./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 0.1.25-906a4fb [2020-10-19 19:08:08,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:08:08,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:08:08,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:08:08,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:08:08,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:08:08,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:08:08,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:08:08,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:08:08,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:08:08,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:08:08,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:08:08,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:08:08,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:08:08,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:08:08,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:08:08,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:08:08,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:08:08,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:08:08,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:08:08,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:08:08,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:08:08,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:08:08,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:08:08,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:08:08,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:08:08,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:08:08,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:08:08,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:08:08,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:08:08,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:08:08,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:08:08,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:08:08,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:08:08,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:08:08,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:08:08,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:08:08,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:08:08,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:08:08,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:08:08,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:08:08,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:08:08,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:08:08,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:08:08,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:08:08,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:08:08,732 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:08:08,732 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:08:08,732 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:08:08,733 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:08:08,733 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:08:08,733 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:08:08,734 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:08:08,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:08:08,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:08:08,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:08:08,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:08:08,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:08:08,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:08:08,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:08:08,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:08:08,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:08:08,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:08:08,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:08:08,737 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:08:08,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:08:08,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:08:08,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:08:08,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:08:08,738 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:08:08,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:08:08,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:08:08,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:08:08,739 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:08:08,741 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:08:08,741 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 [2020-10-19 19:08:09,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:08:09,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:08:09,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:08:09,085 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:08:09,085 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:08:09,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_security.c [2020-10-19 19:08:09,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b0c83b3/85ef9cadd2b34329990cc79c497c48a3/FLAG37f104ceb [2020-10-19 19:08:09,613 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:08:09,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2020-10-19 19:08:09,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b0c83b3/85ef9cadd2b34329990cc79c497c48a3/FLAG37f104ceb [2020-10-19 19:08:09,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b0c83b3/85ef9cadd2b34329990cc79c497c48a3 [2020-10-19 19:08:09,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:08:09,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:08:09,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:09,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:08:09,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:08:09,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:09" (1/1) ... [2020-10-19 19:08:09,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79aa5368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:09, skipping insertion in model container [2020-10-19 19:08:09,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:09" (1/1) ... [2020-10-19 19:08:10,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:08:10,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:08:10,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:10,327 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:08:10,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:10,525 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:08:10,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10 WrapperNode [2020-10-19 19:08:10,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:10,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:10,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:08:10,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:08:10,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:10,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:08:10,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:08:10,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:08:10,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (1/1) ... [2020-10-19 19:08:10,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:08:10,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:08:10,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:08:10,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:08:10,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (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 [2020-10-19 19:08:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:08:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:08:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:08:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:08:11,220 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:08:11,220 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-19 19:08:11,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:11 BoogieIcfgContainer [2020-10-19 19:08:11,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:08:11,223 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:08:11,224 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:08:11,227 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:08:11,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:11,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:08:09" (1/3) ... [2020-10-19 19:08:11,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8dbdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:11, skipping insertion in model container [2020-10-19 19:08:11,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:11,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:10" (2/3) ... [2020-10-19 19:08:11,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8dbdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:11, skipping insertion in model container [2020-10-19 19:08:11,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:11,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:11" (3/3) ... [2020-10-19 19:08:11,233 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2020-10-19 19:08:11,283 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:08:11,283 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:08:11,283 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:08:11,284 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:08:11,284 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:08:11,284 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:08:11,284 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:08:11,285 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:08:11,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-10-19 19:08:11,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-10-19 19:08:11,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:11,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:11,345 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:08:11,345 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:08:11,345 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:08:11,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-10-19 19:08:11,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-10-19 19:08:11,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:11,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:11,353 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:08:11,353 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:08:11,362 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 73#L24-2true [2020-10-19 19:08:11,363 INFO L796 eck$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 [2020-10-19 19:08:11,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 19:08:11,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761072124] [2020-10-19 19:08:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2020-10-19 19:08:11,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034217807] [2020-10-19 19:08:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,549 INFO L82 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2020-10-19 19:08:11,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603600120] [2020-10-19 19:08:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:08:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:08:11,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603600120] [2020-10-19 19:08:11,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:08:11,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:08:11,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934669143] [2020-10-19 19:08:11,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:08:11,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:08:11,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:08:11,692 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-10-19 19:08:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:08:11,781 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2020-10-19 19:08:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 19:08:11,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2020-10-19 19:08:11,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-10-19 19:08:11,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2020-10-19 19:08:11,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-10-19 19:08:11,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-10-19 19:08:11,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-10-19 19:08:11,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:08:11,800 INFO L691 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-19 19:08:11,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-10-19 19:08:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-19 19:08:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 19:08:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-10-19 19:08:11,851 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-19 19:08:11,851 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-19 19:08:11,851 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:08:11,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-10-19 19:08:11,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-10-19 19:08:11,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:11,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:11,858 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 19:08:11,858 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:08:11,859 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 187#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 188#L24-2 goto; 185#L383 [2020-10-19 19:08:11,859 INFO L796 eck$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 [2020-10-19 19:08:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,860 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-10-19 19:08:11,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085244402] [2020-10-19 19:08:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,893 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:11,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,893 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-10-19 19:08:11,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664050369] [2020-10-19 19:08:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,898 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,902 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:11,902 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-10-19 19:08:11,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:11,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625961964] [2020-10-19 19:08:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:11,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:11,944 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:12,223 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-19 19:08:12,339 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-19 19:08:12,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:08:12 BoogieIcfgContainer [2020-10-19 19:08:12,382 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:08:12,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:08:12,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:08:12,383 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:08:12,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:11" (3/4) ... [2020-10-19 19:08:12,387 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 19:08:12,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 19:08:12,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:08:12,476 INFO L168 Benchmark]: Toolchain (without parser) took 2491.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 958.6 MB in the beginning and 1.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:12,477 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:12,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 958.6 MB in the beginning and 1.2 GB in the end (delta: -194.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:12,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:12,485 INFO L168 Benchmark]: Boogie Preprocessor took 46.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:12,486 INFO L168 Benchmark]: RCFGBuilder took 562.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:12,488 INFO L168 Benchmark]: BuchiAutomizer took 1158.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:12,489 INFO L168 Benchmark]: Witness Printer took 89.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:12,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 539.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 958.6 MB in the beginning and 1.2 GB in the end (delta: -194.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1158.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. * Witness Printer took 89.05 ms. Allocated memory is still 1.2 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.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@33ea755=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d8729cc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@796c12f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33d69c0c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45a4812c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@374e31a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24541438=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e6956e9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@273277d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51f9191d=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@489b7249=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4faaa1aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ee6f492=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@613791b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65c6ac7d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@116c7032=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f4127d3=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2554092a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78b39e1e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28c67031=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ad968fb=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...