./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 64bit --witnessprinter.graph.data.programhash a2e3cac0a2b7a3ca917b5aba0246714aae086d70 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:17:22,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:17:22,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:17:22,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:17:22,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:17:22,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:17:22,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:17:22,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:17:22,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:17:22,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:17:22,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:17:22,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:17:22,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:17:22,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:17:22,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:17:22,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:17:22,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:17:22,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:17:22,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:17:22,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:17:22,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:17:22,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:17:22,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:17:22,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:17:22,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:17:23,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:17:23,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:17:23,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:17:23,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:17:23,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:17:23,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:17:23,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:17:23,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:17:23,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:17:23,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:17:23,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:17:23,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:17:23,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:17:23,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:17:23,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:17:23,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:17:23,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 01:17:23,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:17:23,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:17:23,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:17:23,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:17:23,030 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:17:23,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:17:23,031 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:17:23,031 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:17:23,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:17:23,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:17:23,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:17:23,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:17:23,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:17:23,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:17:23,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:17:23,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:17:23,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:17:23,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:17:23,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:17:23,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:17:23,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:17:23,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:17:23,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:17:23,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:17:23,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:17:23,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:17:23,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:17:23,036 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:17:23,037 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:17:23,038 INFO L138 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/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2019-11-20 01:17:23,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:17:23,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:17:23,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:17:23,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:17:23,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:17:23,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Madrid.c [2019-11-20 01:17:23,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/data/bb5e3581c/74265fce910246d28834e7b7f13182fa/FLAG1f07e5142 [2019-11-20 01:17:23,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:17:23,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/sv-benchmarks/c/termination-crafted/Madrid.c [2019-11-20 01:17:23,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/data/bb5e3581c/74265fce910246d28834e7b7f13182fa/FLAG1f07e5142 [2019-11-20 01:17:24,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/data/bb5e3581c/74265fce910246d28834e7b7f13182fa [2019-11-20 01:17:24,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:17:24,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:17:24,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:17:24,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:17:24,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:17:24,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b1d31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24, skipping insertion in model container [2019-11-20 01:17:24,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,160 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:17:24,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:17:24,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:17:24,348 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:17:24,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:17:24,452 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:17:24,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24 WrapperNode [2019-11-20 01:17:24,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:17:24,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:17:24,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:17:24,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:17:24,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:17:24,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:17:24,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:17:24,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:17:24,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... [2019-11-20 01:17:24,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:17:24,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:17:24,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:17:24,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:17:24,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 [2019-11-20 01:17:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:17:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:17:24,724 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:17:24,724 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 01:17:24,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:17:24 BoogieIcfgContainer [2019-11-20 01:17:24,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:17:24,726 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:17:24,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:17:24,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:17:24,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:17:24,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:17:24" (1/3) ... [2019-11-20 01:17:24,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@730683a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:17:24, skipping insertion in model container [2019-11-20 01:17:24,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:17:24,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:17:24" (2/3) ... [2019-11-20 01:17:24,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@730683a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:17:24, skipping insertion in model container [2019-11-20 01:17:24,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:17:24,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:17:24" (3/3) ... [2019-11-20 01:17:24,748 INFO L371 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2019-11-20 01:17:24,816 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:17:24,816 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:17:24,816 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:17:24,817 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:17:24,817 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:17:24,817 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:17:24,817 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:17:24,818 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:17:24,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 01:17:24,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 01:17:24,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:17:24,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:17:24,880 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 01:17:24,880 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 01:17:24,881 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:17:24,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 01:17:24,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 01:17:24,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:17:24,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:17:24,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 01:17:24,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 01:17:24,891 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2019-11-20 01:17:24,891 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2019-11-20 01:17:24,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:17:24,899 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 01:17:24,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:17:24,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174185565] [2019-11-20 01:17:24,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:17:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:25,005 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:17:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:17:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-20 01:17:25,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:17:25,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799431959] [2019-11-20 01:17:25,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:17:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:25,016 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:17:25,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:17:25,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 01:17:25,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:17:25,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764492747] [2019-11-20 01:17:25,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:17:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:17:25,030 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:17:25,113 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:17:25,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:17:25,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:17:25,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:17:25,115 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 01:17:25,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:17:25,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:17:25,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:17:25,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2019-11-20 01:17:25,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:17:25,116 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:17:25,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:17:25,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:17:25,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:17:25,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:17:25,312 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:17:25,313 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 [2019-11-20 01:17:25,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:17:25,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:17:25,338 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:17:25,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 [2019-11-20 01:17:25,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:17:25,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:17:25,360 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:17:25,361 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:17:25,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:17:25,385 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:17:25,397 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:17:25,397 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 [2019-11-20 01:17:25,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:17:25,403 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/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 [2019-11-20 01:17:25,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 01:17:25,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:17:25,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:17:25,444 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=-8}, {ULTIMATE.start_main_~x~0=2}] Lambdas: [8, 0, 0] Nus: [1, 0] [2019-11-20 01:17:25,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:17:25 BoogieIcfgContainer [2019-11-20 01:17:25,470 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:17:25,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:17:25,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:17:25,471 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:17:25,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:17:24" (3/4) ... [2019-11-20 01:17:25,475 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:17:25,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_862bdc1e-cfff-426c-8d3d-668c2d74034c/bin/uautomizer/witness.graphml [2019-11-20 01:17:25,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:17:25,524 INFO L168 Benchmark]: Toolchain (without parser) took 1390.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:17:25,531 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:17:25,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:17:25,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:17:25,536 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:17:25,538 INFO L168 Benchmark]: RCFGBuilder took 227.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:17:25,539 INFO L168 Benchmark]: BuchiAutomizer took 744.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:17:25,539 INFO L168 Benchmark]: Witness Printer took 48.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:17:25,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 744.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2019-11-20 01:17:25,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 01:17:25,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 01:17:25,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {~unnamed0~0~true=1, \result=0, x=0, ~unnamed0~0~false=0} State at position 1 is {~unnamed0~0~true=1, \result=0, x=7, ~unnamed0~0~false=0} For i>1, the state at position i is {~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i 1*8^k + -8*0^k + -8*k*8^(k-1) + 2*0^k, ~unnamed0~0~false=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [8, 0, 0] Mus: [1, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...