./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label56_false-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_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/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 08b7aa26e03024d3f4d1247f9fe7868985d0c8c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:38:01,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:38:01,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:38:01,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:38:01,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:38:01,724 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:38:01,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:38:01,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:38:01,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:38:01,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:38:01,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:38:01,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:38:01,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:38:01,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:38:01,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:38:01,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:38:01,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:38:01,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:38:01,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:38:01,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:38:01,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:38:01,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:38:01,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:38:01,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:38:01,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:38:01,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:38:01,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:38:01,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:38:01,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:38:01,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:38:01,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:38:01,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:38:01,739 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:38:01,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:38:01,740 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:38:01,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:38:01,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:38:01,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:38:01,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:38:01,751 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:38:01,751 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:38:01,751 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:38:01,751 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:38:01,751 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:38:01,751 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:38:01,752 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:38:01,752 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:38:01,752 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:38:01,752 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:38:01,752 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:38:01,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:38:01,753 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:38:01,753 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:38:01,753 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:38:01,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:38:01,753 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:38:01,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:38:01,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:38:01,754 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:38:01,754 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:38:01,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:38:01,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:38:01,755 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:38:01,755 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:38:01,755 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:38:01,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:38:01,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:38:01,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:38:01,756 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:38:01,756 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:38:01,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:38:01,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:38:01,756 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:38:01,756 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_5a031f19-b238-4199-8405-3c7deea81515/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 -> 08b7aa26e03024d3f4d1247f9fe7868985d0c8c2 [2018-12-09 18:38:01,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:38:01,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:38:01,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:38:01,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:38:01,789 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:38:01,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-12-09 18:38:01,824 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/data/182a7b264/608a079e8e7a4453b219ce50190e1a73/FLAG80b5441f1 [2018-12-09 18:38:02,251 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:38:02,251 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/sv-benchmarks/c/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-12-09 18:38:02,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/data/182a7b264/608a079e8e7a4453b219ce50190e1a73/FLAG80b5441f1 [2018-12-09 18:38:02,266 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/data/182a7b264/608a079e8e7a4453b219ce50190e1a73 [2018-12-09 18:38:02,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:38:02,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:38:02,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:02,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:38:02,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:38:02,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02, skipping insertion in model container [2018-12-09 18:38:02,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:38:02,302 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:38:02,499 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:02,502 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:38:02,582 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:02,591 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:38:02,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02 WrapperNode [2018-12-09 18:38:02,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:02,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:02,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:38:02,592 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:38:02,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:02,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:38:02,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:38:02,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:38:02,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... [2018-12-09 18:38:02,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:38:02,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:38:02,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:38:02,646 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:38:02,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:38:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:38:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:38:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:38:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:38:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:38:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:38:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:38:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:38:03,240 