./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 0.1.25-f470102 [2019-12-07 18:57:43,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:57:43,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:57:43,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:57:43,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:57:43,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:57:43,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:57:43,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:57:43,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:57:43,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:57:43,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:57:43,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:57:43,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:57:43,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:57:43,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:57:44,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:57:44,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:57:44,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:57:44,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:57:44,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:57:44,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:57:44,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:57:44,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:57:44,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:57:44,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:57:44,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:57:44,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:57:44,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:57:44,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:57:44,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:57:44,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:57:44,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:57:44,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:57:44,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:57:44,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:57:44,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:57:44,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:57:44,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:57:44,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:57:44,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:57:44,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:57:44,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:57:44,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:57:44,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:57:44,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:57:44,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:57:44,033 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:57:44,033 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:57:44,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:57:44,033 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:57:44,033 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:57:44,033 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:57:44,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:57:44,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:57:44,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:57:44,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:57:44,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:57:44,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:57:44,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:57:44,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:57:44,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:57:44,036 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:57:44,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:57:44,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:57:44,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:57:44,037 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:57:44,038 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:57:44,038 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_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:44,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:57:44,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:57:44,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:57:44,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:57:44,171 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:57:44,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Madrid.c [2019-12-07 18:57:44,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/data/edd14b68c/389f25c27feb4e2aa8b370b74cda4e0b/FLAG54324fcb8 [2019-12-07 18:57:44,631 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:57:44,631 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/sv-benchmarks/c/termination-crafted/Madrid.c [2019-12-07 18:57:44,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/data/edd14b68c/389f25c27feb4e2aa8b370b74cda4e0b/FLAG54324fcb8 [2019-12-07 18:57:44,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/data/edd14b68c/389f25c27feb4e2aa8b370b74cda4e0b [2019-12-07 18:57:44,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:57:44,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:57:44,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:44,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:57:44,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:57:44,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4098f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44, skipping insertion in model container [2019-12-07 18:57:44,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:57:44,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:57:44,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:44,762 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:57:44,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:44,816 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:57:44,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44 WrapperNode [2019-12-07 18:57:44,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:44,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:44,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:57:44,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:57:44,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:44,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:57:44,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:57:44,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:57:44,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... [2019-12-07 18:57:44,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:57:44,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:57:44,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:57:44,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:57:44,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:57:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:57:44,966 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:57:44,967 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 18:57:44,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:44 BoogieIcfgContainer [2019-12-07 18:57:44,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:57:44,968 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:57:44,968 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:57:44,970 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:57:44,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:57:44,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:57:44" (1/3) ... [2019-12-07 18:57:44,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39b8d734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:57:44, skipping insertion in model container [2019-12-07 18:57:44,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:57:44,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:44" (2/3) ... [2019-12-07 18:57:44,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39b8d734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:57:44, skipping insertion in model container [2019-12-07 18:57:44,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:57:44,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:44" (3/3) ... [2019-12-07 18:57:44,973 INFO L371 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2019-12-07 18:57:45,002 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:57:45,002 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:57:45,002 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:57:45,002 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:57:45,003 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:57:45,003 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:57:45,003 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:57:45,003 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:57:45,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:57:45,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:57:45,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:57:45,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:57:45,028 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:57:45,028 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:57:45,028 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:57:45,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:57:45,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:57:45,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:57:45,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:57:45,029 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:57:45,029 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:57:45,033 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2019-12-07 18:57:45,033 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2019-12-07 18:57:45,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:45,037 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 18:57:45,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:45,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473139205] [2019-12-07 18:57:45,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:57:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:45,105 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 18:57:45,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:45,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765270234] [2019-12-07 18:57:45,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,110 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:57:45,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:45,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 18:57:45,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:45,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635830466] [2019-12-07 18:57:45,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:45,119 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:57:45,146 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:57:45,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:57:45,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:57:45,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:57:45,147 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:57:45,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:57:45,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:57:45,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:57:45,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2019-12-07 18:57:45,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:57:45,147 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:57:45,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:57:45,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:57:45,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:57:45,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:57:45,240 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:57:45,240 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:45,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:57:45,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:57:45,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:57:45,253 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_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:45,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:57:45,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:57:45,262 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:57:45,263 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_16a74b3b-1476-4dec-b203-379c6f5ad05e/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:57:45,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:57:45,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:57:45,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:57:45,270 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_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:45,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:57:45,274 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/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 [2019-12-07 18:57:45,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:57:45,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:57:45,298 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:57:45,299 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] [2019-12-07 18:57:45,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:57:45 BoogieIcfgContainer [2019-12-07 18:57:45,316 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:57:45,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:57:45,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:57:45,316 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:57:45,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:44" (3/4) ... [2019-12-07 18:57:45,319 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 18:57:45,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_16a74b3b-1476-4dec-b203-379c6f5ad05e/bin/uautomizer/witness.graphml [2019-12-07 18:57:45,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:57:45,343 INFO L168 Benchmark]: Toolchain (without parser) took 696.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.1 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:45,344 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:45,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:45,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:45,345 INFO L168 Benchmark]: Boogie Preprocessor took 12.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:45,345 INFO L168 Benchmark]: RCFGBuilder took 114.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:45,345 INFO L168 Benchmark]: BuchiAutomizer took 348.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:45,346 INFO L168 Benchmark]: Witness Printer took 25.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:45,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 114.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 348.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 25.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. 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: 0.0s - 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. [2019-12-07 18:57:45,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-12-07 18:57:45,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-12-07 18:57:45,354 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...