./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29670da151301b8436a6c7ddafad57f5257b4a8d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished with exit code -9 Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:36:31,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:36:31,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:36:31,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:36:31,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:36:31,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:36:31,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:36:31,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:36:31,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:36:31,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:36:31,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:36:31,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:36:31,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:36:31,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:36:31,591 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:36:31,592 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:36:31,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:36:31,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:36:31,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:36:31,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:36:31,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:36:31,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:36:31,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:36:31,597 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:36:31,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:36:31,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:36:31,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:36:31,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:36:31,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:36:31,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:36:31,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:36:31,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:36:31,601 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:36:31,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:36:31,602 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:36:31,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:36:31,603 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 04:36:31,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:36:31,611 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:36:31,612 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:36:31,612 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:36:31,612 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:36:31,612 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 04:36:31,612 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 04:36:31,612 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 04:36:31,612 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 04:36:31,613 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:36:31,613 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:36:31,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 04:36:31,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:36:31,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:36:31,615 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 04:36:31,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:36:31,615 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:36:31,615 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 04:36:31,616 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 04:36:31,616 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-11-23 04:36:31,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:36:31,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:36:31,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:36:31,653 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:36:31,653 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:36:31,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:36:31,701 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/data/ced952647/0ec54b03baea4789b5ba44b0b6ce8915/FLAG54a30c604 [2018-11-23 04:36:32,102 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:36:32,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:36:32,111 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/data/ced952647/0ec54b03baea4789b5ba44b0b6ce8915/FLAG54a30c604 [2018-11-23 04:36:32,461 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/data/ced952647/0ec54b03baea4789b5ba44b0b6ce8915 [2018-11-23 04:36:32,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:36:32,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:36:32,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:36:32,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:36:32,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:36:32,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32, skipping insertion in model container [2018-11-23 04:36:32,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:36:32,512 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:36:32,750 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:36:32,753 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:36:32,820 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:36:32,834 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:36:32,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32 WrapperNode [2018-11-23 04:36:32,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:36:32,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:36:32,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:36:32,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:36:32,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:36:32,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:36:32,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:36:32,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:36:32,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... [2018-11-23 04:36:32,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:36:32,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:36:32,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:36:32,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:36:32,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:36:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:36:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:36:33,890 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:36:33,890 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 04:36:33,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:36:33 BoogieIcfgContainer [2018-11-23 04:36:33,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:36:33,891 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 04:36:33,891 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 04:36:33,894 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 04:36:33,894 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:36:33,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 04:36:32" (1/3) ... [2018-11-23 04:36:33,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@351230f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:36:33, skipping insertion in model container [2018-11-23 04:36:33,896 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:36:33,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:36:32" (2/3) ... [2018-11-23 04:36:33,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@351230f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:36:33, skipping insertion in model container [2018-11-23 04:36:33,896 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:36:33,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:36:33" (3/3) ... [2018-11-23 04:36:33,898 INFO L375 chiAutomizerObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:36:33,934 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:36:33,934 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 04:36:33,934 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 04:36:33,934 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 04:36:33,934 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:36:33,935 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:36:33,935 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 04:36:33,935 