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:38:03,241 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:38:03,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:03 BoogieIcfgContainer [2018-12-09 18:38:03,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:38:03,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:38:03,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:38:03,243 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:38:03,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:38:02" (1/3) ... [2018-12-09 18:38:03,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:38:03, skipping insertion in model container [2018-12-09 18:38:03,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:02" (2/3) ... [2018-12-09 18:38:03,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:38:03, skipping insertion in model container [2018-12-09 18:38:03,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:03" (3/3) ... [2018-12-09 18:38:03,245 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label56_false-unreach-call_false-termination.c [2018-12-09 18:38:03,251 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:38:03,256 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:38:03,265 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:38:03,285 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:38:03,286 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:38:03,286 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:38:03,286 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:38:03,286 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:38:03,286 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:38:03,286 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:38:03,286 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:38:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 18:38:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 18:38:03,304 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:03,304 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] [2018-12-09 18:38:03,306 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:03,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:03,309 INFO L82 PathProgramCache]: Analyzing trace with hash -503641322, now seen corresponding path program 1 times [2018-12-09 18:38:03,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:03,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:03,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:03,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:03,339 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:03,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:03,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:38:03,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:03,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:38:03,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:38:03,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:38:03,545 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 18:38:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:03,984 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 18:38:03,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:38:03,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2018-12-09 18:38:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:03,995 INFO L225 Difference]: With dead ends: 547 [2018-12-09 18:38:03,995 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 18:38:03,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:38:04,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 18:38:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 18:38:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 18:38:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2018-12-09 18:38:04,038 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 82 [2018-12-09 18:38:04,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:04,038 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2018-12-09 18:38:04,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:38:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2018-12-09 18:38:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 18:38:04,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:04,040 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 18:38:04,041 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:04,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:04,041 INFO L82 PathProgramCache]: Analyzing trace with hash 613251555, now seen corresponding path program 1 times [2018-12-09 18:38:04,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:04,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:04,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:04,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:04,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:38:04,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:04,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:38:04,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:38:04,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:38:04,099 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand 3 states. [2018-12-09 18:38:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:04,367 INFO L93 Difference]: Finished difference Result 820 states and 1233 transitions. [2018-12-09 18:38:04,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:38:04,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2018-12-09 18:38:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:04,370 INFO L225 Difference]: With dead ends: 820 [2018-12-09 18:38:04,371 INFO L226 Difference]: Without dead ends: 548 [2018-12-09 18:38:04,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:38:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-12-09 18:38:04,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 413. [2018-12-09 18:38:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-09 18:38:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 593 transitions. [2018-12-09 18:38:04,387 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 593 transitions. Word has length 99 [2018-12-09 18:38:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:04,388 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 593 transitions. [2018-12-09 18:38:04,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:38:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 593 transitions. [2018-12-09 18:38:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 18:38:04,391 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:04,391 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:04,391 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:04,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:04,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1499324049, now seen corresponding path program 1 times [2018-12-09 18:38:04,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:04,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:04,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:04,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:04,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:38:04,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:04,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:38:04,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:38:04,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:38:04,487 INFO L87 Difference]: Start difference. First operand 413 states and 593 transitions. Second operand 6 states. [2018-12-09 18:38:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:04,860 INFO L93 Difference]: Finished difference Result 1116 states and 1631 transitions. [2018-12-09 18:38:04,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:38:04,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-12-09 18:38:04,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:04,862 INFO L225 Difference]: With dead ends: 1116 [2018-12-09 18:38:04,863 INFO L226 Difference]: Without dead ends: 709 [2018-12-09 18:38:04,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:38:04,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-09 18:38:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 699. [2018-12-09 18:38:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-09 18:38:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 950 transitions. [2018-12-09 18:38:04,879 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 950 transitions. Word has length 125 [2018-12-09 18:38:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:04,880 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 950 transitions. [2018-12-09 18:38:04,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:38:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 950 transitions. [2018-12-09 18:38:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 18:38:04,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:04,881 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:04,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:04,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:04,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1223806666, now seen corresponding path program 1 times [2018-12-09 18:38:04,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:04,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:04,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:04,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:04,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:04,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:04,947 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 18:38:04,949 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:04,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:04,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:05,274 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:38:05,275 INFO L272 AbstractInterpreter]: Visited 86 different actions 165 times. Merged at 3 different actions 3 times. Never widened. Performed 2520 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2520 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 18:38:05,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:05,284 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:38:05,490 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.23% of their original sizes. [2018-12-09 18:38:05,490 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:38:05,538 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 18:38:05,538 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:38:05,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:38:05,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:38:05,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:05,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:38:05,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:38:05,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:38:05,539 INFO L87 Difference]: Start difference. First operand 699 states and 950 transitions. Second operand 10 states. [2018-12-09 18:38:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:09,123 INFO L93 Difference]: Finished difference Result 2044 states and 2779 transitions. [2018-12-09 18:38:09,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 18:38:09,123 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-09 18:38:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:09,127 INFO L225 Difference]: With dead ends: 2044 [2018-12-09 18:38:09,127 INFO L226 Difference]: Without dead ends: 1351 [2018-12-09 18:38:09,128 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 18:38:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2018-12-09 18:38:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 836. [2018-12-09 18:38:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2018-12-09 18:38:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1099 transitions. [2018-12-09 18:38:09,148 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1099 transitions. Word has length 136 [2018-12-09 18:38:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:09,148 INFO L480 AbstractCegarLoop]: Abstraction has 836 states and 1099 transitions. [2018-12-09 18:38:09,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:38:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1099 transitions. [2018-12-09 18:38:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 18:38:09,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:09,150 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:38:09,151 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:09,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1037292775, now seen corresponding path program 1 times [2018-12-09 18:38:09,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:09,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:09,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:09,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:09,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 18:38:09,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:09,243 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:09,243 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-09 18:38:09,243 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:09,247 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:09,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:09,344 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:38:09,345 INFO L272 AbstractInterpreter]: Visited 87 different actions 168 times. Merged at 4 different actions 4 times. Never widened. Performed 2424 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2424 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 18:38:09,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:09,347 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:38:09,529 INFO L227 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 81.24% of their original sizes. [2018-12-09 18:38:09,529 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:38:09,560 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-09 18:38:09,561 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:38:09,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:38:09,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:38:09,561 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:09,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:38:09,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:38:09,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:38:09,562 INFO L87 Difference]: Start difference. First operand 836 states and 1099 transitions. Second operand 10 states. [2018-12-09 18:38:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:11,261 INFO L93 Difference]: Finished difference Result 1940 states and 2532 transitions. [2018-12-09 18:38:11,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:38:11,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-12-09 18:38:11,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:11,264 INFO L225 Difference]: With dead ends: 1940 [2018-12-09 18:38:11,264 INFO L226 Difference]: Without dead ends: 1110 [2018-12-09 18:38:11,265 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:38:11,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2018-12-09 18:38:11,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1108. [2018-12-09 18:38:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2018-12-09 18:38:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1395 transitions. [2018-12-09 18:38:11,288 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1395 transitions. Word has length 148 [2018-12-09 18:38:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:11,289 INFO L480 AbstractCegarLoop]: Abstraction has 1108 states and 1395 transitions. [2018-12-09 18:38:11,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:38:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1395 transitions. [2018-12-09 18:38:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 18:38:11,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:11,291 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:11,291 