./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_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_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/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 9fc45ae4ddf84075a39a55d475a45c859aa435e6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 00:14:08,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:14:08,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:14:08,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:14:08,101 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:14:08,102 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:14:08,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:14:08,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:14:08,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:14:08,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:14:08,105 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:14:08,105 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:14:08,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:14:08,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:14:08,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:14:08,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:14:08,108 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:14:08,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:14:08,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:14:08,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:14:08,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:14:08,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:14:08,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:14:08,113 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:14:08,113 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:14:08,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:14:08,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:14:08,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:14:08,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:14:08,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:14:08,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:14:08,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:14:08,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:14:08,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:14:08,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:14:08,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:14:08,118 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 00:14:08,125 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:14:08,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:14:08,126 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 00:14:08,126 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 00:14:08,126 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 00:14:08,126 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 00:14:08,126 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 00:14:08,127 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 00:14:08,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 00:14:08,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 00:14:08,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 00:14:08,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 00:14:08,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 00:14:08,130 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 00:14:08,130 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_a1447b74-771b-4043-970c-7b73eeed8501/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 -> 9fc45ae4ddf84075a39a55d475a45c859aa435e6 [2018-12-03 00:14:08,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:14:08,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:14:08,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:14:08,157 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:14:08,158 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:14:08,158 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-12-03 00:14:08,193 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/data/0447c472d/29340bc10b114e2da2ed229257994d92/FLAG43442c2f6 [2018-12-03 00:14:08,693 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:14:08,693 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-12-03 00:14:08,702 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/data/0447c472d/29340bc10b114e2da2ed229257994d92/FLAG43442c2f6 [2018-12-03 00:14:08,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/data/0447c472d/29340bc10b114e2da2ed229257994d92 [2018-12-03 00:14:08,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:14:08,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:14:08,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:14:08,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:14:08,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:14:08,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:14:08" (1/1) ... [2018-12-03 00:14:08,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:08, skipping insertion in model container [2018-12-03 00:14:08,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:14:08" (1/1) ... [2018-12-03 00:14:08,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:14:08,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:14:08,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:14:08,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:14:08,975 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:14:09,033 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:14:09,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09 WrapperNode [2018-12-03 00:14:09,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:14:09,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:14:09,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:14:09,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:14:09,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:14:09,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:14:09,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:14:09,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:14:09,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... [2018-12-03 00:14:09,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:14:09,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:14:09,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:14:09,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:14:09,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/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 [2018-12-03 00:14:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 00:14:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 00:14:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 00:14:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 00:14:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:14:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:14:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 00:14:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 00:14:09,658 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:14:09,658 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 00:14:09,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:14:09 BoogieIcfgContainer [2018-12-03 00:14:09,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:14:09,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 00:14:09,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 00:14:09,661 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 00:14:09,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:14:08" (1/3) ... [2018-12-03 00:14:09,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:14:09, skipping insertion in model container [2018-12-03 00:14:09,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:09" (2/3) ... [2018-12-03 00:14:09,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:14:09, skipping insertion in model container [2018-12-03 00:14:09,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:14:09" (3/3) ... [2018-12-03 00:14:09,663 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label36_true-unreach-call_false-termination.c [2018-12-03 00:14:09,669 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 00:14:09,674 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 00:14:09,683 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 00:14:09,704 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 00:14:09,704 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 00:14:09,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 00:14:09,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 00:14:09,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 00:14:09,704 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 00:14:09,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 00:14:09,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 00:14:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 00:14:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 00:14:09,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:09,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:09,727 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:09,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1783412414, now seen corresponding path program 1 times [2018-12-03 00:14:09,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:09,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:09,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:09,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:09,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:14:09,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:14:09,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 00:14:09,973 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:09,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 00:14:09,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 00:14:09,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 00:14:09,985 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-03 00:14:10,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:10,450 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-03 00:14:10,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 00:14:10,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-12-03 00:14:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:10,460 INFO L225 Difference]: With dead ends: 615 [2018-12-03 00:14:10,461 INFO L226 Difference]: Without dead ends: 317 [2018-12-03 00:14:10,464 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 [2018-12-03 00:14:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-03 00:14:10,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-03 00:14:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-03 00:14:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-03 00:14:10,504 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 138 [2018-12-03 00:14:10,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:10,505 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-03 00:14:10,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 00:14:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-03 00:14:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-03 00:14:10,509 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:10,510 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:10,510 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:10,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:10,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1214280925, now seen corresponding path program 1 times [2018-12-03 00:14:10,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:10,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:10,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:10,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:10,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:14:10,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:14:10,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 00:14:10,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:10,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 00:14:10,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 00:14:10,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 00:14:10,619 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-03 00:14:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:11,071 INFO L93 Difference]: Finished difference Result 964 states and 1501 transitions. [2018-12-03 00:14:11,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 00:14:11,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-03 00:14:11,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:11,075 INFO L225 Difference]: With dead ends: 964 [2018-12-03 00:14:11,075 INFO L226 Difference]: Without dead ends: 653 [2018-12-03 00:14:11,076 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 [2018-12-03 00:14:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2018-12-03 00:14:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 625. [2018-12-03 00:14:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-03 00:14:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-03 00:14:11,098 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 153 [2018-12-03 00:14:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:11,099 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-03 00:14:11,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 00:14:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-03 00:14:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-03 00:14:11,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:11,100 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:11,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:11,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash -405364120, now seen corresponding path program 1 times [2018-12-03 00:14:11,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:11,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:11,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:11,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:11,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-03 00:14:11,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:11,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:11,157 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-03 00:14:11,158 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:11,184 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:11,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:11,430 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:14:11,431 INFO L272 AbstractInterpreter]: Visited 139 different actions 139 times. Never merged. Never widened. Performed 1516 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-03 00:14:11,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:11,438 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:14:11,647 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 81.28% of their original sizes. [2018-12-03 00:14:11,647 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:14:11,672 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-03 00:14:11,672 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:14:11,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:14:11,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-03 00:14:11,672 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:11,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 00:14:11,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 00:14:11,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 00:14:11,673 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-03 00:14:13,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:13,473 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-03 00:14:13,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 00:14:13,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-03 00:14:13,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:13,476 INFO L225 Difference]: With dead ends: 1392 [2018-12-03 00:14:13,476 INFO L226 Difference]: Without dead ends: 773 [2018-12-03 00:14:13,477 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 00:14:13,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-03 00:14:13,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-03 00:14:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-03 00:14:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-03 00:14:13,490 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 161 [2018-12-03 00:14:13,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:13,491 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-03 00:14:13,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 00:14:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-03 00:14:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-03 00:14:13,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:13,493 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:13,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:13,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:13,493 INFO L82 PathProgramCache]: Analyzing trace with hash 620824471, now seen corresponding path program 1 times [2018-12-03 00:14:13,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:13,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:13,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:13,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:13,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 00:14:13,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:13,584 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:13,584 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-03 00:14:13,584 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:13,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:13,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:13,812 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:14:13,812 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 6 different actions 15 times. Never widened. Performed 4742 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 00:14:13,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:13,814 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:14:13,943 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 84.94% of their original sizes. [2018-12-03 00:14:13,943 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:14:13,988 INFO L418 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-12-03 00:14:13,988 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:14:13,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:14:13,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-03 00:14:13,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:13,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 00:14:13,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 00:14:13,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 00:14:13,990 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-03 00:14:15,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:15,916 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-03 00:14:15,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 00:14:15,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-12-03 00:14:15,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:15,919 INFO L225 Difference]: With dead ends: 1858 [2018-12-03 00:14:15,919 INFO L226 Difference]: Without dead ends: 1093 [2018-12-03 00:14:15,920 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-03 00:14:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-03 00:14:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-03 00:14:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-03 00:14:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-03 00:14:15,937 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 170 [2018-12-03 00:14:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:15,937 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-03 00:14:15,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 00:14:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-03 00:14:15,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-03 00:14:15,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:15,939 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:15,939 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:15,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:15,939 INFO L82 PathProgramCache]: Analyzing trace with hash -774275897, now seen corresponding path program 1 times [2018-12-03 00:14:15,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:15,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:15,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:15,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:15,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:14:15,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:15,992 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:15,992 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-12-03 00:14:15,993 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:15,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:15,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:16,098 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:14:16,099 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-03 00:14:16,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:16,101 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:14:16,209 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 81.25% of their original sizes. [2018-12-03 00:14:16,209 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:14:16,248 INFO L418 sIntCurrentIteration]: We unified 168 AI predicates to 168 [2018-12-03 00:14:16,248 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:14:16,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:14:16,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 00:14:16,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:16,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 00:14:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 00:14:16,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 00:14:16,249 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-03 00:14:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:18,296 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-03 00:14:18,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 00:14:18,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-12-03 00:14:18,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:18,299 INFO L225 Difference]: With dead ends: 2440 [2018-12-03 00:14:18,299 INFO L226 Difference]: Without dead ends: 1371 [2018-12-03 00:14:18,300 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 00:14:18,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-03 00:14:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-03 00:14:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-03 00:14:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-03 00:14:18,318 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 169 [2018-12-03 00:14:18,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:18,318 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-03 00:14:18,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 00:14:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-03 00:14:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-03 00:14:18,320 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:18,320 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:18,320 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:18,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:18,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1714254655, now seen corresponding path program 1 times [2018-12-03 00:14:18,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:18,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:18,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:18,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:18,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 00:14:18,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:14:18,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 00:14:18,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:18,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 00:14:18,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 00:14:18,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 00:14:18,377 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-03 00:14:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:18,664 INFO L93 Difference]: Finished difference Result 3310 states and 4521 transitions. [2018-12-03 00:14:18,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 00:14:18,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-12-03 