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:36:33,935 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 04:36:33,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states. [2018-11-23 04:36:33,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 192 [2018-11-23 04:36:33,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:33,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:33,978 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 04:36:33,978 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 04:36:33,978 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 04:36:33,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states. [2018-11-23 04:36:33,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 192 [2018-11-23 04:36:33,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:33,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:33,984 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 04:36:33,984 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 04:36:33,989 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue ~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 11#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~input~0, main_~output~0;main_~output~0 := -1; 87#L583-2true [2018-11-23 04:36:33,990 INFO L796 eck$LassoCheckResult]: Loop: 87#L583-2true assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 6#L588true assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 48#L31true assume (15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0;~a16~0 := 5;~a20~0 := 0;calculate_output_#res := 24; 107#L574true main_#t~ret3 := calculate_output_#res;main_~output~0 := main_#t~ret3;havoc main_#t~ret3; 87#L583-2true [2018-11-23 04:36:33,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:33,994 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 04:36:33,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:33,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:34,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:34,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:34,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1268024, now seen corresponding path program 1 times [2018-11-23 04:36:34,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:34,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:34,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:34,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:34,088 INFO L82 PathProgramCache]: Analyzing trace with hash 889695226, now seen corresponding path program 1 times [2018-11-23 04:36:34,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:34,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:34,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:34,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:34,224 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:34,225 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:34,225 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:34,226 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:34,226 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 04:36:34,226 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,226 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:34,226 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:34,226 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration1_Loop [2018-11-23 04:36:34,226 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:34,227 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:34,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,406 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:34,406 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,422 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,422 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,432 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,432 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,451 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,451 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,457 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,457 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a17~0=1} Honda state: {~a17~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,479 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,479 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,489 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,489 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a16~0=5} Honda state: {~a16~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,510 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,511 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,517 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,518 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=1, ULTIMATE.start_main_#t~nondet2=1, ULTIMATE.start_calculate_output_~input=1, ULTIMATE.start_calculate_output_#in~input=1} Honda state: {ULTIMATE.start_main_~input~0=1, ULTIMATE.start_main_#t~nondet2=1, ULTIMATE.start_calculate_output_~input=1, ULTIMATE.start_calculate_output_#in~input=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,546 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,546 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a7~0=4} Honda state: {~a7~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,567 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,573 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,573 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,594 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,594 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,609 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,609 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#res=24, ULTIMATE.start_main_~output~0=24} Honda state: {ULTIMATE.start_calculate_output_#res=24, ULTIMATE.start_main_~output~0=24} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,627 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,633 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:34,633 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,662 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:34,662 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 04:36:34,681 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:34,685 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 04:36:34,700 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:34,700 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:34,701 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:34,701 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:34,701 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 04:36:34,701 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:34,701 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:34,701 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:34,701 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration1_Loop [2018-11-23 04:36:34,701 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:34,702 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:34,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:34,880 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:34,884 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 04:36:34,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,887 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,888 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,892 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,894 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,894 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,899 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,900 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 04:36:34,900 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,901 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 04:36:34,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,911 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,912 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,912 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,913 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,920 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,921 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,921 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 04:36:34,921 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,922 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 