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:11,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:11,291 INFO L82 PathProgramCache]: Analyzing trace with hash -187348110, now seen corresponding path program 1 times [2018-12-09 18:38:11,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:11,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:11,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:11,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:11,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 79 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 18:38:11,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:11,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:11,328 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-09 18:38:11,329 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:11,332 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:11,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:11,471 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:38:11,471 INFO L272 AbstractInterpreter]: Visited 88 different actions 262 times. Merged at 6 different actions 18 times. Never widened. Performed 3903 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3903 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 18:38:11,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:11,472 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:38:11,586 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 83.01% of their original sizes. [2018-12-09 18:38:11,587 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:38:11,615 INFO L418 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-12-09 18:38:11,615 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:38:11,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:38:11,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-09 18:38:11,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:11,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:38:11,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:38:11,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:38:11,616 INFO L87 Difference]: Start difference. First operand 1108 states and 1395 transitions. Second operand 9 states. [2018-12-09 18:38:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:13,191 INFO L93 Difference]: Finished difference Result 2099 states and 2718 transitions. [2018-12-09 18:38:13,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:38:13,192 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-12-09 18:38:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:13,195 INFO L225 Difference]: With dead ends: 2099 [2018-12-09 18:38:13,195 INFO L226 Difference]: Without dead ends: 1269 [2018-12-09 18:38:13,197 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:38:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2018-12-09 18:38:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1253. [2018-12-09 18:38:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2018-12-09 18:38:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1571 transitions. [2018-12-09 18:38:13,214 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1571 transitions. Word has length 159 [2018-12-09 18:38:13,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:13,215 INFO L480 AbstractCegarLoop]: Abstraction has 1253 states and 1571 transitions. [2018-12-09 18:38:13,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:38:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1571 transitions. [2018-12-09 18:38:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 18:38:13,217 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:13,217 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:13,217 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:13,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:13,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1873438623, now seen corresponding path program 1 times [2018-12-09 18:38:13,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:13,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:13,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:13,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:13,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 93 proven. 20 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 18:38:13,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:13,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:13,255 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-09 18:38:13,255 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [25], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:13,257 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:13,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:13,503 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:13,503 INFO L272 AbstractInterpreter]: Visited 90 different actions 446 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 6971 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6971 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 18:38:13,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:13,506 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:13,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:13,506 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:13,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:13,513 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:13,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 18:38:13,607 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 93 proven. 20 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 18:38:13,690 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:13,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 18:38:13,690 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:13,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 18:38:13,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 18:38:13,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:38:13,691 INFO L87 Difference]: Start difference. First operand 1253 states and 1571 transitions. Second operand 8 states. [2018-12-09 18:38:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:15,054 INFO L93 Difference]: Finished difference Result 4186 states and 5573 transitions. [2018-12-09 18:38:15,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 18:38:15,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2018-12-09 18:38:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:15,060 INFO L225 Difference]: With dead ends: 4186 [2018-12-09 18:38:15,060 INFO L226 Difference]: Without dead ends: 2786 [2018-12-09 18:38:15,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2018-12-09 18:38:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2018-12-09 18:38:15,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2073. [2018-12-09 18:38:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2073 states. [2018-12-09 18:38:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 2363 transitions. [2018-12-09 18:38:15,092 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 2363 transitions. Word has length 172 [2018-12-09 18:38:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:15,093 INFO L480 AbstractCegarLoop]: Abstraction has 2073 states and 2363 transitions. [2018-12-09 18:38:15,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 18:38:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2363 transitions. [2018-12-09 18:38:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 18:38:15,095 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:15,095 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:38:15,096 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:15,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:15,096 INFO L82 PathProgramCache]: Analyzing trace with hash -606078437, now seen corresponding path program 1 times [2018-12-09 18:38:15,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:15,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:15,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 107 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 18:38:15,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:15,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:15,159 