00:14:18,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:18,669 INFO L225 Difference]: With dead ends: 3310 [2018-12-03 00:14:18,669 INFO L226 Difference]: Without dead ends: 1504 [2018-12-03 00:14:18,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 00:14:18,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-12-03 00:14:18,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1503. [2018-12-03 00:14:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-12-03 00:14:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1864 transitions. [2018-12-03 00:14:18,696 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1864 transitions. Word has length 173 [2018-12-03 00:14:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:18,696 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1864 transitions. [2018-12-03 00:14:18,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 00:14:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1864 transitions. [2018-12-03 00:14:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-03 00:14:18,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:18,699 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:18,699 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:18,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:18,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1576303530, now seen corresponding path program 1 times [2018-12-03 00:14:18,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:18,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:18,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:18,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:18,700 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:14:18,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:18,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:18,765 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-12-03 00:14:18,765 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:18,768 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:18,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:18,960 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:14:18,960 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 7 different actions 15 times. Never widened. Performed 4899 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4899 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 00:14:18,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:18,961 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:14:19,083 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 84.77% of their original sizes. [2018-12-03 00:14:19,083 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:14:19,143 INFO L418 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-12-03 00:14:19,143 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:14:19,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:14:19,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 00:14:19,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:19,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 00:14:19,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 00:14:19,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 00:14:19,144 INFO L87 Difference]: Start difference. First operand 1503 states and 1864 transitions. Second operand 10 states. [2018-12-03 00:14:21,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:21,474 INFO L93 Difference]: Finished difference Result 3937 states and 4887 transitions. [2018-12-03 00:14:21,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 00:14:21,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-12-03 00:14:21,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:21,478 INFO L225 Difference]: With dead ends: 3937 [2018-12-03 00:14:21,478 INFO L226 Difference]: Without dead ends: 2440 [2018-12-03 00:14:21,480 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-12-03 00:14:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-12-03 00:14:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2115. [2018-12-03 00:14:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2018-12-03 00:14:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2528 transitions. [2018-12-03 00:14:21,505 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2528 transitions. Word has length 201 [2018-12-03 00:14:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:21,505 INFO L480 AbstractCegarLoop]: Abstraction has 2115 states and 2528 transitions. [2018-12-03 00:14:21,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 00:14:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2528 transitions. [2018-12-03 00:14:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-03 00:14:21,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:21,508 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:21,508 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:21,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:21,508 INFO L82 PathProgramCache]: Analyzing trace with hash -198388443, now seen corresponding path program 1 times [2018-12-03 00:14:21,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:21,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:21,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:21,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:21,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 00:14:21,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:21,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:21,612 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-12-03 00:14:21,612 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:21,614 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:21,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:21,778 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:14:21,778 INFO L272 AbstractInterpreter]: Visited 143 different actions 421 times. Merged at 6 different actions 12 times. Never widened. Performed 4779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 00:14:21,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:21,780 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:14:21,920 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 84.61% of their original sizes. [2018-12-03 00:14:21,920 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:14:21,956 INFO L418 sIntCurrentIteration]: We unified 244 AI predicates to 244 [2018-12-03 00:14:21,956 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:14:21,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:14:21,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-03 00:14:21,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:14:21,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 00:14:21,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 00:14:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 00:14:21,957 INFO L87 Difference]: Start difference. First operand 2115 states and 2528 transitions. Second operand 10 states. [2018-12-03 00:14:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:25,230 INFO L93 Difference]: Finished difference Result 4991 states and 6069 transitions. [2018-12-03 00:14:25,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 00:14:25,231 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2018-12-03 00:14:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:25,237 INFO L225 Difference]: With dead ends: 4991 [2018-12-03 00:14:25,237 INFO L226 Difference]: Without dead ends: 2882 [2018-12-03 00:14:25,240 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-03 00:14:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2018-12-03 00:14:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2863. [2018-12-03 00:14:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2863 states. [2018-12-03 00:14:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 3457 transitions. [2018-12-03 00:14:25,281 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 3457 transitions. Word has length 245 [2018-12-03 00:14:25,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:25,282 INFO L480 AbstractCegarLoop]: Abstraction has 2863 states and 3457 transitions. [2018-12-03 00:14:25,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 00:14:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3457 