04:36:34,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,925 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,926 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,926 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,930 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,931 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,934 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,935 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:34,939 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:34,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:34,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:34,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:34,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:34,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:34,941 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:34,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:34,944 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 04:36:34,948 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 04:36:34,948 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 04:36:34,950 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 04:36:34,950 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 04:36:34,950 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 04:36:34,950 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a20~0) = 1*~a20~0 Supporting invariants [] [2018-11-23 04:36:34,951 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 04:36:34,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:34,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:35,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:35,031 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 04:36:35,032 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 197 states. Second operand 4 states. [2018-11-23 04:36:35,585 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 197 states.. Second operand 4 states. Result 786 states and 1263 transitions. Complement of second has 6 states. [2018-11-23 04:36:35,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 04:36:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 04:36:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 624 transitions. [2018-11-23 04:36:35,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-23 04:36:35,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:35,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-23 04:36:35,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:35,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 624 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-23 04:36:35,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:35,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 786 states and 1263 transitions. [2018-11-23 04:36:35,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 383 [2018-11-23 04:36:35,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 786 states to 580 states and 920 transitions. [2018-11-23 04:36:35,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 386 [2018-11-23 04:36:35,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 388 [2018-11-23 04:36:35,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 580 states and 920 transitions. [2018-11-23 04:36:35,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 04:36:35,616 INFO L705 BuchiCegarLoop]: Abstraction has 580 states and 920 transitions. [2018-11-23 04:36:35,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states and 920 transitions. [2018-11-23 04:36:35,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 578. [2018-11-23 04:36:35,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-11-23 04:36:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 918 transitions. [2018-11-23 04:36:35,652 INFO L728 BuchiCegarLoop]: Abstraction has 578 states and 918 transitions. [2018-11-23 04:36:35,652 INFO L608 BuchiCegarLoop]: Abstraction has 578 states and 918 transitions. [2018-11-23 04:36:35,652 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 04:36:35,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 578 states and 918 transitions. [2018-11-23 04:36:35,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 383 [2018-11-23 04:36:35,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:35,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:35,656 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 04:36:35,656 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:36:35,656 INFO L794 eck$LassoCheckResult]: Stem: 1294#ULTIMATE.startENTRY ~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 1057#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~input~0, main_~output~0;main_~output~0 := -1; 1058#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 1041#L588 [2018-11-23 04:36:35,656 INFO L796 eck$LassoCheckResult]: Loop: 1041#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 1042#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 1220#L35 assume !((((((5 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 1067#L43 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 1068#L49 assume 1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0;~a8~0 := 13;~a7~0 := 1;~a16~0 := 4;calculate_output_#res := -1; 1027#L574 main_#t~ret3 := calculate_output_#res;main_~output~0 := main_#t~ret3;havoc main_#t~ret3; 1317#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 1041#L588 [2018-11-23 04:36:35,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:35,656 INFO L82 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2018-11-23 04:36:35,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:35,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:35,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:35,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:35,665 INFO L82 PathProgramCache]: Analyzing trace with hash -610794083, now seen corresponding path program 1 times [2018-11-23 04:36:35,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:35,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:35,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:35,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:35,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1479452906, now seen corresponding path program 1 times [2018-11-23 04:36:35,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:35,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:35,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:35,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:35,779 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:35,779 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:35,779 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:35,779 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:35,779 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 04:36:35,779 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:35,780 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:35,780 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:35,780 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration2_Loop [2018-11-23 04:36:35,780 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:35,780 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:35,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,896 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:35,896 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:35,900 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:35,900 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:35,929 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 04:36:35,930 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:35,954 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 04:36:35,956 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:35,956 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:35,956 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:35,956 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:35,956 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 04:36:35,956 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:35,956 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:35,956 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:35,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration2_Loop [2018-11-23 04:36:35,956 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:35,956 