./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0214.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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-0214.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 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:26:35,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:26:35,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:26:35,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:26:35,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:26:35,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:26:35,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:26:35,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:26:35,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:26:35,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:26:35,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:26:35,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:26:35,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:26:35,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:26:35,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:26:35,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:26:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:26:35,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:26:35,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:26:35,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:26:35,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:26:35,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:26:35,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:26:35,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:26:35,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:26:35,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:26:35,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:26:35,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:26:35,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:26:35,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:26:35,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:26:35,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:26:35,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:26:35,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:26:35,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:26:35,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:26:35,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:26:35,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:26:35,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:26:35,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:26:35,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:26:35,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:26:35,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:26:35,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:26:35,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:26:35,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:26:35,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:26:35,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:26:35,492 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:26:35,492 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:26:35,492 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:26:35,492 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:26:35,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:26:35,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:26:35,493 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:26:35,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:26:35,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:26:35,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:26:35,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:26:35,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:26:35,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:26:35,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:26:35,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:26:35,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:26:35,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:26:35,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:26:35,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:26:35,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:26:35,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:26:35,498 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:26:35,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 [2021-12-15 17:26:35,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:26:35,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:26:35,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:26:35,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:26:35,720 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:26:35,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0214.i [2021-12-15 17:26:35,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092d9f09/c8985fe1654a4d92941357daa05e7472/FLAG56db88f12 [2021-12-15 17:26:36,194 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:26:36,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0214.i [2021-12-15 17:26:36,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092d9f09/c8985fe1654a4d92941357daa05e7472/FLAG56db88f12 [2021-12-15 17:26:36,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092d9f09/c8985fe1654a4d92941357daa05e7472 [2021-12-15 17:26:36,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:26:36,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:26:36,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:36,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:26:36,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:26:36,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3011fe9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36, skipping insertion in model container [2021-12-15 17:26:36,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:26:36,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:26:36,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:36,504 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:26:36,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:36,563 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:26:36,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36 WrapperNode [2021-12-15 17:26:36,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:36,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:36,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:26:36,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:26:36,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,634 INFO L137 Inliner]: procedures = 181, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2021-12-15 17:26:36,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:36,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:26:36,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:26:36,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:26:36,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:26:36,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:26:36,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:26:36,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:26:36,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (1/1) ... [2021-12-15 17:26:36,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:36,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:36,708 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) [2021-12-15 17:26:36,721 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 [2021-12-15 17:26:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:26:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 17:26:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 17:26:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:26:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:26:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:26:36,872 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:26:36,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:26:36,876 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:26:37,107 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:26:37,111 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:26:37,111 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 17:26:37,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:37 BoogieIcfgContainer [2021-12-15 17:26:37,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:26:37,113 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:26:37,113 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:26:37,119 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:26:37,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:37,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:26:36" (1/3) ... [2021-12-15 17:26:37,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2142f111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:37, skipping insertion in model container [2021-12-15 17:26:37,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:37,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:36" (2/3) ... [2021-12-15 17:26:37,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2142f111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:37, skipping insertion in model container [2021-12-15 17:26:37,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:37,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:37" (3/3) ... [2021-12-15 17:26:37,122 INFO L388 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2021-12-15 17:26:37,157 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:26:37,157 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:26:37,158 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:26:37,158 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:26:37,158 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:26:37,158 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:26:37,159 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:26:37,159 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:26:37,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 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) [2021-12-15 17:26:37,215 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-12-15 17:26:37,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:37,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:37,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:26:37,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:37,220 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:26:37,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 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) [2021-12-15 17:26:37,226 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-12-15 17:26:37,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:37,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:37,227 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:26:37,227 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:37,231 INFO L791 eck$LassoCheckResult]: Stem: 24#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); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_#t~nondet22#1, main_#t~ret25#1, main_#t~nondet24#1, main_#t~nondet21#1, main_#t~nondet26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset; 25#L728-2true [2021-12-15 17:26:37,232 INFO L793 eck$LassoCheckResult]: Loop: 25#L728-2true assume !!(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1; 5#L726-2true assume !true; 23#L728-1true assume !true; 25#L728-2true [2021-12-15 17:26:37,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:37,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-12-15 17:26:37,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:37,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784910423] [2021-12-15 17:26:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:37,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:37,346 INFO L85 PathProgramCache]: Analyzing trace with hash 51626, now seen corresponding path program 1 times [2021-12-15 17:26:37,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:37,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098466777] [2021-12-15 17:26:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:37,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:37,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:37,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098466777] [2021-12-15 17:26:37,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098466777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:37,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:37,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:26:37,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785974728] [2021-12-15 17:26:37,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:37,387 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:26:37,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:37,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:26:37,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:26:37,411 INFO L87 Difference]: Start difference. First operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 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) 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) [2021-12-15 17:26:37,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:37,423 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2021-12-15 17:26:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:26:37,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2021-12-15 17:26:37,432 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-12-15 17:26:37,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 42 states and 59 transitions. [2021-12-15 17:26:37,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-12-15 17:26:37,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-12-15 17:26:37,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-12-15 17:26:37,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:37,440 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-12-15 17:26:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-12-15 17:26:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-12-15 17:26:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.425) internal successors, (57), 39 states have internal predecessors, (57), 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) [2021-12-15 17:26:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2021-12-15 17:26:37,461 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-12-15 17:26:37,461 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-12-15 17:26:37,461 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:26:37,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 59 transitions. [2021-12-15 17:26:37,462 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-12-15 17:26:37,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:37,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:37,463 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:26:37,463 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:37,463 INFO L791 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 100#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_#t~nondet22#1, main_#t~ret25#1, main_#t~nondet24#1, main_#t~nondet21#1, main_#t~nondet26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset; 101#L728-2 [2021-12-15 17:26:37,463 INFO L793 eck$LassoCheckResult]: Loop: 101#L728-2 assume !!(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1; 102#L726-2 assume !(0 != main_#t~nondet22#1);havoc main_#t~nondet22#1; 103#L728-1 assume !(0 != main_#t~nondet24#1);havoc main_#t~nondet24#1; 101#L728-2 [2021-12-15 17:26:37,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:37,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-12-15 17:26:37,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:37,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756289418] [2021-12-15 17:26:37,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:37,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2021-12-15 17:26:37,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:37,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467160873] [2021-12-15 17:26:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,495 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,500 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:37,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:37,500 INFO L85 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2021-12-15 17:26:37,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:37,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144282262] [2021-12-15 17:26:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:37,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,509 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:37,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:37,540 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:855) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:26:37,543 INFO L158 Benchmark]: Toolchain (without parser) took 1323.72ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.6MB in the beginning and 65.8MB in the end (delta: -3.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-15 17:26:37,543 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:37,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.82ms. Allocated memory is still 94.4MB. Free memory was 62.4MB in the beginning and 59.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:26:37,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.15ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 56.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:26:37,544 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 54.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:26:37,545 INFO L158 Benchmark]: RCFGBuilder took 425.39ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 37.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 17:26:37,545 INFO L158 Benchmark]: BuchiAutomizer took 428.82ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 65.8MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:37,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.82ms. Allocated memory is still 94.4MB. Free memory was 62.4MB in the beginning and 59.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.15ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 56.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 54.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.39ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 37.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 428.82ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 65.8MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:26:37,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable