:23:47,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 20:23:47,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 20:23:47,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 20:23:47,857 INFO L87 Difference]: Start difference. First operand 372 states and 596 transitions. Second operand 5 states. [2018-12-08 20:23:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:23:48,525 INFO L93 Difference]: Finished difference Result 940 states and 1514 transitions. [2018-12-08 20:23:48,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 20:23:48,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-12-08 20:23:48,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:23:48,528 INFO L225 Difference]: With dead ends: 940 [2018-12-08 20:23:48,528 INFO L226 Difference]: Without dead ends: 574 [2018-12-08 20:23:48,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 20:23:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-08 20:23:48,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-08 20:23:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-08 20:23:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 831 transitions. [2018-12-08 20:23:48,547 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 831 transitions. Word has length 148 [2018-12-08 20:23:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:23:48,548 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 831 transitions. [2018-12-08 20:23:48,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 20:23:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 831 transitions. [2018-12-08 20:23:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-08 20:23:48,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:23:48,550 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:23:48,551 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:23:48,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:23:48,551 INFO L82 PathProgramCache]: Analyzing trace with hash 430034666, now seen corresponding path program 1 times [2018-12-08 20:23:48,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:23:48,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:48,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:23:48,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:48,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:23:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:23:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:23:48,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:23:48,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 20:23:48,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:23:48,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:23:48,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:23:48,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:23:48,685 INFO L87 Difference]: Start difference. First operand 564 states and 831 transitions. Second operand 6 states. [2018-12-08 20:23:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:23:49,346 INFO L93 Difference]: Finished difference Result 1526 states and 2378 transitions. [2018-12-08 20:23:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:23:49,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2018-12-08 20:23:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:23:49,349 INFO L225 Difference]: With dead ends: 1526 [2018-12-08 20:23:49,350 INFO L226 Difference]: Without dead ends: 968 [2018-12-08 20:23:49,350 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 [2018-12-08 20:23:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-12-08 20:23:49,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 942. [2018-12-08 20:23:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2018-12-08 20:23:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1352 transitions. [2018-12-08 20:23:49,370 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1352 transitions. Word has length 212 [2018-12-08 20:23:49,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:23:49,371 INFO L480 AbstractCegarLoop]: Abstraction has 942 states and 1352 transitions. [2018-12-08 20:23:49,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:23:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1352 transitions. [2018-12-08 20:23:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 20:23:49,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:23:49,374 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:23:49,374 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:23:49,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:23:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash -68983624, now seen corresponding path program 1 times [2018-12-08 20:23:49,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:23:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:49,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:23:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:23:49,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:23:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:23:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:23:49,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:23:49,461 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:23:49,462 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-12-08 20:23:49,463 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:23:49,488 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:23:49,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:23:49,665 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:23:49,666 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 726 root evaluator evaluations with a maximum evaluation depth of 9. Performed 726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 20:23:49,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:23:49,671 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:23:49,879 INFO L227 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 78.39% of their original sizes. [2018-12-08 20:23:49,880 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:23:49,898 INFO L418 sIntCurrentIteration]: We unified 230 AI predicates to 230 [2018-12-08 20:23:49,898 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:23:49,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:23:49,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 20:23:49,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:23:49,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:23:49,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:23:49,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:23:49,899 INFO L87 Difference]: Start difference. First operand 942 states and 1352 transitions. Second operand 6 states. [2018-12-08 20:24:02,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:02,646 INFO L93 Difference]: Finished difference Result 2061 states and 2911 transitions. [2018-12-08 20:24:02,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:24:02,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 231 [2018-12-08 20:24:02,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:02,649 INFO L225 Difference]: With dead ends: 2061 [2018-12-08 20:24:02,650 INFO L226 Difference]: Without dead ends: 1125 [2018-12-08 20:24:02,651 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:24:02,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-12-08 20:24:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1124. [2018-12-08 20:24:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-08 20:24:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1541 transitions. [2018-12-08 20:24:02,675 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1541 transitions. Word has length 231 [2018-12-08 20:24:02,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:02,675 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1541 transitions. [2018-12-08 20:24:02,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:24:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1541 transitions. [2018-12-08 20:24:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 20:24:02,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:02,680 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:24:02,680 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:02,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:02,681 INFO L82 PathProgramCache]: Analyzing trace with hash 674513393, now seen corresponding path program 1 times [2018-12-08 20:24:02,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:24:02,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:02,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:02,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:02,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:24:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 280 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:24:03,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:24:03,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:24:03,069 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-12-08 20:24:03,069 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:24:03,072 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:24:03,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:24:03,168 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:24:03,169 INFO L272 AbstractInterpreter]: Visited 93 different actions 179 times. Merged at 3 different actions 3 times. Never widened. Performed 1491 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 20:24:03,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:03,179 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:24:03,382 INFO L227 lantSequenceWeakener]: Weakened 312 states. On average, predicates are now at 78.12% of their original sizes. [2018-12-08 20:24:03,383 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:24:03,433 INFO L418 sIntCurrentIteration]: We unified 314 AI predicates to 314 [2018-12-08 20:24:03,433 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:24:03,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:24:03,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-08 20:24:03,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:24:03,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:24:03,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:24:03,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:24:03,434 INFO L87 Difference]: Start difference. First operand 1124 states and 1541 transitions. Second operand 10 states. [2018-12-08 20:24:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:39,299 INFO L93 Difference]: Finished difference Result 2458 states and 3354 transitions. [2018-12-08 20:24:39,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 20:24:39,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2018-12-08 20:24:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:39,303 INFO L225 Difference]: With dead ends: 2458 [2018-12-08 20:24:39,303 INFO L226 Difference]: Without dead ends: 1522 [2018-12-08 20:24:39,305 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:24:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2018-12-08 20:24:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1308. [2018-12-08 20:24:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2018-12-08 20:24:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1746 transitions. [2018-12-08 20:24:39,333 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1746 transitions. Word has length 315 [2018-12-08 20:24:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:39,334 INFO L480 AbstractCegarLoop]: Abstraction has 1308 states and 1746 transitions. [2018-12-08 20:24:39,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:24:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1746 transitions. [2018-12-08 20:24:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-08 20:24:39,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:39,340 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:24:39,340 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:39,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:39,340 INFO L82 PathProgramCache]: Analyzing trace with hash -272128015, now seen corresponding path program 1 times [2018-12-08 20:24:39,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:24:39,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:39,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:39,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:39,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:24:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 348 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 20:24:39,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:24:39,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:24:39,479 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 368 with the following transitions: [2018-12-08 20:24:39,479 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:24:39,481 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:24:39,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:24:42,771 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:24:42,771 INFO L272 AbstractInterpreter]: Visited 119 different actions 356 times. Merged at 7 different actions 19 times. Never widened. Performed 3404 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3404 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 20:24:42,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:42,773 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:24:43,386 INFO L227 lantSequenceWeakener]: Weakened 364 states. On average, predicates are now at 80.82% of their original sizes. [2018-12-08 20:24:43,386 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:24:43,428 INFO L418 sIntCurrentIteration]: We unified 366 AI predicates to 366 [2018-12-08 20:24:43,428 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:24:43,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:24:43,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 20:24:43,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:24:43,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:24:43,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:24:43,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:24:43,429 INFO L87 Difference]: Start difference. First operand 1308 states and 1746 transitions. Second operand 10 states. [2018-12-08 20:24:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:52,930 INFO L93 Difference]: Finished difference Result 3205 states and 4358 transitions. [2018-12-08 20:24:52,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 20:24:52,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 367 [2018-12-08 20:24:52,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:52,935 INFO L225 Difference]: With dead ends: 3205 [2018-12-08 20:24:52,935 INFO L226 Difference]: Without dead ends: 2269 [2018-12-08 20:24:52,936 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 377 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 20:24:52,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2018-12-08 20:24:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2234. [2018-12-08 20:24:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2018-12-08 20:24:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2887 transitions. [2018-12-08 20:24:52,966 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2887 transitions. Word has length 367 [2018-12-08 20:24:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:52,967 INFO L480 AbstractCegarLoop]: Abstraction has 2234 states and 2887 transitions. [2018-12-08 20:24:52,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:24:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2887 transitions. [2018-12-08 20:24:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-08 20:24:52,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:52,970 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:24:52,970 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:52,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:52,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1305541340, now seen corresponding path program 1 times [2018-12-08 20:24:52,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:24:52,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:52,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:24:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 453 proven. 232 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:24:53,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:24:53,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:24:53,420 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 462 with the following transitions: [2018-12-08 20:24:53,420 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:24:53,422 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:24:53,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:24:56,068 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:24:56,068 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 20:24:56,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:56,070 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:24:57,562 INFO L227 lantSequenceWeakener]: Weakened 458 states. On average, predicates are now at 77.87% of their original sizes. [2018-12-08 20:24:57,562 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:24:57,594 INFO L418 sIntCurrentIteration]: We unified 460 AI predicates to 460 [2018-12-08 20:24:57,594 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:24:57,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:24:57,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-08 20:24:57,594 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:24:57,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:24:57,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:24:57,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:24:57,595 INFO L87 Difference]: Start difference. First operand 2234 states and 2887 transitions. Second operand 10 states. [2018-12-08 20:25:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:25:04,928 INFO L93 Difference]: Finished difference Result 4096 states and 5389 transitions. [2018-12-08 20:25:04,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 20:25:04,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 461 [2018-12-08 20:25:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:25:04,933 INFO L225 Difference]: With dead ends: 4096 [2018-12-08 20:25:04,933 INFO L226 Difference]: Without dead ends: 2420 [2018-12-08 20:25:04,935 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 468 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 20:25:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2018-12-08 20:25:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2416. [2018-12-08 20:25:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2416 states. [2018-12-08 20:25:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3083 transitions. [2018-12-08 20:25:04,967 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3083 transitions. Word has length 461 [2018-12-08 20:25:04,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:25:04,967 INFO L480 AbstractCegarLoop]: Abstraction has 2416 states and 3083 transitions. [2018-12-08 20:25:04,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:25:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3083 transitions. [2018-12-08 20:25:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-12-08 20:25:04,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:25:04,970 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:25:04,970 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:25:04,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:25:04,970 INFO L82 PathProgramCache]: Analyzing trace with hash 920368666, now seen corresponding path program 1 times [2018-12-08 20:25:04,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:25:04,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:04,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:25:04,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:04,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:25:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-12-08 20:25:05,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:25:05,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:25:05,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:25:05,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:25:05,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:25:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:25:05,090 INFO L87 Difference]: Start difference. First operand 2416 states and 3083 transitions. Second operand 4 states. [2018-12-08 20:25:05,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:25:05,672 INFO L93 Difference]: Finished difference Result 4462 states and 5914 transitions. [2018-12-08 20:25:05,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:25:05,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 470 [2018-12-08 20:25:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:25:05,677 INFO L225 Difference]: With dead ends: 4462 [2018-12-08 20:25:05,677 INFO L226 Difference]: Without dead ends: 2786 [2018-12-08 20:25:05,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:25:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2018-12-08 20:25:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2602. [2018-12-08 20:25:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2018-12-08 20:25:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3231 transitions. [2018-12-08 20:25:05,704 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3231 transitions. Word has length 470 [2018-12-08 20:25:05,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:25:05,705 INFO L480 AbstractCegarLoop]: Abstraction has 2602 states and 3231 transitions. [2018-12-08 20:25:05,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:25:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3231 transitions. [2018-12-08 20:25:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2018-12-08 20:25:05,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:25:05,709 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:25:05,709 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:25:05,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:25:05,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1216850019, now seen corresponding path program 1 times [2018-12-08 20:25:05,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:25:05,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:05,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:25:05,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:05,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:25:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 419 proven. 273 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2018-12-08 20:25:05,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:25:05,876 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:25:05,876 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 546 with the following transitions: [2018-12-08 20:25:05,876 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:25:05,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:25:05,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:25:10,158 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:25:10,159 INFO L272 AbstractInterpreter]: Visited 124 different actions 500 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 4715 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 20:25:10,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:25:10,161 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:25:10,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:25:10,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/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 [2018-12-08 20:25:10,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:25:10,167 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:25:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:10,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:25:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 727 proven. 2 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-12-08 20:25:10,366 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:25:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 419 proven. 273 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2018-12-08 20:25:10,545 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:25:10,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 20:25:10,545 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:25:10,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:25:10,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:25:10,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:25:10,546 INFO L87 Difference]: Start difference. First operand 2602 states and 3231 transitions. Second operand 9 states. [2018-12-08 20:25:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:25:12,674 INFO L93 Difference]: Finished difference Result 5608 states and 7214 transitions. [2018-12-08 20:25:12,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 20:25:12,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 545 [2018-12-08 20:25:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:25:12,684 INFO L225 Difference]: With dead ends: 5608 [2018-12-08 20:25:12,685 INFO L226 Difference]: Without dead ends: 3194 [2018-12-08 20:25:12,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1138 GetRequests, 1106 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-08 20:25:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2018-12-08 20:25:12,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2632. [2018-12-08 20:25:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2632 states. [2018-12-08 20:25:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 3097 transitions. [2018-12-08 20:25:12,726 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 3097 transitions. Word has length 545 [2018-12-08 20:25:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:25:12,726 INFO L480 AbstractCegarLoop]: Abstraction has 2632 states and 3097 transitions. [2018-12-08 20:25:12,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:25:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3097 transitions. [2018-12-08 20:25:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2018-12-08 20:25:12,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:25:12,730 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:25:12,730 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:25:12,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:25:12,730 INFO L82 PathProgramCache]: Analyzing trace with hash -361688051, now seen corresponding path program 1 times [2018-12-08 20:25:12,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:25:12,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:12,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:25:12,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:25:12,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:25:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 489 proven. 289 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:25:13,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:25:13,370 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:25:13,370 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 565 with the following transitions: [2018-12-08 20:25:13,370 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 20:25:13,372 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:25:13,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:25:17,254 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:25:17,255 INFO L272 AbstractInterpreter]: Visited 190 different actions 757 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 8289 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8289 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 20:25:17,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:25:17,257 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:25:17,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:25:17,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/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 [2018-12-08 20:25:17,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:25:17,263 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:25:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:17,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:25:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-08 20:25:17,435 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:25:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-08 20:25:17,540 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:25:17,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-12-08 20:25:17,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:25:17,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:25:17,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:25:17,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:25:17,541 INFO L87 Difference]: Start difference. First operand 2632 states and 3097 transitions. Second operand 3 states. [2018-12-08 20:25:17,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:25:17,963 INFO L93 Difference]: Finished difference Result 5994 states and 7273 transitions. [2018-12-08 20:25:17,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:25:17,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2018-12-08 20:25:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:25:17,964 INFO L225 Difference]: With dead ends: 5994 [2018-12-08 20:25:17,964 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:25:17,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1127 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:25:17,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:25:17,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:25:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:25:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:25:17,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 564 [2018-12-08 20:25:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:25:17,970 