transitions. [2018-12-03 00:14:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-03 00:14:25,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:25,285 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:25,285 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:25,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:25,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1356360498, now seen corresponding path program 1 times [2018-12-03 00:14:25,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:25,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:25,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:25,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:25,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-03 00:14:25,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:25,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:25,348 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-12-03 00:14:25,348 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:25,350 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:25,350 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:25,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:14:25,632 INFO L272 AbstractInterpreter]: Visited 147 different actions 724 times. Merged at 8 different actions 39 times. Never widened. Performed 8379 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8379 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 00:14:25,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:25,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:14:25,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:25,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/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 [2018-12-03 00:14:25,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:25,641 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:14:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:25,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:14:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-03 00:14:25,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:14:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-03 00:14:25,850 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:14:25,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 00:14:25,850 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:14:25,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 00:14:25,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 00:14:25,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-03 00:14:25,851 INFO L87 Difference]: Start difference. First operand 2863 states and 3457 transitions. Second operand 9 states. [2018-12-03 00:14:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:27,361 INFO L93 Difference]: Finished difference Result 8287 states and 10269 transitions. [2018-12-03 00:14:27,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-03 00:14:27,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 253 [2018-12-03 00:14:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:27,370 INFO L225 Difference]: With dead ends: 8287 [2018-12-03 00:14:27,370 INFO L226 Difference]: Without dead ends: 5278 [2018-12-03 00:14:27,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 526 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=288, Invalid=972, Unknown=0, NotChecked=0, Total=1260 [2018-12-03 00:14:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5278 states. [2018-12-03 00:14:27,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5278 to 4902. [2018-12-03 00:14:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2018-12-03 00:14:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 5742 transitions. [2018-12-03 00:14:27,430 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 5742 transitions. Word has length 253 [2018-12-03 00:14:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:27,430 INFO L480 AbstractCegarLoop]: Abstraction has 4902 states and 5742 transitions. [2018-12-03 00:14:27,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 00:14:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5742 transitions. [2018-12-03 00:14:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-03 00:14:27,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:14:27,435 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:14:27,435 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:14:27,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:27,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1772043503, now seen corresponding path program 1 times [2018-12-03 00:14:27,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:14:27,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:27,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:27,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:14:27,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:14:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 142 proven. 59 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-03 00:14:27,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:27,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:14:27,530 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-12-03 00:14:27,530 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:14:27,532 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:14:27,532 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:14:27,766 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:14:27,766 INFO L272 AbstractInterpreter]: Visited 147 different actions 586 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 6934 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6934 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 00:14:27,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:14:27,768 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:14:27,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:14:27,768 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/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 [2018-12-03 00:14:27,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:14:27,774 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:14:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:14:27,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:14:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-03 00:14:27,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:14:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 154 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-03 00:14:27,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:14:27,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-03 00:14:27,954 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:14:27,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 00:14:27,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 00:14:27,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-03 00:14:27,955 INFO L87 Difference]: Start difference. First operand 4902 states and 5742 transitions. Second operand 11 states. [2018-12-03 00:14:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:14:28,669 INFO L93 Difference]: Finished difference Result 9715 states and 11577 transitions. [2018-12-03 00:14:28,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 00:14:28,669 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2018-12-03 00:14:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:14:28,669 INFO L225 Difference]: With dead ends: 9715 [2018-12-03 00:14:28,670 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 00:14:28,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 530 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-12-03 00:14:28,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 00:14:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 00:14:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 00:14:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 00:14:28,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-12-03 00:14:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:14:28,679 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 00:14:28,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 00:14:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 