./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_security.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 8cc1f38a976dda42d71f86348e088e61d77f90eb ............................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-8bd4bc6 [2020-07-29 02:02:54,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:02:54,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:02:54,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:02:54,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:02:54,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:02:54,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:02:55,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:02:55,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:02:55,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:02:55,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:02:55,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:02:55,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:02:55,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:02:55,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:02:55,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:02:55,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:02:55,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:02:55,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:02:55,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:02:55,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:02:55,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:02:55,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:02:55,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:02:55,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:02:55,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:02:55,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:02:55,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:02:55,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:02:55,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:02:55,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:02:55,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:02:55,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:02:55,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:02:55,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:02:55,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:02:55,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:02:55,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:02:55,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:02:55,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:02:55,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:02:55,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:02:55,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:02:55,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:02:55,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:02:55,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:02:55,103 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:02:55,103 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:02:55,103 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:02:55,103 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:02:55,104 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:02:55,104 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:02:55,104 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:02:55,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:02:55,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:02:55,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:02:55,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:02:55,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:02:55,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:02:55,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:02:55,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:02:55,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:02:55,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:02:55,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:02:55,108 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:02:55,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:02:55,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:02:55,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:02:55,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:02:55,109 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:02:55,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:02:55,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:02:55,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:02:55,111 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:02:55,112 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:02:55,112 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 -> 8cc1f38a976dda42d71f86348e088e61d77f90eb [2020-07-29 02:02:55,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:02:55,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:02:55,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:02:55,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:02:55,490 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:02:55,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_security.c [2020-07-29 02:02:55,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad8d1cb7/0f339be05811476d9c40c919a7f88d99/FLAGcc19579a3 [2020-07-29 02:02:55,993 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:02:55,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2020-07-29 02:02:56,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad8d1cb7/0f339be05811476d9c40c919a7f88d99/FLAGcc19579a3 [2020-07-29 02:02:56,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad8d1cb7/0f339be05811476d9c40c919a7f88d99 [2020-07-29 02:02:56,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:02:56,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:02:56,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:02:56,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:02:56,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:02:56,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69738cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56, skipping insertion in model container [2020-07-29 02:02:56,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:02:56,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:02:56,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:02:56,643 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:02:56,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:02:56,767 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:02:56,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56 WrapperNode [2020-07-29 02:02:56,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:02:56,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:02:56,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:02:56,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:02:56,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:02:56,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:02:56,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:02:56,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:02:56,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (1/1) ... [2020-07-29 02:02:56,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:02:56,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:02:56,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:02:56,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:02:56,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (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 [2020-07-29 02:02:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:02:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:02:57,546 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:02:57,546 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-07-29 02:02:57,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:57 BoogieIcfgContainer [2020-07-29 02:02:57,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:02:57,553 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:02:57,553 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:02:57,556 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:02:57,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:57,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:02:56" (1/3) ... [2020-07-29 02:02:57,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b179e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:02:57, skipping insertion in model container [2020-07-29 02:02:57,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:57,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:56" (2/3) ... [2020-07-29 02:02:57,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b179e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:02:57, skipping insertion in model container [2020-07-29 02:02:57,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:57,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:57" (3/3) ... [2020-07-29 02:02:57,563 INFO L371 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2020-07-29 02:02:57,614 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:02:57,615 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:02:57,615 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:02:57,615 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:02:57,616 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:02:57,616 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:02:57,616 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:02:57,617 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:02:57,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2020-07-29 02:02:57,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-07-29 02:02:57,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:57,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:57,682 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:02:57,682 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:02:57,682 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:02:57,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2020-07-29 02:02:57,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-07-29 02:02:57,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:57,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:57,696 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:02:57,697 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:02:57,705 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue ~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 12#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 11#L22-2true [2020-07-29 02:02:57,705 INFO L796 eck$LassoCheckResult]: Loop: 11#L22-2true goto; 33#L381true assume !false; 47#L27true assume !(0 == main_~q~0); 3#L47true assume !(1 == main_~q~0); 41#L99true assume !(2 == main_~q~0); 37#L183true assume !(3 == main_~q~0); 48#L283true assume !