./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0218.i --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/memsafety/test-0218.i -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 6f18184220956fe7b92d880dad06de43e18c04f3 .............................................................................................................................................................................................................................................................................................................................................................. 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 03:26:50,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:26:50,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:26:50,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:26:50,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:26:50,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:26:50,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:26:50,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:26:50,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:26:50,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:26:50,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:26:50,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:26:50,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:26:50,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:26:50,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:26:50,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:26:50,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:26:50,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:26:50,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:26:50,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:26:50,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:26:50,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:26:50,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:26:50,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:26:50,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:26:50,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:26:50,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:26:50,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:26:50,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:26:50,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:26:50,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:26:50,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:26:50,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:26:50,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:26:50,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:26:50,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:26:50,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:26:50,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:26:50,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:26:50,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:26:50,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:26:50,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:26:50,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:26:50,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:26:50,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:26:50,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:26:50,655 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:26:50,655 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:26:50,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:26:50,656 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:26:50,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:26:50,657 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:26:50,658 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:26:50,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:26:50,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:26:50,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:26:50,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:26:50,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:26:50,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:26:50,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:26:50,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:26:50,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:26:50,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:26:50,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:26:50,662 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:26:50,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:26:50,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:26:50,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:26:50,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:26:50,664 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:26:50,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:26:50,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:26:50,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:26:50,666 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:26:50,667 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:26:50,668 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 -> 6f18184220956fe7b92d880dad06de43e18c04f3 [2020-07-29 03:26:50,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:26:51,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:26:51,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:26:51,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:26:51,033 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:26:51,034 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0218.i [2020-07-29 03:26:51,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ef5be6e/9a8525b7aa6a46e59a33faa98093b09f/FLAG99c15e4ce [2020-07-29 03:26:51,665 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:26:51,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0218.i [2020-07-29 03:26:51,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ef5be6e/9a8525b7aa6a46e59a33faa98093b09f/FLAG99c15e4ce [2020-07-29 03:26:51,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ef5be6e/9a8525b7aa6a46e59a33faa98093b09f [2020-07-29 03:26:51,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:26:51,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:26:51,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:26:51,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:26:51,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:26:51,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:26:51" (1/1) ... [2020-07-29 03:26:51,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34318129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:51, skipping insertion in model container [2020-07-29 03:26:51,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:26:51" (1/1) ... [2020-07-29 03:26:51,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:26:52,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:26:52,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:26:52,630 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:26:52,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:26:52,780 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:26:52,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52 WrapperNode [2020-07-29 03:26:52,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:26:52,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:26:52,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:26:52,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:26:52,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:26:52,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:26:52,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:26:52,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:26:52,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (1/1) ... [2020-07-29 03:26:52,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:26:52,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:26:52,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:26:52,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:26:52,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (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 03:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-29 03:26:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-29 03:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 03:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 03:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 03:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 03:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 03:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-29 03:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:26:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:26:53,283 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 03:26:53,836 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:26:53,836 INFO L295 CfgBuilder]: Removed 21 assume(true) statements. [2020-07-29 03:26:53,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:53 BoogieIcfgContainer [2020-07-29 03:26:53,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:26:53,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:26:53,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:26:53,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:26:53,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:53,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:26:51" (1/3) ... [2020-07-29 03:26:53,848 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@277651d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:26:53, skipping insertion in model container [2020-07-29 03:26:53,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:53,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:52" (2/3) ... [2020-07-29 03:26:53,849 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@277651d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:26:53, skipping insertion in model container [2020-07-29 03:26:53,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:53,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:53" (3/3) ... [2020-07-29 03:26:53,852 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-0218.i [2020-07-29 03:26:53,904 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:26:53,905 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:26:53,905 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:26:53,905 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:26:53,905 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:26:53,905 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:26:53,906 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:26:53,906 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:26:53,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-07-29 03:26:53,961 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-07-29 03:26:53,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:53,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:53,969 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:26:53,969 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:26:53,970 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:26:53,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-07-29 03:26:53,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-07-29 03:26:53,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:53,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:53,979 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:26:53,979 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:26:53,987 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 7#L-1true havoc main_#res;havoc main_#t~ret30, main_#t~nondet29, main_#t~ret32, main_#t~nondet31, main_#t~nondet28, main_#t~nondet33, main_#t~mem34.base, main_#t~mem34.offset, main_#t~mem35.base, main_#t~mem35.