./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-0217.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 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:54:24,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:54:24,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:54:24,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:54:24,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:54:24,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:54:24,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:54:24,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:54:24,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:54:24,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:54:24,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:54:24,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:54:24,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:54:24,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:54:24,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:54:24,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:54:24,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:54:24,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:54:24,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:54:24,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:54:24,151 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:54:24,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:54:24,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:54:24,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:54:24,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:54:24,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:54:24,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:54:24,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:54:24,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:54:24,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:54:24,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:54:24,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:54:24,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:54:24,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:54:24,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:54:24,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:54:24,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:54:24,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:54:24,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:54:24,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:54:24,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:54:24,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:54:24,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:54:24,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:54:24,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:54:24,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:54:24,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:54:24,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:54:24,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:54:24,207 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:54:24,207 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:54:24,207 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:54:24,208 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:54:24,208 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:54:24,209 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:54:24,209 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:54:24,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:54:24,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:54:24,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:54:24,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:54:24,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:54:24,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:54:24,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:54:24,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:54:24,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:54:24,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:54:24,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:54:24,212 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:54:24,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:54:24,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:54:24,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:54:24,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:54:24,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:54:24,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:54:24,214 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:54:24,215 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec [2022-07-13 04:54:24,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:54:24,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:54:24,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:54:24,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:54:24,507 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:54:24,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0217.i [2022-07-13 04:54:24,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17932ebd/dcfa10b203484a70be2cf5d7b51f894f/FLAG40a115d0d [2022-07-13 04:54:25,062 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:54:25,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0217.i [2022-07-13 04:54:25,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17932ebd/dcfa10b203484a70be2cf5d7b51f894f/FLAG40a115d0d [2022-07-13 04:54:25,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17932ebd/dcfa10b203484a70be2cf5d7b51f894f [2022-07-13 04:54:25,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:54:25,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:54:25,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:54:25,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:54:25,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:54:25,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:54:25" (1/1) ... [2022-07-13 04:54:25,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39765022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:25, skipping insertion in model container [2022-07-13 04:54:25,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:54:25" (1/1) ... [2022-07-13 04:54:25,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:54:25,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:54:25,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:54:25,969 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:54:26,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:54:26,050 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:54:26,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26 WrapperNode [2022-07-13 04:54:26,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:54:26,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:54:26,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:54:26,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:54:26,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,098 INFO L137 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2022-07-13 04:54:26,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:54:26,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:54:26,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:54:26,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:54:26,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:54:26,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:54:26,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:54:26,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:54:26,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (1/1) ... [2022-07-13 04:54:26,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:26,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:26,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:26,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:54:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 04:54:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 04:54:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 04:54:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 04:54:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:54:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 04:54:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 04:54:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 04:54:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 04:54:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:54:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:54:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:54:26,333 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:54:26,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:54:26,337 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 04:54:26,697 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:54:26,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:54:26,702 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-13 04:54:26,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:54:26 BoogieIcfgContainer [2022-07-13 04:54:26,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:54:26,707 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:54:26,707 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:54:26,709 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:54:26,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:26,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:54:25" (1/3) ... [2022-07-13 04:54:26,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70f80fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:54:26, skipping insertion in model container [2022-07-13 04:54:26,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:26,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:26" (2/3) ... [2022-07-13 04:54:26,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70f80fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:54:26, skipping insertion in model container [2022-07-13 04:54:26,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:26,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:54:26" (3/3) ... [2022-07-13 04:54:26,713 INFO L354 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2022-07-13 04:54:26,765 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:54:26,765 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:54:26,765 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:54:26,765 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:54:26,766 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:54:26,766 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:54:26,766 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:54:26,767 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:54:26,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 04:54:26,795 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-13 04:54:26,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:26,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:26,800 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 04:54:26,800 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:26,800 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:54:26,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 04:54:26,805 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-13 04:54:26,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:26,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:26,807 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 04:54:26,807 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:26,811 INFO L752 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);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); 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 29#L732-2true [2022-07-13 04:54:26,811 INFO L754 eck$LassoCheckResult]: Loop: 29#L732-2true assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 39#L730-2true assume !true; 47#L732-1true assume !true; 29#L732-2true [2022-07-13 04:54:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:26,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-07-13 04:54:26,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:26,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809822572] [2022-07-13 04:54:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:26,903 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:26,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:26,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:26,945 INFO L85 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2022-07-13 04:54:26,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:26,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163181061] [2022-07-13 04:54:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:26,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:26,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:54:26,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163181061] [2022-07-13 04:54:26,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163181061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:54:26,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:54:26,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 04:54:26,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043815856] [2022-07-13 04:54:26,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:54:26,988 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:54:26,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:54:27,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 04:54:27,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 04:54:27,020 INFO L87 Difference]: Start difference. First operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:27,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:54:27,035 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2022-07-13 04:54:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 04:54:27,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2022-07-13 04:54:27,048 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-13 04:54:27,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2022-07-13 04:54:27,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2022-07-13 04:54:27,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-07-13 04:54:27,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2022-07-13 04:54:27,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:54:27,058 INFO L369 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-13 04:54:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2022-07-13 04:54:27,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-07-13 04:54:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 04:54:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2022-07-13 04:54:27,084 INFO L392 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-13 04:54:27,084 INFO L374 stractBuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-13 04:54:27,085 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:54:27,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2022-07-13 04:54:27,088 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-13 04:54:27,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:27,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:27,089 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 04:54:27,089 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:27,090 INFO L752 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 117#L732-2 [2022-07-13 04:54:27,090 INFO L754 eck$LassoCheckResult]: Loop: 117#L732-2 assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 122#L730-2 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 147#L732-1 assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1; 117#L732-2 [2022-07-13 04:54:27,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:27,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-07-13 04:54:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:27,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69386065] [2022-07-13 04:54:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:27,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,119 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-07-13 04:54:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:27,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557219998] [2022-07-13 04:54:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:27,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:27,154 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-07-13 04:54:27,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:27,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928963553] [2022-07-13 04:54:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:27,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,172 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:27,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:27,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:54:27 BoogieIcfgContainer [2022-07-13 04:54:27,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:54:27,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:54:27,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:54:27,413 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:54:27,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:54:26" (3/4) ... [2022-07-13 04:54:27,415 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:54:27,445 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:54:27,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:54:27,446 INFO L158 Benchmark]: Toolchain (without parser) took 1856.19ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 40.1MB in the end (delta: 30.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,446 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:54:27,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.11ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.43ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,448 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,448 INFO L158 Benchmark]: RCFGBuilder took 574.62ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 79.8MB in the end (delta: -16.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,449 INFO L158 Benchmark]: BuchiAutomizer took 706.05ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 41.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,449 INFO L158 Benchmark]: Witness Printer took 32.33ms. Allocated memory is still 104.9MB. Free memory was 41.4MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:54:27,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.11ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.43ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.62ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 79.8MB in the end (delta: -16.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 706.05ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 41.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 32.33ms. Allocated memory is still 104.9MB. Free memory was 41.4MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 729]: 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 {next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@50cd7295=0, NULL=0, next=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@50cd7295=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@118376cf=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@118376cf=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c01c3a=0, NULL=0, list=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c0e5cc2=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5ab95d=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74e41c0d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54e46716=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1de9f48f=5, cursor=0, direction=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 729]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L728] static list_t list; Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:54:27,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)