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:35,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:35,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,151 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:36,151 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 04:36:36,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,152 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,152 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 04:36:36,153 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,153 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 04:36:36,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,160 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,160 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,163 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,163 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,164 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,164 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,171 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,171 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,172 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,180 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,182 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,182 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,182 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,183 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,191 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,192 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,193 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:36,194 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:36,194 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:36,194 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:36,194 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:36,194 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:36,194 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:36,195 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:36,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:36,197 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 04:36:36,200 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 04:36:36,200 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 04:36:36,200 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 04:36:36,200 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 04:36:36,201 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 04:36:36,204 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a8~0) = 1*~a8~0 Supporting invariants [] [2018-11-23 04:36:36,205 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 04:36:36,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:36,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:36,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:36,262 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 04:36:36,262 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 578 states and 918 transitions. cyclomatic complexity: 343 Second operand 4 states. [2018-11-23 04:36:36,670 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 578 states and 918 transitions. cyclomatic complexity: 343. Second operand 4 states. Result 1929 states and 2998 transitions. Complement of second has 6 states. [2018-11-23 04:36:36,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 04:36:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 04:36:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 629 transitions. [2018-11-23 04:36:36,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 3 letters. Loop has 7 letters. [2018-11-23 04:36:36,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:36,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 10 letters. Loop has 7 letters. [2018-11-23 04:36:36,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:36,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 629 transitions. Stem has 3 letters. Loop has 14 letters. [2018-11-23 04:36:36,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:36,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1929 states and 2998 transitions. [2018-11-23 04:36:36,685 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 765 [2018-11-23 04:36:36,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1929 states to 1735 states and 2676 transitions. [2018-11-23 04:36:36,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 770 [2018-11-23 04:36:36,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 773 [2018-11-23 04:36:36,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1735 states and 2676 transitions. [2018-11-23 04:36:36,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 04:36:36,696 INFO L705 BuchiCegarLoop]: Abstraction has 1735 states and 2676 transitions. [2018-11-23 04:36:36,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states and 2676 transitions. [2018-11-23 04:36:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1732. [2018-11-23 04:36:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1732 states. [2018-11-23 04:36:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2673 transitions. [2018-11-23 04:36:36,730 INFO L728 BuchiCegarLoop]: Abstraction has 1732 states and 2673 transitions. [2018-11-23 04:36:36,730 INFO L608 BuchiCegarLoop]: Abstraction has 1732 states and 2673 transitions. [2018-11-23 04:36:36,730 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 04:36:36,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1732 states and 2673 transitions. [2018-11-23 04:36:36,738 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 765 [2018-11-23 04:36:36,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:36,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:36,739 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 04:36:36,739 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:36:36,739 INFO L794 eck$LassoCheckResult]: Stem: 3859#ULTIMATE.startENTRY ~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 3616#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~input~0, main_~output~0;main_~output~0 := -1; 3617#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 4667#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 3601#L31 [2018-11-23 04:36:36,739 INFO L796 eck$LassoCheckResult]: Loop: 3601#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 3780#L35 assume !((((((5 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 4003#L43 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 4546#L49 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 4541#L54 assume !((3 == calculate_output_~input && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 3918#L62 assume (1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0;~a17~0 := 0;calculate_output_#res := 26; 3586#L574 main_#t~ret3 := calculate_output_#res;main_~output~0 := main_#t~ret3;havoc main_#t~ret3; 3885#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 3600#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 3601#L31 [2018-11-23 04:36:36,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:36,739 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2018-11-23 04:36:36,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:36,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:36,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:36,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:36,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:36,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1383516540, now seen corresponding path program 1 times [2018-11-23 04:36:36,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:36,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:36,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:36,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:36,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:36,763 INFO L82 PathProgramCache]: Analyzing trace with hash -103207691, now seen corresponding path program 1 times [2018-11-23 04:36:36,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:36,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:36,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:36,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:36,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:36,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:36:36,955 