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-09 18:38:15,160 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:15,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:15,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:15,238 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:38:15,238 INFO L272 AbstractInterpreter]: Visited 87 different actions 168 times. Merged at 4 different actions 4 times. Never widened. Performed 2485 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2485 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 18:38:15,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:15,239 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:38:15,363 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 81.3% of their original sizes. [2018-12-09 18:38:15,363 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:38:15,415 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-09 18:38:15,415 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:38:15,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:38:15,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:38:15,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:15,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:38:15,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:38:15,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:38:15,416 INFO L87 Difference]: Start difference. First operand 2073 states and 2363 transitions. Second operand 10 states. [2018-12-09 18:38:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:18,541 INFO L93 Difference]: Finished difference Result 4142 states and 4749 transitions. [2018-12-09 18:38:18,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:38:18,541 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-12-09 18:38:18,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:18,544 INFO L225 Difference]: With dead ends: 4142 [2018-12-09 18:38:18,544 INFO L226 Difference]: Without dead ends: 2347 [2018-12-09 18:38:18,546 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:38:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2018-12-09 18:38:18,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2345. [2018-12-09 18:38:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2345 states. [2018-12-09 18:38:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2658 transitions. [2018-12-09 18:38:18,571 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2658 transitions. Word has length 181 [2018-12-09 18:38:18,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:18,571 INFO L480 AbstractCegarLoop]: Abstraction has 2345 states and 2658 transitions. [2018-12-09 18:38:18,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:38:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2658 transitions. [2018-12-09 18:38:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:18,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:18,574 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:38:18,574 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:18,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:18,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1555342816, now seen corresponding path program 1 times [2018-12-09 18:38:18,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:18,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:18,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:18,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:18,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 104 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 18:38:18,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:18,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:18,652 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-12-09 18:38:18,652 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:18,655 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:18,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:18,856 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:18,856 INFO L272 AbstractInterpreter]: Visited 89 different actions 355 times. Merged at 8 different actions 32 times. Never widened. Performed 5427 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5427 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 18:38:18,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:18,858 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:18,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:18,858 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:18,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:18,864 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:18,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 18:38:18,940 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 109 proven. 54 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 18:38:19,004 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:19,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 18:38:19,005 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:19,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 18:38:19,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 18:38:19,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:38:19,005 INFO L87 Difference]: Start difference. First operand 2345 states and 2658 transitions. Second operand 11 states. [2018-12-09 18:38:19,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:19,744 INFO L93 Difference]: Finished difference Result 5316 states and 6078 transitions. [2018-12-09 18:38:19,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:38:19,745 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2018-12-09 18:38:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:19,750 INFO L225 Difference]: With dead ends: 5316 [2018-12-09 18:38:19,750 INFO L226 Difference]: Without dead ends: 3384 [2018-12-09 18:38:19,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 379 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:38:19,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2018-12-09 18:38:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 3376. [2018-12-09 18:38:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3376 states. [2018-12-09 18:38:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 3787 transitions. [2018-12-09 18:38:19,789 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 3787 transitions. Word has length 189 [2018-12-09 18:38:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:19,789 INFO L480 AbstractCegarLoop]: Abstraction has 3376 states and 3787 transitions. [2018-12-09 18:38:19,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 18:38:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 3787 transitions. [2018-12-09 18:38:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 18:38:19,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:19,793 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:19,793 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:19,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:19,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1906355232, now seen corresponding path program 1 times [2018-12-09 18:38:19,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:19,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:19,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:19,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:19,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 124 proven. 