./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0218.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/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 e525b3430c323c2625b8036d0fc4c6ff8b8539ba ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:26:36,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:26:36,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:26:36,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:26:36,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:26:36,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:26:36,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:26:36,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:26:36,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:26:36,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:26:36,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:26:36,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:26:36,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:26:36,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:26:36,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:26:36,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:26:36,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:26:36,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:26:36,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:26:36,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:26:36,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:26:36,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:26:36,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:26:36,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:26:36,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:26:36,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:26:36,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:26:36,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:26:36,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:26:36,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:26:36,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:26:36,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:26:36,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:26:36,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:26:36,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:26:36,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:26:36,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:26:36,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:26:36,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:26:36,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:26:36,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:26:36,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:26:36,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:26:36,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:26:36,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:26:36,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:26:36,820 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:26:36,821 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:26:36,821 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:26:36,821 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:26:36,822 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:26:36,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:26:36,823 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:26:36,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:26:36,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:26:36,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:26:36,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:26:36,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:26:36,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:26:36,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:26:36,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:26:36,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:26:36,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:26:36,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:26:36,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:26:36,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:26:36,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:26:36,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:26:36,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:26:36,830 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:26:36,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:26:36,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:26:36,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:26:36,831 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:26:36,833 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:26:36,833 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 -> e525b3430c323c2625b8036d0fc4c6ff8b8539ba [2020-10-19 20:26:37,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:26:37,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:26:37,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:26:37,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:26:37,171 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:26:37,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0218.i [2020-10-19 20:26:37,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bdd2f3f/02d5771c9978448fa8bc4aaedc2e987a/FLAG13e9fa111 [2020-10-19 20:26:37,814 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:26:37,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0218.i [2020-10-19 20:26:37,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bdd2f3f/02d5771c9978448fa8bc4aaedc2e987a/FLAG13e9fa111 [2020-10-19 20:26:38,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bdd2f3f/02d5771c9978448fa8bc4aaedc2e987a [2020-10-19 20:26:38,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:26:38,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:26:38,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:26:38,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:26:38,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:26:38,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401c0178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38, skipping insertion in model container [2020-10-19 20:26:38,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:26:38,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:26:38,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:26:38,670 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:26:38,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:26:38,801 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:26:38,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38 WrapperNode [2020-10-19 20:26:38,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:26:38,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:26:38,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:26:38,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:26:38,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:26:38,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:26:38,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:26:38,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:26:38,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... [2020-10-19 20:26:38,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:26:38,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:26:38,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:26:38,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:26:38,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 20:26:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 20:26:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 20:26:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 20:26:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:26:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 20:26:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 20:26:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 20:26:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:26:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:26:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:26:39,139 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 20:26:39,548 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:26:39,548 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-19 20:26:39,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:39 BoogieIcfgContainer [2020-10-19 20:26:39,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:26:39,551 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:26:39,551 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:26:39,555 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:26:39,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:39,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:26:38" (1/3) ... [2020-10-19 20:26:39,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf4febc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:26:39, skipping insertion in model container [2020-10-19 20:26:39,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:39,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:38" (2/3) ... [2020-10-19 20:26:39,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf4febc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:26:39, skipping insertion in model container [2020-10-19 20:26:39,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:39,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:39" (3/3) ... [2020-10-19 20:26:39,561 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-0218.i [2020-10-19 20:26:39,612 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:26:39,612 