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:36,956 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:36,956 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:36,956 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:36,956 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 04:36:36,956 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:36,956 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:36,956 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:36,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration3_Loop [2018-11-23 04:36:36,956 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:36,956 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:36,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 04:36:36,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:36,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,106 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:37,106 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,113 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,115 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:37,115 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,131 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,131 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,133 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:37,133 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,149 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,149 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,151 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:37,151 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,168 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,176 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:37,176 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=4, ULTIMATE.start_main_#t~nondet2=4, ULTIMATE.start_calculate_output_~input=4, ULTIMATE.start_calculate_output_#in~input=4} Honda state: {ULTIMATE.start_main_~input~0=4, ULTIMATE.start_main_#t~nondet2=4, ULTIMATE.start_calculate_output_~input=4, ULTIMATE.start_calculate_output_#in~input=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,199 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,203 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 04:36:37,203 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,222 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 04:36:37,222 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c89d2277-573e-4d61-8c81-e6d391911094/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,241 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 04:36:37,241 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 04:36:37,244 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 04:36:37,266 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 04:36:37,266 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 04:36:37,266 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 04:36:37,266 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 04:36:37,266 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 04:36:37,267 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 04:36:37,267 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 04:36:37,267 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 04:36:37,267 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem01_label25_true-unreach-call_false-termination.c_Iteration3_Loop [2018-11-23 04:36:37,267 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 04:36:37,267 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 04:36:37,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 04:36:37,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 04:36:37,443 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 04:36:37,443 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 04:36:37,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:37,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:37,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:37,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:37,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:37,444 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:37,445 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:37,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:37,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:37,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:37,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:37,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:37,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:37,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:37,447 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:37,448 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:37,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:37,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:37,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:37,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:37,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:37,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:37,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:37,449 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:37,450 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:37,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:37,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:37,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:37,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:37,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:37,452 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:37,452 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:37,452 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:37,453 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:37,453 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:37,454 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 04:36:37,454 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 04:36:37,455 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 04:36:37,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 04:36:37,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 04:36:37,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 04:36:37,455 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 04:36:37,455 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 04:36:37,456 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 04:36:37,457 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 04:36:37,458 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 04:36:37,459 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 04:36:37,459 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 04:36:37,459 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 04:36:37,459 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 04:36:37,459 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a17~0) = 1*~a17~0 Supporting invariants [] [2018-11-23 04:36:37,459 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 04:36:37,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:37,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:37,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:37,495 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 04:36:37,495 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1732 states and 2673 transitions. cyclomatic complexity: 950 Second operand 4 states. [2018-11-23 04:36:37,951 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1732 states and 2673 transitions. cyclomatic complexity: 950. Second operand 4 states. Result 5788 states and 8653 transitions. Complement of second has 6 states. [2018-11-23 04:36:37,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 04:36:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 04:36:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 607 transitions. [2018-11-23 04:36:37,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 4 letters. Loop has 9 letters. [2018-11-23 04:36:37,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:37,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 13 letters. Loop has 9 letters. [2018-11-23 04:36:37,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:37,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 607 transitions. Stem has 4 letters. Loop has 18 letters. [2018-11-23 