./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/psyco/psyco_security.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-9a8b2e8 [2020-10-20 07:01:17,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:01:17,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:01:17,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:01:17,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:01:17,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:01:17,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:01:17,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:01:17,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:01:17,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:01:17,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:01:17,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:01:17,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:01:17,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:01:17,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:01:17,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:01:17,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:01:17,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:01:17,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:01:17,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:01:17,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:01:17,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:01:17,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:01:17,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:01:17,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:01:17,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:01:17,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:01:17,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:01:17,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:01:17,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:01:17,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:01:17,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:01:17,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:01:17,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:01:17,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:01:17,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:01:17,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:01:17,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:01:17,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:01:17,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:01:17,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:01:17,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:01:17,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:01:17,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:01:17,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:01:17,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:01:17,530 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:01:17,530 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:01:17,530 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:01:17,530 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:01:17,531 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:01:17,531 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:01:17,532 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:01:17,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:01:17,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:01:17,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:01:17,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:01:17,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:01:17,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:01:17,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:01:17,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:01:17,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:01:17,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:01:17,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:01:17,536 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:01:17,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:01:17,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:01:17,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:01:17,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:01:17,537 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:01:17,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:01:17,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:01:17,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:01:17,538 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:01:17,539 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:01:17,539 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 -> /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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-10-20 07:01:17,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:01:17,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:01:17,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:01:17,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:01:17,794 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:01:17,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_security.c [2020-10-20 07:01:17,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae456842/de9b75b740814bbaa29f697214ffd4d1/FLAG4e0b29347 [2020-10-20 07:01:18,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:01:18,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2020-10-20 07:01:18,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae456842/de9b75b740814bbaa29f697214ffd4d1/FLAG4e0b29347 [2020-10-20 07:01:18,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae456842/de9b75b740814bbaa29f697214ffd4d1 [2020-10-20 07:01:18,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:01:18,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:01:18,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:01:18,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:01:18,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:01:18,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:01:18" (1/1) ... [2020-10-20 07:01:18,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3347bbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:18, skipping insertion in model container [2020-10-20 07:01:18,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:01:18" (1/1) ... [2020-10-20 07:01:18,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:01:18,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:01:19,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:01:19,105 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:01:19,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:01:19,160 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:01:19,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19 WrapperNode [2020-10-20 07:01:19,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:01:19,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:01:19,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:01:19,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:01:19,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:01:19,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:01:19,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:01:19,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:01:19,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (1/1) ... [2020-10-20 07:01:19,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:01:19,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:01:19,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:01:19,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:01:19,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (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 [2020-10-20 07:01:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:01:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:01:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:01:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:01:19,823 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:01:19,824 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-20 07:01:19,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:01:19 BoogieIcfgContainer [2020-10-20 07:01:19,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:01:19,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:01:19,827 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:01:19,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:01:19,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:01:19,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:01:18" (1/3) ... [2020-10-20 07:01:19,838 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e1dda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:01:19, skipping insertion in model container [2020-10-20 07:01:19,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:01:19,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:01:19" (2/3) ... [2020-10-20 07:01:19,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e1dda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:01:19, skipping insertion in model container [2020-10-20 07:01:19,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:01:19,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:01:19" (3/3) ... [2020-10-20 07:01:19,842 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2020-10-20 07:01:19,898 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:01:19,898 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:01:19,898 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:01:19,899 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:01:19,899 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:01:19,899 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:01:19,899 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:01:19,900 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:01:19,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-10-20 07:01:19,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-10-20 07:01:19,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:01:19,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:01:19,953 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:01:19,954 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:01:19,954 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:01:19,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-10-20 07:01:19,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-10-20 07:01:19,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:01:19,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:01:19,961 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:01:19,961 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:01:19,969 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 73#L24-2true [2020-10-20 07:01:19,969 INFO L796 eck$LassoCheckResult]: Loop: 73#L24-2true goto; 11#L383true assume !false; 8#L29true assume !(0 == main_~q~0); 49#L49true assume !(1 == main_~q~0); 62#L101true assume !(2 == main_~q~0); 79#L185true assume !(3 == main_~q~0); 9#L285true assume !(4 == main_~q~0); 73#L24-2true [2020-10-20 07:01:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:19,976 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:01:19,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:19,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92070672] [2020-10-20 07:01:19,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,089 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,130 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:01:20,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:20,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2020-10-20 07:01:20,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:20,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939718421] [2020-10-20 07:01:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,145 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:01:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2020-10-20 07:01:20,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:20,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066790685] [2020-10-20 07:01:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:01:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:01:20,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066790685] [2020-10-20 07:01:20,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:01:20,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:01:20,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689514761] [2020-10-20 07:01:20,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:01:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:01:20,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:01:20,321 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-10-20 07:01:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:01:20,398 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2020-10-20 07:01:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:01:20,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2020-10-20 07:01:20,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-10-20 07:01:20,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2020-10-20 07:01:20,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-10-20 07:01:20,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-10-20 07:01:20,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-10-20 07:01:20,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:01:20,416 INFO L691 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-20 07:01:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-10-20 07:01:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-20 07:01:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 07:01:20,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-10-20 07:01:20,469 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-20 07:01:20,469 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-20 07:01:20,470 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:01:20,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-10-20 07:01:20,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-10-20 07:01:20,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:01:20,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:01:20,472 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 07:01:20,472 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:01:20,473 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 187#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 188#L24-2 goto; 185#L383 [2020-10-20 07:01:20,473 INFO L796 eck$LassoCheckResult]: Loop: 185#L383 assume !false; 180#L29 assume 0 == main_~q~0; 181#L30 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7; 185#L383 [2020-10-20 07:01:20,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:20,474 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-10-20 07:01:20,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:20,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106531086] [2020-10-20 07:01:20,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,507 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:01:20,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:20,508 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-10-20 07:01:20,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:20,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391142726] [2020-10-20 07:01:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:01:20,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:01:20,518 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-10-20 07:01:20,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:01:20,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972341989] [2020-10-20 07:01:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:01:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:01:20,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:01:20,551 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:01:20,820 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-20 07:01:20,940 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-20 07:01:20,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:01:20 BoogieIcfgContainer [2020-10-20 07:01:20,987 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:01:20,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:01:20,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:01:20,989 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:01:20,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:01:19" (3/4) ... [2020-10-20 07:01:20,994 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-20 07:01:21,087 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 07:01:21,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:01:21,091 INFO L168 Benchmark]: Toolchain (without parser) took 2269.05 ms. Allocated memory was 40.4 MB in the beginning and 50.3 MB in the end (delta: 10.0 MB). Free memory was 17.9 MB in the beginning and 16.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,094 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.08 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 14.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 41.4 MB. Free memory was 14.3 MB in the beginning and 12.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,097 INFO L168 Benchmark]: Boogie Preprocessor took 42.56 ms. Allocated memory is still 41.4 MB. Free memory was 12.1 MB in the beginning and 10.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,098 INFO L168 Benchmark]: RCFGBuilder took 569.12 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 10.2 MB in the beginning and 11.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,099 INFO L168 Benchmark]: BuchiAutomizer took 1160.48 ms. Allocated memory was 43.0 MB in the beginning and 50.3 MB in the end (delta: 7.3 MB). Free memory was 11.4 MB in the beginning and 18.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,100 INFO L168 Benchmark]: Witness Printer took 100.17 ms. Allocated memory is still 50.3 MB. Free memory was 18.6 MB in the beginning and 16.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:01:21,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 333.08 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 14.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 41.4 MB. Free memory was 14.3 MB in the beginning and 12.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.56 ms. Allocated memory is still 41.4 MB. Free memory was 12.1 MB in the beginning and 10.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 569.12 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 10.2 MB in the beginning and 11.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1160.48 ms. Allocated memory was 43.0 MB in the beginning and 50.3 MB in the end (delta: 7.3 MB). Free memory was 11.4 MB in the beginning and 18.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * Witness Printer took 100.17 ms. Allocated memory is still 50.3 MB. Free memory was 18.6 MB in the beginning and 16.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 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 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118 SDtfs, 4 SDslu, 84 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=2, NULL=0, m_sign=4, \result=0, NULL=1, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5465032f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73809898=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e957d86=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@190d9c9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@650d88ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db1366b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f819d61=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d34d464=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b54f845=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@123e888e=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2772ae02=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@526e1f3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5badaf68=0, NULL=0, NULL=0, NULL=0, NULL=4, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f62972a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c8b6d32=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27171b33=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@399f1d7d=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b3d4944=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20dd56ce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c84d1a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48191a53=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...