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:25:17,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:25:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:25:17,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:25:17,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:25:18,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:25:18,693 WARN L180 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2018-12-08 20:25:18,853 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,854 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 20:25:18,855 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,856 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,857 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (+ |old(~a12~0)| 49)) (.cse15 (= 8 |old(~a15~0)|))) (let ((.cse4 (= ~a24~0 1)) (.cse1 (not (= ~a21~0 0))) (.cse6 (= 0 |old(~a21~0)|)) (.cse12 (not (= 7 |old(~a21~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse13 (= ~a21~0 7)) (.cse7 (not (= 1 |old(~a24~0)|))) (.cse8 (not .cse15)) (.cse11 (not (= 0 .cse14))) (.cse2 (not (= ~a21~0 8))) (.cse10 (= 8 |old(~a21~0)|)) (.cse0 (= ~a12~0 |old(~a12~0)|)) (.cse3 (<= ~a21~0 |old(~a21~0)|)) (.cse5 (= |old(~a15~0)| ~a15~0))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or (or (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))) .cse7 .cse11 .cse9) (and (= ~a21~0 6) .cse4)) (or .cse12 .cse13 .cse7 .cse8 .cse11 .cse9) (or (not (= 9 |old(~a15~0)|)) .cse2 .cse10) (or (< 0 .cse14) .cse10 .cse15 .cse2) (or (and .cse0 .cse3 .cse4 (or .cse13 (and .cse1 (= (mod ~a21~0 2) 0))) .cse5) (or (and (or (not (= 0 (mod |old(~a21~0)| 2))) .cse6) .cse12) .cse7 .cse8 .cse9)) (or .cse9 (or (= ~a21~0 10) .cse13) (or (not (= 10 |old(~a21~0)|)) .cse7 .cse8 .cse11)) (or (and .cse3 (or (and .cse0 (not (= 6 ~a15~0))) (and .cse0 .cse2)) (= ~a15~0 |old(~a15~0)|)) (or (and .cse10 (= 6 |old(~a15~0)|)) .cse15)) (or (and .cse0 .cse3 .cse5) (<= |old(~a12~0)| 11) .cse15)))) [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 20:25:18,858 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,859 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 20:25:18,860 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,861 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 20:25:18,862 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 20:25:18,863 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-08 20:25:18,864 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0))) [2018-12-08 20:25:18,864 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 20:25:18,864 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 1) (= ~a15~0 |old(~a15~0)|)) (and (or (not (= ~a21~0 8)) (not (= 6 ~a15~0))) .cse0) (not (= 8 |old(~a15~0)|)) (and (< 11 ~a12~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-12-08 20:25:18,865 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 20:25:18,865 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 20:25:18,865 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (and (and (not (= ~a21~0 0)) (= ~a24~0 1)) (= ~a15~0 |old(~a15~0)|)) (and (or (not (= ~a21~0 8)) (not (= 6 ~a15~0))) .cse0) (not (= 8 |old(~a15~0)|)) (and (< 11 ~a12~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-12-08 20:25:18,865 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 20:25:18,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:25:18 BoogieIcfgContainer [2018-12-08 20:25:18,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:25:18,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:25:18,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:25:18,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:25:18,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:46" (3/4) ... [2018-12-08 20:25:18,876 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:25:18,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:25:18,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 20:25:18,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:25:18,891 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:25:18,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:25:18,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(a21 == 0) && a24 == 1) && a15 == \old(a15)) || ((!(a21 == 8) || !(6 == a15)) && !(a15 == 8))) || !(8 == \old(a15))) || (11 < a12 && !(a15 == 8))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-12-08 20:25:18,995 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_507515bc-4c32-4846-ae7c-ee278ea046aa/bin-2019/utaipan/witness.graphml [2018-12-08 20:25:18,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:25:18,995 INFO L168 Benchmark]: Toolchain (without parser) took 93341.74 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -385.3 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-12-08 20:25:18,996 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:25:18,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:25:18,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:25:18,997 INFO L168 Benchmark]: Boogie Preprocessor took 55.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:25:18,997 INFO L168 Benchmark]: RCFGBuilder took 728.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 125.5 MB). Peak memory consumption was 125.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:25:18,997 INFO L168 Benchmark]: TraceAbstraction took 92045.73 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 956.5 MB in the beginning and 1.3 GB in the end (delta: -375.9 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-08 20:25:18,998 INFO L168 Benchmark]: Witness Printer took 122.66 ms. Allocated memory is still 4.9 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:25:18,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 728.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 125.5 MB). Peak memory consumption was 125.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 92045.73 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 956.5 MB in the beginning and 1.3 GB in the end (delta: -375.9 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 122.66 ms. Allocated memory is still 4.9 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((!(a21 == 0) && a24 == 1) && a15 == \old(a15)) || ((!(a21 == 8) || !(6 == a15)) && !(a15 == 8))) || !(8 == \old(a15))) || (11 < a12 && !(a15 == 8))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 91.9s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 70.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 906 SDtfs, 6856 SDslu, 439 SDs, 0 SdLazy, 10317 SolverSat, 2325 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3706 GetRequests, 3585 SyntacticMatches, 7 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2632occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 14.4s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9971479436452136 AbsIntWeakeningRatio, 0.09343065693430656 AbsIntAvgWeakeningVarsNumRemoved, 16.227007299270074 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1036 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 90 PreInvPairs, 132 NumberOfFragments, 433 HoareAnnotationTreeSize, 90 FomulaSimplifications, 5228 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3417 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4494 NumberOfCodeBlocks, 4494 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5589 ConstructedInterpolants, 0 QuantifiedInterpolants, 9982362 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1664 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 7414/8633 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...