./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Madrid.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.0-5485861 [2020-10-26 04:13:33,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:13:33,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:13:33,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:13:33,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:13:33,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:13:33,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:13:33,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:13:33,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:13:33,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:13:33,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:13:33,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:13:33,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:13:33,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:13:33,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:13:33,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:13:33,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:13:33,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:13:33,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:13:33,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:13:33,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:13:33,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:13:33,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:13:33,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:13:33,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:13:33,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:13:33,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:13:33,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:13:33,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:13:33,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:13:33,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:13:33,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:13:33,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:13:33,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:13:33,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:13:33,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:13:33,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:13:33,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:13:33,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:13:33,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:13:33,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:13:33,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:13:33,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:13:33,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:13:33,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:13:33,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:13:33,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:13:33,614 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:13:33,614 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:13:33,614 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:13:33,615 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:13:33,615 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:13:33,616 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:13:33,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:13:33,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:13:33,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:13:33,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:13:33,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:13:33,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:13:33,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:13:33,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:13:33,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:13:33,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:13:33,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:13:33,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:13:33,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:13:33,620 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:13:33,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:13:33,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:13:33,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:13:33,621 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:13:33,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:13:33,623 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2020-10-26 04:13:34,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:13:34,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:13:34,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:13:34,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:13:34,182 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:13:34,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Madrid.c [2020-10-26 04:13:34,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099547925/d09cb1b45a06444d9421625e59b633e9/FLAG00b7e4e19 [2020-10-26 04:13:34,840 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:13:34,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Madrid.c [2020-10-26 04:13:34,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099547925/d09cb1b45a06444d9421625e59b633e9/FLAG00b7e4e19 [2020-10-26 04:13:35,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099547925/d09cb1b45a06444d9421625e59b633e9 [2020-10-26 04:13:35,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:13:35,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:13:35,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:13:35,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:13:35,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:13:35,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6e447b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35, skipping insertion in model container [2020-10-26 04:13:35,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:13:35,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:13:35,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:13:35,475 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:13:35,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:13:35,504 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:13:35,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35 WrapperNode [2020-10-26 04:13:35,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:13:35,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:13:35,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:13:35,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:13:35,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:13:35,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:13:35,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:13:35,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:13:35,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... [2020-10-26 04:13:35,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:13:35,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:13:35,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:13:35,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:13:35,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:13:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:13:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:13:35,789 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:13:35,790 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:13:35,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:35 BoogieIcfgContainer [2020-10-26 04:13:35,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:13:35,793 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:13:35,794 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:13:35,798 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:13:35,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:35,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:13:35" (1/3) ... [2020-10-26 04:13:35,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a09aa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:13:35, skipping insertion in model container [2020-10-26 04:13:35,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:35,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:35" (2/3) ... [2020-10-26 04:13:35,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a09aa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:13:35, skipping insertion in model container [2020-10-26 04:13:35,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:35,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:35" (3/3) ... [2020-10-26 04:13:35,805 INFO L373 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2020-10-26 04:13:35,873 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:13:35,874 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:13:35,874 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:13:35,874 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:13:35,875 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:13:35,875 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:13:35,875 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:13:35,875 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:13:35,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-26 04:13:35,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:13:35,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:13:35,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:13:35,923 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:13:35,924 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:13:35,924 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:13:35,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-26 04:13:35,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:13:35,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:13:35,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:13:35,926 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:13:35,926 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:13:35,935 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 [2020-10-26 04:13:35,936 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2020-10-26 04:13:35,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:35,945 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-26 04:13:35,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:35,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962487436] [2020-10-26 04:13:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,093 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-26 04:13:36,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:36,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241464873] [2020-10-26 04:13:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,110 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:36,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:36,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-26 04:13:36,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:36,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838824700] [2020-10-26 04:13:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:36,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:36,129 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:36,347 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:13:36,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:13:36,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:13:36,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:13:36,350 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:13:36,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:36,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:13:36,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:13:36,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2020-10-26 04:13:36,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:13:36,351 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:13:36,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:36,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:36,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:36,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:36,533 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:13:36,534 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:36,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:36,549 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:36,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:36,559 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:13:36,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:36,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:36,593 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:36,593 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:13:36,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:36,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:36,626 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:36,626 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:13:36,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:36,663 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:13:36,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:13:36,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:36,723 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:36,724 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=-5}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=1}] Lambdas: [0, 1, 0] Nus: [0, 1] [2020-10-26 04:13:36,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:13:36 BoogieIcfgContainer [2020-10-26 04:13:36,784 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:13:36,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:13:36,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:13:36,785 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:13:36,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:35" (3/4) ... [2020-10-26 04:13:36,789 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-26 04:13:36,827 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:13:36,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:13:36,830 INFO L168 Benchmark]: Toolchain (without parser) took 1584.41 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.2 MB in the beginning and 33.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 661.9 kB. Max. memory is 16.1 GB. [2020-10-26 04:13:36,832 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:36,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.48 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 26.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:36,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 46.1 MB. Free memory was 26.6 MB in the beginning and 25.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:36,835 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 24.6 MB in the end (delta: 798.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:36,836 INFO L168 Benchmark]: RCFGBuilder took 230.00 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 29.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:36,837 INFO L168 Benchmark]: BuchiAutomizer took 991.01 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 34.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:36,838 INFO L168 Benchmark]: Witness Printer took 42.47 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 33.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:36,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.48 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 26.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 46.1 MB. Free memory was 26.6 MB in the beginning and 25.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.83 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 24.6 MB in the end (delta: 798.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 230.00 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 29.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 991.01 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 34.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 42.47 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 33.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 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 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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. [2020-10-26 04:13:36,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-10-26 04:13:36,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-10-26 04:13:36,862 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, ~unnamed0~0~false=0, x=0} State at position 1 is {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=7} 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, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i -5*0^k + -1 + 1*0^k + 1*k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 1, 0] Mus: [0, 1] - 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...