(4 == main_~q~0); 11#L22-2true [2020-07-29 02:02:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:57,712 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 02:02:57,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:57,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815766556] [2020-07-29 02:02:57,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:57,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:57,809 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:57,833 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:57,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2020-07-29 02:02:57,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:57,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859212555] [2020-07-29 02:02:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:57,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:57,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:57,847 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:57,849 INFO L82 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2020-07-29 02:02:57,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:57,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357143388] [2020-07-29 02:02:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:02:57,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {85#true} ~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; {85#true} is VALID [2020-07-29 02:02:57,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {85#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, 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_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; {87#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:57,942 INFO L280 TraceCheckUtils]: 2: Hoare triple {87#(= 0 ULTIMATE.start_main_~q~0)} goto; {87#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:57,943 INFO L280 TraceCheckUtils]: 3: Hoare triple {87#(= 0 ULTIMATE.start_main_~q~0)} assume !false; {87#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:57,944 INFO L280 TraceCheckUtils]: 4: Hoare triple {87#(= 0 ULTIMATE.start_main_~q~0)} assume !(0 == main_~q~0); {86#false} is VALID [2020-07-29 02:02:57,944 INFO L280 TraceCheckUtils]: 5: Hoare triple {86#false} assume !(1 == main_~q~0); {86#false} is VALID [2020-07-29 02:02:57,945 INFO L280 TraceCheckUtils]: 6: Hoare triple {86#false} assume !(2 == main_~q~0); {86#false} is VALID [2020-07-29 02:02:57,945 INFO L280 TraceCheckUtils]: 7: Hoare triple {86#false} assume !(3 == main_~q~0); {86#false} is VALID [2020-07-29 02:02:57,945 INFO L280 TraceCheckUtils]: 8: Hoare triple {86#false} assume !(4 == main_~q~0); {86#false} is VALID [2020-07-29 02:02:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:02:57,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357143388] [2020-07-29 02:02:57,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:02:57,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:02:57,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467404787] [2020-07-29 02:02:58,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:02:58,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 02:02:58,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 02:02:58,030 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 3 states. [2020-07-29 02:02:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:58,284 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2020-07-29 02:02:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 02:02:58,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:02:58,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:02:58,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2020-07-29 02:02:58,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-07-29 02:02:58,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2020-07-29 02:02:58,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-07-29 02:02:58,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-07-29 02:02:58,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-07-29 02:02:58,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:02:58,324 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-07-29 02:02:58,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-07-29 02:02:58,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-29 02:02:58,354 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:02:58,355 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states and 81 transitions. Second operand 59 states. [2020-07-29 02:02:58,355 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states and 81 transitions. Second operand 59 states. [2020-07-29 02:02:58,357 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 59 states. [2020-07-29 02:02:58,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:58,362 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-29 02:02:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-29 02:02:58,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:02:58,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:02:58,364 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states and 81 transitions. [2020-07-29 02:02:58,365 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states and 81 transitions. [2020-07-29 02:02:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:58,369 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-29 02:02:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-29 02:02:58,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:02:58,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:02:58,370 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:02:58,370 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:02:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-29 02:02:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-07-29 02:02:58,375 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-07-29 02:02:58,375 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-07-29 02:02:58,376 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:02:58,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-07-29 02:02:58,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-07-29 02:02:58,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:58,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:58,378 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 02:02:58,378 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:02:58,378 INFO L794 eck$LassoCheckResult]: Stem: 197#ULTIMATE.startENTRY ~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 183#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 181#L22-2 goto; 182#L381 [2020-07-29 02:02:58,379 INFO L796 eck$LassoCheckResult]: Loop: 182#L381 assume !false; 198#L27 assume 0 == main_~q~0; 216#L28 assume !(0 != main_#t~nondet0);havoc main_#t~nondet0; 182#L381 [2020-07-29 02:02:58,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,379 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-07-29 02:02:58,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015218269] [2020-07-29 02:02:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,386 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,394 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,395 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-07-29 02:02:58,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076658112] [2020-07-29 02:02:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,404 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-07-29 02:02:58,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293509193] [2020-07-29 02:02:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,420 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:02:58 BoogieIcfgContainer [2020-07-29 02:02:58,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:02:58,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:02:58,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:02:58,540 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:02:58,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:57" (3/4) ... [2020-07-29 02:02:58,544 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:02:58,603 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:02:58,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:02:58,609 INFO L168 Benchmark]: Toolchain (without parser) took 2234.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 957.5 MB in the beginning and 985.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,610 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:02:58,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,617 INFO L168 Benchmark]: Boogie Preprocessor took 36.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,619 INFO L168 Benchmark]: RCFGBuilder took 687.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,620 INFO L168 Benchmark]: BuchiAutomizer took 986.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.0 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,622 INFO L168 Benchmark]: Witness Printer took 64.01 ms. Allocated memory is still 1.2 GB. Free memory was 992.0 MB in the beginning and 985.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 687.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 986.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.0 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Witness Printer took 64.01 ms. Allocated memory is still 1.2 GB. Free memory was 992.0 MB in the beginning and 985.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. 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 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 22]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {m_sign=4, \result=0, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ee547e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ea81cab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69d98a4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23582924=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75a2b1fb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4703ffb7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2edb3bb7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@130d52dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c964c5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@362c0014=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d14d6de=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56452b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@769f0e4f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e4c2a7d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b7316b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76fdecb0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d9e5953=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68301170=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3016b586=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49f492e3=0, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@789e7956=0, this_state=0, q=0, m_Signature=3, method_id=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 22]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L5] int m_initSign = 1; [L6] int m_initVerify = 2; [L7] int m_Signature = 3; [L8] int m_sign = 4; [L9] int m_verify = 5; [L10] int m_update = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_state = 0; Loop: [L22] COND TRUE 1 [L27] COND TRUE q == 0 [L28] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...