65 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 18:38:19,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:19,883 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:19,883 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-09 18:38:19,883 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:19,884 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:19,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:20,029 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:38:20,030 INFO L272 AbstractInterpreter]: Visited 88 different actions 256 times. Merged at 6 different actions 12 times. Never widened. Performed 3697 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3697 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 18:38:20,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:20,031 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:38:20,166 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 82.83% of their original sizes. [2018-12-09 18:38:20,166 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:38:20,198 INFO L418 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-12-09 18:38:20,199 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:38:20,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:38:20,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 18:38:20,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:20,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:38:20,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:38:20,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:38:20,199 INFO L87 Difference]: Start difference. First operand 3376 states and 3787 transitions. Second operand 9 states. [2018-12-09 18:38:21,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:21,455 INFO L93 Difference]: Finished difference Result 6621 states and 7481 transitions. [2018-12-09 18:38:21,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:38:21,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 198 [2018-12-09 18:38:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:21,461 INFO L225 Difference]: With dead ends: 6621 [2018-12-09 18:38:21,461 INFO L226 Difference]: Without dead ends: 3795 [2018-12-09 18:38:21,464 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:38:21,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2018-12-09 18:38:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3789. [2018-12-09 18:38:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3789 states. [2018-12-09 18:38:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3789 states and 4240 transitions. [2018-12-09 18:38:21,503 INFO L78 Accepts]: Start accepts. Automaton has 3789 states and 4240 transitions. Word has length 198 [2018-12-09 18:38:21,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:21,503 INFO L480 AbstractCegarLoop]: Abstraction has 3789 states and 4240 transitions. [2018-12-09 18:38:21,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:38:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 4240 transitions. [2018-12-09 18:38:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 18:38:21,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:21,508 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:21,508 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:21,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:21,508 INFO L82 PathProgramCache]: Analyzing trace with hash -794211813, now seen corresponding path program 1 times [2018-12-09 18:38:21,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:21,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:21,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:21,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:21,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 118 proven. 76 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 18:38:21,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:21,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:21,571 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-12-09 18:38:21,571 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:21,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:21,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:21,781 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:21,781 INFO L272 AbstractInterpreter]: Visited 90 different actions 360 times. Merged at 9 different actions 33 times. Never widened. Performed 5481 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5481 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 18:38:21,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:21,783 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:21,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:21,783 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:21,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:21,819 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:21,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 18:38:21,903 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 20 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 18:38:21,959 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:21,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 18:38:21,959 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:21,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 18:38:21,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 18:38:21,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-09 18:38:21,960 INFO L87 Difference]: Start difference. First operand 3789 states and 4240 transitions. Second operand 12 states. [2018-12-09 18:38:23,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:23,589 INFO L93 Difference]: Finished difference Result 9700 states and 11299 transitions. [2018-12-09 18:38:23,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 18:38:23,589 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 202 [2018-12-09 18:38:23,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:23,600 INFO L225 Difference]: With dead ends: 9700 [2018-12-09 18:38:23,600 INFO L226 Difference]: Without dead ends: 6054 [2018-12-09 18:38:23,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2018-12-09 18:38:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6054 states. [2018-12-09 18:38:23,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6054 to 5897. [2018-12-09 18:38:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5897 states. [2018-12-09 18:38:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 5897 states and 6776 transitions. [2018-12-09 18:38:23,676 INFO L78 Accepts]: Start accepts. Automaton has 5897 states and 6776 transitions. Word has length 202 [2018-12-09 18:38:23,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:23,676 INFO L480 AbstractCegarLoop]: Abstraction has 5897 states and 6776 transitions. [2018-12-09 18:38:23,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 18:38:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 6776 transitions. [2018-12-09 18:38:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 18:38:23,682 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:23,683 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:38:23,683 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:23,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:23,683 INFO L82 PathProgramCache]: Analyzing trace with hash -713148050, now seen corresponding path program 1 times [2018-12-09 18:38:23,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:23,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:23,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:23,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:23,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 178 proven. 55 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 18:38:23,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:23,766 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:23,766 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-09 18:38:23,766 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:23,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:23,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:23,951 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:23,951 INFO L272 AbstractInterpreter]: Visited 89 different actions 353 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 5543 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5543 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 18:38:23,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:23,955 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:23,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:23,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:23,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:23,961 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:24,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 18:38:24,098 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 159 proven. 