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 36#L715-2true [2020-07-29 03:26:53,988 INFO L796 eck$LassoCheckResult]: Loop: 36#L715-2true assume !!(0 != main_#t~nondet28);havoc main_#t~nondet28; 13#L713-2true assume !true; 44#L715-1true assume !true; 36#L715-2true [2020-07-29 03:26:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:53,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2020-07-29 03:26:54,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:54,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038544461] [2020-07-29 03:26:54,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,109 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,145 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:54,147 INFO L82 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2020-07-29 03:26:54,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:54,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974132618] [2020-07-29 03:26:54,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:54,201 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#true} assume !!(0 != main_#t~nondet28);havoc main_#t~nondet28; {58#true} is VALID [2020-07-29 03:26:54,202 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#true} assume !true; {59#false} is VALID [2020-07-29 03:26:54,203 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#false} assume !true; {59#false} is VALID [2020-07-29 03:26:54,205 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 03:26:54,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974132618] [2020-07-29 03:26:54,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 03:26:54,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 03:26:54,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507569376] [2020-07-29 03:26:54,213 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 03:26:54,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 03:26:54,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-29 03:26:54,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-29 03:26:54,232 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2020-07-29 03:26:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:26:54,334 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2020-07-29 03:26:54,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-29 03:26:54,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 03:26:54,344 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:26:54,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2020-07-29 03:26:54,352 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-07-29 03:26:54,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2020-07-29 03:26:54,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-07-29 03:26:54,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2020-07-29 03:26:54,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2020-07-29 03:26:54,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:26:54,365 INFO L688 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-07-29 03:26:54,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2020-07-29 03:26:54,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-07-29 03:26:54,406 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 03:26:54,407 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states and 68 transitions. Second operand 48 states. [2020-07-29 03:26:54,408 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states and 68 transitions. Second operand 48 states. [2020-07-29 03:26:54,410 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand 48 states. [2020-07-29 03:26:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:26:54,416 INFO L93 Difference]: Finished difference Result 48 states and 68 transitions. [2020-07-29 03:26:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2020-07-29 03:26:54,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 03:26:54,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 03:26:54,419 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states and 68 transitions. [2020-07-29 03:26:54,419 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states and 68 transitions. [2020-07-29 03:26:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:26:54,424 INFO L93 Difference]: Finished difference Result 48 states and 68 transitions. [2020-07-29 03:26:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2020-07-29 03:26:54,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 03:26:54,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 03:26:54,426 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 03:26:54,426 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 03:26:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-29 03:26:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2020-07-29 03:26:54,432 INFO L711 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-07-29 03:26:54,432 INFO L591 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-07-29 03:26:54,432 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:26:54,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2020-07-29 03:26:54,434 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-07-29 03:26:54,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:54,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:54,435 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:26:54,436 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:26:54,436 INFO L794 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 135#L-1 havoc main_#res;havoc main_#t~ret30, main_#t~nondet29, main_#t~ret32, main_#t~nondet31, main_#t~nondet28, main_#t~nondet33, main_#t~mem34.base, main_#t~mem34.offset, main_#t~mem35.base, main_#t~mem35.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 136#L715-2 [2020-07-29 03:26:54,436 INFO L796 eck$LassoCheckResult]: Loop: 136#L715-2 assume !!(0 != main_#t~nondet28);havoc main_#t~nondet28; 113#L713-2 assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; 119#L715-1 assume !(0 != main_#t~nondet31);havoc main_#t~nondet31; 136#L715-2 [2020-07-29 03:26:54,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:54,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2020-07-29 03:26:54,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:54,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073881501] [2020-07-29 03:26:54,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:54,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:54,484 INFO L82 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2020-07-29 03:26:54,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:54,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236070896] [2020-07-29 03:26:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,511 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2020-07-29 03:26:54,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:54,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883214210] [2020-07-29 03:26:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:54,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:54,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:54,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:26:54 BoogieIcfgContainer [2020-07-29 03:26:54,821 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:26:54,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:26:54,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:26:54,822 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:26:54,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:53" (3/4) ... [2020-07-29 03:26:54,829 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 03:26:54,907 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 03:26:54,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:26:54,915 INFO L168 Benchmark]: Toolchain (without parser) took 2957.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.9 MB in the beginning and 969.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:54,916 INFO L168 Benchmark]: CDTParser took 0.29 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 03:26:54,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:54,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:54,918 INFO L168 Benchmark]: Boogie Preprocessor took 85.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:26:54,920 INFO L168 Benchmark]: RCFGBuilder took 900.76 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: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:54,923 INFO L168 Benchmark]: BuchiAutomizer took 978.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.4 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:54,923 INFO L168 Benchmark]: Witness Printer took 86.34 ms. Allocated memory is still 1.2 GB. Free memory is still 969.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:26:54,933 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 0.29 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 825.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 900.76 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: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 978.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.4 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * Witness Printer took 86.34 ms. Allocated memory is still 1.2 GB. Free memory is still 969.4 MB. 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 2 locations. The remainder module has 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 48 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 72 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 712]: 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 {cursor=0, NULL=0, \result=0, end_point=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6234bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24ed933=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@62de8d48=0, NULL=0, list=2, list=0, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75bf573e=14, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ae31616=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@16bc682a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@16bc682a=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e611203=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@62de8d48=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a82b995=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 712]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L711] static list_t list; Loop: [L712] COND TRUE __VERIFIER_nondet_int() [L713] COND FALSE !(__VERIFIER_nondet_int()) [L715] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...