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:26:39,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:26:39,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:26:39,613 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:26:39,613 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:26:39,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:26:39,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:26:39,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-10-19 20:26:39,661 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-19 20:26:39,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:39,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:39,670 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 20:26:39,670 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 20:26:39,670 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:26:39,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-10-19 20:26:39,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-19 20:26:39,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:39,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:39,676 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 20:26:39,676 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 20:26:39,685 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);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~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 37#L726-2true [2020-10-19 20:26:39,685 INFO L796 eck$LassoCheckResult]: Loop: 37#L726-2true assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 12#L724-2true assume !true; 44#L726-1true assume !true; 37#L726-2true [2020-10-19 20:26:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:39,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2020-10-19 20:26:39,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:39,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696640906] [2020-10-19 20:26:39,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:39,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:39,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:39,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:39,862 INFO L82 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2020-10-19 20:26:39,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:39,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787167070] [2020-10-19 20:26:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:39,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787167070] [2020-10-19 20:26:39,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:26:39,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 20:26:39,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254403395] [2020-10-19 20:26:39,910 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:26:39,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:26:39,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 20:26:39,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 20:26:39,930 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2020-10-19 20:26:39,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:26:39,942 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2020-10-19 20:26:39,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:26:39,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2020-10-19 20:26:39,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-19 20:26:39,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2020-10-19 20:26:39,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-10-19 20:26:39,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2020-10-19 20:26:39,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2020-10-19 20:26:39,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:26:39,957 INFO L691 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-19 20:26:39,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2020-10-19 20:26:39,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-19 20:26:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-19 20:26:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2020-10-19 20:26:39,991 INFO L714 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-19 20:26:39,991 INFO L594 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-19 20:26:39,991 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:26:39,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2020-10-19 20:26:39,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-19 20:26:39,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:39,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:39,994 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 20:26:39,994 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 20:26:39,994 INFO L794 eck$LassoCheckResult]: Stem: 157#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 132#L-1 havoc main_#res;havoc main_#t~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 133#L726-2 [2020-10-19 20:26:39,994 INFO L796 eck$LassoCheckResult]: Loop: 133#L726-2 assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 135#L724-2 assume !(0 != main_#t~nondet32);havoc main_#t~nondet32; 117#L726-1 assume !(0 != main_#t~nondet34);havoc main_#t~nondet34; 133#L726-2 [2020-10-19 20:26:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2020-10-19 20:26:39,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:39,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383977417] [2020-10-19 20:26:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:40,033 INFO L82 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2020-10-19 20:26:40,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:40,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114877376] [2020-10-19 20:26:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,040 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2020-10-19 20:26:40,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:40,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142555569] [2020-10-19 20:26:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:40,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:40,084 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:40,342 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-10-19 20:26:40,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:26:40 BoogieIcfgContainer [2020-10-19 20:26:40,475 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:26:40,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:26:40,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:26:40,476 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:26:40,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:39" (3/4) ... [2020-10-19 20:26:40,482 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 20:26:40,553 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 20:26:40,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:26:40,561 INFO L168 Benchmark]: Toolchain (without parser) took 2480.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.2 MB in the beginning and 986.8 MB in the end (delta: -33.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:40,562 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:26:40,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:40,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.31 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. [2020-10-19 20:26:40,566 INFO L168 Benchmark]: Boogie Preprocessor took 41.64 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. [2020-10-19 20:26:40,567 INFO L168 Benchmark]: RCFGBuilder took 640.77 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:40,570 INFO L168 Benchmark]: BuchiAutomizer took 923.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.8 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:40,570 INFO L168 Benchmark]: Witness Printer took 78.41 ms. Allocated memory is still 1.2 GB. Free memory is still 986.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:26:40,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.31 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 41.64 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 640.77 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 923.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.8 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * Witness Printer took 78.41 ms. Allocated memory is still 1.2 GB. Free memory is still 986.8 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 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: 723]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=30215} State at position 1 is {cursor=0, NULL=0, NULL=30216, \result=0, NULL=30215, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e13a57e=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@326b38dd=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@171daef2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@171daef2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@6f692f62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525283bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70644275=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@592d06e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@306e7956=0, end_point=0, NULL=30218, NULL=0, list=30217, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@6f692f62=0, next=0, next=0, cursor=0, direction=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 723]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L722] static list_t list; Loop: [L723] COND TRUE __VERIFIER_nondet_int() [L724] COND FALSE !(__VERIFIER_nondet_int()) [L726] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...