15 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 18:38:24,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:24,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 18:38:24,310 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:24,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 18:38:24,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 18:38:24,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-09 18:38:24,311 INFO L87 Difference]: Start difference. First operand 5897 states and 6776 transitions. Second operand 12 states. [2018-12-09 18:38:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:25,948 INFO L93 Difference]: Finished difference Result 13778 states and 17479 transitions. [2018-12-09 18:38:25,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 18:38:25,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 214 [2018-12-09 18:38:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:25,972 INFO L225 Difference]: With dead ends: 13778 [2018-12-09 18:38:25,973 INFO L226 Difference]: Without dead ends: 8208 [2018-12-09 18:38:25,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=403, Invalid=1319, Unknown=0, NotChecked=0, Total=1722 [2018-12-09 18:38:25,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8208 states. [2018-12-09 18:38:26,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8208 to 7786. [2018-12-09 18:38:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7786 states. [2018-12-09 18:38:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7786 states to 7786 states and 8943 transitions. [2018-12-09 18:38:26,106 INFO L78 Accepts]: Start accepts. Automaton has 7786 states and 8943 transitions. Word has length 214 [2018-12-09 18:38:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:26,106 INFO L480 AbstractCegarLoop]: Abstraction has 7786 states and 8943 transitions. [2018-12-09 18:38:26,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 18:38:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7786 states and 8943 transitions. [2018-12-09 18:38:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 18:38:26,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:26,114 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-12-09 18:38:26,114 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:26,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:26,115 INFO L82 PathProgramCache]: Analyzing trace with hash -218896157, now seen corresponding path program 1 times [2018-12-09 18:38:26,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:26,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:26,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:26,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:26,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 235 proven. 87 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 18:38:26,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:26,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:26,222 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-12-09 18:38:26,222 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:26,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:26,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:26,415 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:26,415 INFO L272 AbstractInterpreter]: Visited 90 different actions 362 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 5736 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5736 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 18:38:26,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:26,419 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:26,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:26,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:26,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:26,426 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:26,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 264 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 18:38:26,564 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 203 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-09 18:38:26,756 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:26,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 18:38:26,757 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:26,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 18:38:26,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 18:38:26,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-09 18:38:26,757 INFO L87 Difference]: Start difference. First operand 7786 states and 8943 transitions. Second operand 12 states. [2018-12-09 18:38:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:27,592 INFO L93 Difference]: Finished difference Result 11919 states and 13499 transitions. [2018-12-09 18:38:27,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 18:38:27,593 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 239 [2018-12-09 18:38:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:27,604 INFO L225 Difference]: With dead ends: 11919 [2018-12-09 18:38:27,604 INFO L226 Difference]: Without dead ends: 6848 [2018-12-09 18:38:27,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2018-12-09 18:38:27,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6848 states. [2018-12-09 18:38:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6848 to 5354. [2018-12-09 18:38:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5354 states. [2018-12-09 18:38:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 5860 transitions. [2018-12-09 18:38:27,680 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 5860 transitions. Word has length 239 [2018-12-09 18:38:27,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:27,680 INFO L480 AbstractCegarLoop]: Abstraction has 5354 states and 5860 transitions. [2018-12-09 18:38:27,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 18:38:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 5860 transitions. [2018-12-09 18:38:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 18:38:27,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:27,684 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:38:27,684 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:27,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,684 INFO L82 PathProgramCache]: Analyzing trace with hash 317255608, now seen corresponding path program 1 times [2018-12-09 18:38:27,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:27,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 210 proven. 24 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 18:38:27,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:27,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:27,754 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-12-09 18:38:27,754 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [301], [303], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 18:38:27,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:27,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:27,948 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:27,948 INFO L272 AbstractInterpreter]: Visited 91 different actions 362 times. Merged at 9 different actions 31 times. Never widened. Performed 5641 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 42 variables. [2018-12-09 18:38:27,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,952 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:27,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:27,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:38:27,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,959 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 293 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 18:38:28,042 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 210 proven. 