00:14:28,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 00:14:28,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 00:14:28,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:28,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:14:29,677 WARN L180 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 90 [2018-12-03 00:14:29,902 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 54 [2018-12-03 00:14:30,073 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 56 [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,075 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,076 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 00:14:30,077 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 00:14:30,078 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,079 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,080 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 00:14:30,081 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 00:14:30,082 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 00:14:30,083 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 00:14:30,084 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 00:14:30,085 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,086 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= 0 |old(~a17~0)|)) (.cse22 (not (= 1 |old(~a25~0)|))) (.cse18 (= 0 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse5 (not (= 0 |old(~a11~0)|))) (.cse6 (not (= 8 |old(~a17~0)|)))) (let ((.cse9 (= 1 ~a11~0)) (.cse15 (not (= 1 |old(~a11~0)|))) (.cse19 (= 7 |old(~a17~0)|)) (.cse20 (not (= ~a17~0 7))) (.cse17 (<= ~a28~0 10)) (.cse12 (<= |old(~a28~0)| ~a28~0)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse16 (< 10 |old(~a28~0)|)) (.cse23 (= ~a17~0 8)) (.cse4 (= 10 |old(~a28~0)|)) (.cse13 (< |old(~a28~0)| 11)) (.cse25 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a19~0 1)) (.cse11 (not (= ~a17~0 0))) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse24 (and (or .cse0 .cse8 .cse22 .cse14 .cse18) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse14 .cse5 .cse6 (not (= 0 |old(~a25~0)|))))) (.cse21 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (= |calculate_output_#in~input| 0))) (and (or .cse0 (and .cse1 .cse2 (= ~a11~0 0) .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse3) .cse13 .cse14 .cse7 .cse15) (or .cse16 .cse15 (and .cse2 .cse9 .cse17 .cse12 .cse3)) (or .cse16 .cse4 .cse11 (or .cse0 .cse8 .cse14 .cse18 .cse7)) (or .cse19 .cse20 .cse21 .cse15) (or (or .cse0 (not .cse4) .cse22 .cse5 (not (= 0 |old(~a19~0)|))) .cse6 .cse7 .cse23) (or (and .cse2 .cse9) .cse21 .cse15) (or .cse20 .cse16 .cse19 .cse4) (or .cse0 .cse14 .cse23 .cse18 .cse6 .cse7 .cse15) (or .cse7 .cse23 .cse24 .cse6) (or .cse16 .cse22 .cse19 (and .cse2 .cse25 .cse20 .cse17 .cse12 .cse3)) (or .cse16 .cse4 (and .cse1 .cse2 .cse25 .cse3)) (or (and .cse25 .cse1 .cse23 .cse10 .cse3) .cse16 .cse0 .cse14 .cse18 .cse6 .cse7) (or .cse23 .cse0 .cse18 .cse4 .cse5 .cse6 .cse7) (or .cse13 (and .cse25 .cse1 .cse10 .cse11 .cse3) .cse24 .cse21 .cse7)))) [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 00:14:30,087 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 00:14:30,088 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 00:14:30,089 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 00:14:30,090 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 00:14:30,091 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-03 00:14:30,091 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 00:14:30,092 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 00:14:30,092 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-03 00:14:30,092 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a17~0 0))) (.cse0 (= ~a19~0 1)) (.cse3 (= 1 ~a11~0)) (.cse4 (= ~a17~0 8)) (.cse5 (<= ~a28~0 10)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (and .cse0 (= ~a25~0 1) .cse1) .cse2) (and .cse3 .cse1) (not (= 0 |old(~a11~0)|)) (and (and .cse4 .cse0) .cse5) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a19~0 ~a11~0))) (and .cse3 .cse5) (and (= ~a11~0 0) .cse4 .cse2) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-12-03 00:14:30,092 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 00:14:30,092 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 00:14:30,092 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= ~a28~0 10))) (.cse0 (= 1 ~a11~0)) (.cse3 (not (= ~a17~0 0))) (.cse1 (not (= main_~input~0 0))) (.cse5 (<= ~a28~0 10)) (.cse6 (= ~a17~0 8)) (.cse2 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (and .cse1 (and .cse2 (= ~a25~0 1) .cse3) .cse4) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse5) (and (= ~a11~0 0) .cse1 .cse6 .cse4) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (and .cse5 .cse4) (and .cse1 .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse5 .cse6 .cse2) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-03 00:14:30,092 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 00:14:30,092 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 00:14:30,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:14:30 BoogieIcfgContainer [2018-12-03 00:14:30,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 00:14:30,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:14:30,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:14:30,102 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:14:30,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:14:09" (3/4) ... [2018-12-03 00:14:30,105 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 00:14:30,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 00:14:30,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 00:14:30,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 00:14:30,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 00:14:30,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 00:14:30,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-12-03 00:14:30,206 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1447b74-771b-4043-970c-7b73eeed8501/bin-2019/utaipan/witness.graphml [2018-12-03 00:14:30,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:14:30,206 INFO L168 Benchmark]: Toolchain (without parser) took 21493.65 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 948.1 MB in the beginning and 1.6 GB in the end (delta: -621.7 MB). Peak memory consumption was 600.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 948.1 MB in the beginning and 1.2 GB in the end (delta: -210.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: Boogie Preprocessor took 37.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: RCFGBuilder took 568.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: TraceAbstraction took 20442.76 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -547.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,207 INFO L168 Benchmark]: Witness Printer took 103.80 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:14:30,208 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 948.1 MB in the beginning and 1.2 GB in the end (delta: -210.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 568.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20442.76 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -547.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 103.80 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.3s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 14.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 979 SDtfs, 7383 SDslu, 1167 SDs, 0 SdLazy, 10032 SolverSat, 1861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2113 GetRequests, 1969 SyntacticMatches, 7 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4902occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9971179037672355 AbsIntWeakeningRatio, 0.19872476089266738 AbsIntAvgWeakeningVarsNumRemoved, 26.054197662061636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 772 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 145 PreInvPairs, 225 NumberOfFragments, 776 HoareAnnotationTreeSize, 145 FomulaSimplifications, 16848 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6763 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1441/1659 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...