04:36:37,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 04:36:37,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5788 states and 8653 transitions. [2018-11-23 04:36:37,988 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1529 [2018-11-23 04:36:38,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5788 states to 5594 states and 8331 transitions. [2018-11-23 04:36:38,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1540 [2018-11-23 04:36:38,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1545 [2018-11-23 04:36:38,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5594 states and 8331 transitions. [2018-11-23 04:36:38,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 04:36:38,020 INFO L705 BuchiCegarLoop]: Abstraction has 5594 states and 8331 transitions. [2018-11-23 04:36:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states and 8331 transitions. [2018-11-23 04:36:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5587. [2018-11-23 04:36:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5587 states. [2018-11-23 04:36:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5587 states to 5587 states and 8324 transitions. [2018-11-23 04:36:38,093 INFO L728 BuchiCegarLoop]: Abstraction has 5587 states and 8324 transitions. [2018-11-23 04:36:38,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:36:38,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:36:38,097 INFO L87 Difference]: Start difference. First operand 5587 states and 8324 transitions. Second operand 4 states. [2018-11-23 04:36:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:36:38,903 INFO L93 Difference]: Finished difference Result 13226 states and 19202 transitions. [2018-11-23 04:36:38,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:36:38,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13226 states and 19202 transitions. [2018-11-23 04:36:38,945 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 3624 [2018-11-23 04:36:38,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13226 states to 13225 states and 19201 transitions. [2018-11-23 04:36:38,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3641 [2018-11-23 04:36:38,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3641 [2018-11-23 04:36:38,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13225 states and 19201 transitions. [2018-11-23 04:36:38,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 04:36:38,992 INFO L705 BuchiCegarLoop]: Abstraction has 13225 states and 19201 transitions. [2018-11-23 04:36:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13225 states and 19201 transitions. [2018-11-23 04:36:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13225 to 13225. [2018-11-23 04:36:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13225 states. [2018-11-23 04:36:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13225 states to 13225 states and 19201 transitions. [2018-11-23 04:36:39,190 INFO L728 BuchiCegarLoop]: Abstraction has 13225 states and 19201 transitions. [2018-11-23 04:36:39,190 INFO L608 BuchiCegarLoop]: Abstraction has 13225 states and 19201 transitions. [2018-11-23 04:36:39,190 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 04:36:39,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13225 states and 19201 transitions. [2018-11-23 04:36:39,216 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 3624 [2018-11-23 04:36:39,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:39,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:39,218 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 04:36:39,218 INFO L867 BuchiCegarLoop]: Counterexample loop 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] [2018-11-23 04:36:39,218 INFO L794 eck$LassoCheckResult]: Stem: 30255#ULTIMATE.startENTRY ~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 30009#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~input~0, main_~output~0;main_~output~0 := -1; 30010#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 31452#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 31453#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 30537#L35 [2018-11-23 04:36:39,219 INFO L796 eck$LassoCheckResult]: Loop: 30537#L35 assume !((((((5 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 30538#L43 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 34086#L49 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 34080#L54 assume !((3 == calculate_output_~input && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 34074#L62 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 34068#L65 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 34062#L72 assume !(8 == ~a12~0 && 1 == calculate_output_~input && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 34056#L80 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 34050#L84 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input) && 8 == ~a12~0); 34044#L92 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 34038#L97 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 34033#L102 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 34028#L108 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 34025#L114 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 34022#L119 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input) && 13 == ~a8~0) && 1 == ~a7~0); 34021#L124 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 34016#L129 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 30753#L136 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 30750#L140 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input && !(1 == ~a7~0)) && !(1 == ~a17~0)); 30747#L144 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input) && 4 == ~a16~0) && 15 == ~a8~0); 30748#L148 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 30739#L152 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 30740#L160 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input) && 1 == ~a7~0) && 8 == ~a12~0); 32933#L165 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 32932#L173 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input) && 8 == ~a12~0) && 15 == ~a8~0); 32931#L178 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input) && 8 == ~a12~0); 32929#L186 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input) && !(1 == ~a7~0)) && 5 == ~a16~0); 32927#L189 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 32869#L194 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 32870#L197 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 34185#L203 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input) && 8 == ~a12~0) && 1 == ~a21~0); 34182#L208 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input) && !(1 == ~a7~0)) && 8 == ~a12~0); 34178#L214 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input) && 1 == ~a21~0) && 1 == ~a20~0); 34174#L218 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 34170#L223 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 32405#L231 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input) && !(1 == ~a21~0)); 32406#L238 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 34109#L245 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 34104#L250 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input) && 6 == ~a16~0); 34099#L256 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 34094#L261 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 34089#L265 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 34083#L268 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 34077#L273 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 34071#L278 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input) && 8 == ~a12~0); 34065#L286 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 34059#L292 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 34053#L299 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 34047#L306 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 34041#L312 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 30651#L316 assume (5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0;calculate_output_#res := 24; 30432#L574 main_#t~ret3 := calculate_output_#res;main_~output~0 := main_#t~ret3;havoc main_#t~ret3; 34717#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 34715#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 33972#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 