24 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 18:38:28,118 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:28,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 18:38:28,118 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:28,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:38:28,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:38:28,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:38:28,119 INFO L87 Difference]: Start difference. First operand 5354 states and 5860 transitions. Second operand 9 states. [2018-12-09 18:38:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:28,597 INFO L93 Difference]: Finished difference Result 11230 states and 12419 transitions. [2018-12-09 18:38:28,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:38:28,598 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 243 [2018-12-09 18:38:28,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:28,606 INFO L225 Difference]: With dead ends: 11230 [2018-12-09 18:38:28,606 INFO L226 Difference]: Without dead ends: 6829 [2018-12-09 18:38:28,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 485 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:38:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2018-12-09 18:38:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 4230. [2018-12-09 18:38:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4230 states. [2018-12-09 18:38:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 4230 states and 4548 transitions. [2018-12-09 18:38:28,675 INFO L78 Accepts]: Start accepts. Automaton has 4230 states and 4548 transitions. Word has length 243 [2018-12-09 18:38:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:28,675 INFO L480 AbstractCegarLoop]: Abstraction has 4230 states and 4548 transitions. [2018-12-09 18:38:28,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:38:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4230 states and 4548 transitions. [2018-12-09 18:38:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 18:38:28,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:28,678 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 18:38:28,678 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:28,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:28,678 INFO L82 PathProgramCache]: Analyzing trace with hash 377203419, now seen corresponding path program 1 times [2018-12-09 18:38:28,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:28,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:28,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:28,779 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:38:28,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:38:28 BoogieIcfgContainer [2018-12-09 18:38:28,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:38:28,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:38:28,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:38:28,858 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:38:28,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:03" (3/4) ... [2018-12-09 18:38:28,860 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 18:38:28,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a031f19-b238-4199-8405-3c7deea81515/bin-2019/utaipan/witness.graphml [2018-12-09 18:38:28,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:38:28,940 INFO L168 Benchmark]: Toolchain (without parser) took 26670.97 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 941.6 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,941 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:38:28,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,941 INFO L168 Benchmark]: Boogie Preprocessor took 35.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,942 INFO L168 Benchmark]: RCFGBuilder took 594.72 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,942 INFO L168 Benchmark]: TraceAbstraction took 25615.83 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,942 INFO L168 Benchmark]: Witness Printer took 81.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:28,944 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.72 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25615.83 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 81.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 404]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; VAL [\old(a)=31, \old(a12)=27, \old(a16)=24, \old(a17)=18, \old(a20)=19, \old(a21)=23, \old(a7)=26, \old(a8)=34, \old(b)=20, \old(c)=21, \old(d)=29, \old(e)=17, \old(f)=28, \old(u)=32, \old(v)=16, \old(w)=30, \old(x)=22, \old(y)=33, \old(z)=25, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L580] int output = -1; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L333] COND TRUE ((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15))) [L334] a17 = 0 [L335] a16 = 4 [L336] return 21; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, \result=21, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, calculate_output(input)=21, d=4, e=5, f=6, input=3, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, output=21, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L268] COND TRUE (((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4)) [L269] a20 = 0 [L270] a17 = 1 [L271] a16 = 6 [L272] return 21; VAL [\old(a16)=4, \old(a17)=0, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, \result=21, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, calculate_output(input)=21, d=4, e=5, f=6, input=4, output=21, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, output=21, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L63] a17 = 0 [L64] return 26; VAL [\old(a16)=6, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=4, \result=26, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, calculate_output(input)=26, d=4, e=5, f=6, input=4, output=21, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND TRUE ((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))))))) [L73] a7 = 1 [L74] a17 = 1 [L75] a21 = 0 [L76] a20 = 1 [L77] a8 = 13 [L78] a16 = 5 [L79] return 26; VAL [\old(a16)=6, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, \result=26, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, calculate_output(input)=26, d=4, e=5, f=6, input=1, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND TRUE ((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1))) [L224] a21 = 1 [L225] a8 = 14 [L226] a16 = 4 [L227] a20 = 0 [L228] a7 = 0 [L229] a17 = 0 [L230] return -1; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=0, \old(a7)=1, \old(a8)=13, \old(input)=2, \result=-1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, calculate_output(input)=-1, d=4, e=5, f=6, input=2, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL calculate_output(input) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L403] COND TRUE ((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1)) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L404] __VERIFIER_error() VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=14, \old(input)=4, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=14, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. UNSAFE Result, 25.5s OverallTime, 15 OverallIterations, 7 TraceHistogramMax, 19.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 662 SDtfs, 15254 SDslu, 1195 SDs, 0 SdLazy, 16940 SolverSat, 2830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3631 GetRequests, 3370 SyntacticMatches, 8 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7786occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 11 AbstIntIterations, 5 AbstIntStrong, 0.9963021681665777 AbsIntWeakeningRatio, 0.2582619339045288 AbsIntAvgWeakeningVarsNumRemoved, 27.840881272949815 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 6079 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3913 NumberOfCodeBlocks, 3913 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1808225 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3876 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 26 InterpolantComputations, 3 PerfectInterpolantSequences, 5168/5762 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...