30537#L35 [2018-11-23 04:36:39,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:39,220 INFO L82 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2018-11-23 04:36:39,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:39,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:39,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:39,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:39,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:39,238 INFO L82 PathProgramCache]: Analyzing trace with hash -138367681, now seen corresponding path program 1 times [2018-11-23 04:36:39,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:39,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:39,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:39,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:39,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:39,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1397813011, now seen corresponding path program 1 times [2018-11-23 04:36:39,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:39,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:39,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:39,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:39,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:39,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:36:39,516 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 46 [2018-11-23 04:36:39,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:36:39,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:36:39,596 INFO L87 Difference]: Start difference. First operand 13225 states and 19201 transitions. cyclomatic complexity: 6005 Second operand 3 states. [2018-11-23 04:36:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:36:39,999 INFO L93 Difference]: Finished difference Result 20820 states and 27905 transitions. [2018-11-23 04:36:40,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:36:40,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20820 states and 27905 transitions. [2018-11-23 04:36:40,065 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 6204 [2018-11-23 04:36:40,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20820 states to 20820 states and 27905 transitions. [2018-11-23 04:36:40,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6221 [2018-11-23 04:36:40,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6221 [2018-11-23 04:36:40,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20820 states and 27905 transitions. [2018-11-23 04:36:40,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 04:36:40,152 INFO L705 BuchiCegarLoop]: Abstraction has 20820 states and 27905 transitions. [2018-11-23 04:36:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20820 states and 27905 transitions. [2018-11-23 04:36:40,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20820 to 20820. [2018-11-23 04:36:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20820 states. [2018-11-23 04:36:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20820 states to 20820 states and 27905 transitions. [2018-11-23 04:36:40,443 INFO L728 BuchiCegarLoop]: Abstraction has 20820 states and 27905 transitions. [2018-11-23 04:36:40,443 INFO L608 BuchiCegarLoop]: Abstraction has 20820 states and 27905 transitions. [2018-11-23 04:36:40,443 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-23 04:36:40,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20820 states and 27905 transitions. [2018-11-23 04:36:40,476 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 6204 [2018-11-23 04:36:40,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:36:40,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:36:40,478 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 04:36:40,478 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:36:40,478 INFO L794 eck$LassoCheckResult]: Stem: 64302#ULTIMATE.startENTRY ~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 64058#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~input~0, main_~output~0;main_~output~0 := -1; 64059#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 69428#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 78051#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 64208#L35 [2018-11-23 04:36:40,479 INFO L796 eck$LassoCheckResult]: Loop: 64208#L35 assume !((((((5 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 64068#L43 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 64069#L49 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 64072#L54 assume !((3 == calculate_output_~input && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 64073#L62 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 76952#L65 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 64474#L72 assume !(8 == ~a12~0 && 1 == calculate_output_~input && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 64475#L80 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 64396#L84 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input) && 8 == ~a12~0); 64096#L92 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 64097#L97 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 79398#L102 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 79377#L108 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 79370#L114 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 64231#L119 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input) && 13 == ~a8~0) && 1 == ~a7~0); 64232#L124 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 64507#L129 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 78040#L136 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 78038#L140 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input && !(1 == ~a7~0)) && !(1 == ~a17~0)); 78036#L144 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input) && 4 == ~a16~0) && 15 == ~a8~0); 78034#L148 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 78032#L152 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 78030#L160 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input) && 1 == ~a7~0) && 8 == ~a12~0); 64269#L165 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 64270#L173 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input) && 8 == ~a12~0) && 15 == ~a8~0); 64575#L178 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input) && 8 == ~a12~0); 77410#L186 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input) && !(1 == ~a7~0)) && 5 == ~a16~0); 73294#L189 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 64431#L194 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 64038#L197 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 64039#L203 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input) && 8 == ~a12~0) && 1 == ~a21~0); 64042#L208 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input) && !(1 == ~a7~0)) && 8 == ~a12~0); 64043#L214 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input) && 1 == ~a21~0) && 1 == ~a20~0); 64366#L218 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 79323#L223 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 79313#L231 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input) && !(1 == ~a21~0)); 64435#L238 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 64436#L245 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 64559#L250 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input) && 6 == ~a16~0); 64560#L256 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 64562#L261 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 64563#L265 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 79296#L268 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 64200#L273 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 64201#L278 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input) && 8 == ~a12~0); 79286#L286 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 64265#L292 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 64266#L299 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 77739#L306 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 77731#L312 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 77732#L316 assume !((5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0); 77725#L318 assume !(!(1 == ~a7~0) && 1 == ~a17~0 && (6 == ~a16~0 && !(1 == ~a20~0) && (6 == calculate_output_~input && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 77726#L324 assume !(((1 == ~a21~0 && 15 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a7~0) && !(1 == ~a17~0) && 2 == calculate_output_~input) && 4 == ~a16~0) && 1 == ~a20~0); 77719#L329 assume !(15 == ~a8~0 && (4 == ~a16~0 && 8 == ~a12~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && 1 == calculate_output_~input) && !(1 == ~a17~0)) && 1 == ~a21~0); 77720#L333 assume !(1 == ~a21~0 && (8 == ~a12~0 && ((1 == ~a17~0 && 3 == calculate_output_~input && (5 == ~a16~0 || 6 == ~a16~0)) && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0); 77713#L337 assume !(!(1 == ~a21~0) && 1 == ~a20~0 && (8 == ~a12~0 && 13 == ~a8~0 && ((5 == ~a16~0 && !(1 == ~a17~0)) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 2 == calculate_output_~input) && 1 == ~a7~0); 77714#L345 assume !(1 == ~a7~0 && 8 == ~a12~0 && ((1 == ~a20~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (4 == ~a16~0 && !(1 == ~a17~0))) && 4 == calculate_output_~input) && 13 == ~a8~0) && !(1 == ~a21~0)); 78629#L353 assume !(1 == ~a21~0 && (((!(1 == ~a7~0) && 15 == ~a8~0 && !(1 == ~a20~0) && 4 == calculate_output_~input) && 1 == ~a17~0) && 5 == ~a16~0) && 8 == ~a12~0); 78626#L355 assume !(((!(1 == ~a7~0) && (!(1 == ~a20~0) && 1 == ~a21~0 && 3 == calculate_output_~input && 1 == ~a17~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0); 77350#L361 assume !((((!(1 == ~a17~0) && !(1 == ~a20~0) && 15 == ~a8~0 && 1 == calculate_output_~input && 5 == ~a16~0) && 8 == ~a12~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 77349#L363 assume !(((1 == ~a21~0 && 15 == ~a8~0 && (5 == ~a16~0 && 8 == ~a12~0 && 1 == calculate_output_~input) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)); 77347#L365 assume !((!(1 == ~a21~0) && 1 == ~a20~0 && ((13 == ~a8~0 && 1 == ~a7~0 && 5 == calculate_output_~input) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 77345#L372 assume !(((!(1 == ~a7~0) && 1 == ~a21~0 && ((6 == calculate_output_~input && 1 == ~a20~0) && 15 == ~a8~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && 4 == ~a16~0); 77333#L377 assume !(((1 == ~a20~0 && ((!(1 == ~a21~0) && 1 == ~a7~0 && 1 == calculate_output_~input) && 13 == ~a8~0) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 77334#L382 assume !(8 == ~a12~0 && 5 == calculate_output_~input && ((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a7~0 && 1 == ~a17~0) && 13 == ~a8~0))); 78711#L391 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78709#L391-2 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78706#L394-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78703#L397-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78700#L400-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78697#L403-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78694#L406-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78691#L409-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78688#L412-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78685#L415-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78682#L418-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78678#L421-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78674#L424-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78671#L427-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78668#L430-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78665#L433-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78630#L436-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78631#L439-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78625#L442-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78484#L445-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78479#L448-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78480#L451-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78475#L454-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78476#L457-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78616#L460-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78015#L463-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78014#L466-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78013#L469-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78012#L472-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78011#L475-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78009#L478-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78008#L481-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78007#L484-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78006#L487-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78005#L490-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78004#L493-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78003#L496-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 78002#L499-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 78001#L502-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 78000#L505-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77998#L508-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77996#L511-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 77994#L514-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 77992#L517-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77990#L520-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 77981#L523-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77980#L526-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77979#L529-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77976#L532-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77972#L535-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77968#L538-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77965#L541-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77961#L544-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77051#L547-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 77050#L550-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77049#L553-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77048#L556-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 77047#L559-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 64400#L562-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 64148#L565-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 64149#L568-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 64338#L571-1 calculate_output_#res := -2; 64398#L574 main_#t~ret3 := calculate_output_#res;main_~output~0 := main_#t~ret3;havoc main_#t~ret3; 64343#L583-2 assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet2;havoc main_#t~nondet2; 64046#L588 assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 64047#L31 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 64208#L35 [2018-11-23 04:36:40,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:40,480 INFO L82 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 2 times [2018-11-23 04:36:40,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:40,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:40,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:40,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:40,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:40,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1018017878, now seen corresponding path program 1 times [2018-11-23 04:36:40,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:40,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:40,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,488 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 04:36:40,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:36:40,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:40,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1499282474, now seen corresponding path program 1 times [2018-11-23 04:36:40,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:36:40,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:36:40,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:40,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:36:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:36:40,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:40,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 04:36:43,684 WARN L180 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 219 DAG size of output: 141 [2018-11-23 04:36:43,686 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52