./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/build_fullname.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/termination-dietlibc/build_fullname.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash a94efb38726e31d82dd0f9b69ca78af66088512f062899ae9486e09091250b69 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:51:27,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:51:27,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:51:27,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:51:27,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:51:27,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:51:27,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:51:27,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:51:27,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:51:27,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:51:27,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:51:27,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:51:27,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:51:27,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:51:27,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:51:27,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:51:27,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:51:27,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:51:27,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:51:27,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:51:27,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:51:27,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:51:27,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:51:27,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:51:27,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:51:27,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:51:27,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:51:27,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:51:27,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:51:27,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:51:27,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:51:27,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:51:27,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:51:27,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:51:27,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:51:27,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:51:27,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:51:27,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:51:27,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:51:27,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:51:27,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:51:27,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-22 19:51:27,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:51:27,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:51:27,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:51:27,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:51:27,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:51:27,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:51:27,574 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:51:27,574 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:51:27,574 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:51:27,574 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:51:27,575 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:51:27,575 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:51:27,575 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:51:27,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:51:27,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:51:27,577 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:51:27,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:51:27,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:51:27,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:51:27,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:51:27,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:51:27,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:51:27,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:51:27,578 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:51:27,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94efb38726e31d82dd0f9b69ca78af66088512f062899ae9486e09091250b69 [2021-12-22 19:51:27,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:51:27,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:51:27,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:51:27,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:51:27,774 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:51:27,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/build_fullname.i [2021-12-22 19:51:27,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f787c7da/07e98c3f0b6940798b59de09451f5dde/FLAGd3ddcd9c8 [2021-12-22 19:51:28,179 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:51:28,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/build_fullname.i [2021-12-22 19:51:28,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f787c7da/07e98c3f0b6940798b59de09451f5dde/FLAGd3ddcd9c8 [2021-12-22 19:51:28,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f787c7da/07e98c3f0b6940798b59de09451f5dde [2021-12-22 19:51:28,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:51:28,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:51:28,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:51:28,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:51:28,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:51:28,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:28,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f403f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28, skipping insertion in model container [2021-12-22 19:51:28,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:28,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:51:28,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:51:28,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:51:28,932 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:51:28,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:51:28,996 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:51:28,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28 WrapperNode [2021-12-22 19:51:28,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:51:28,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:51:28,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:51:28,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:51:29,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,051 INFO L137 Inliner]: procedures = 115, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 147 [2021-12-22 19:51:29,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:51:29,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:51:29,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:51:29,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:51:29,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:51:29,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:51:29,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:51:29,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:51:29,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (1/1) ... [2021-12-22 19:51:29,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:51:29,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:51:29,121 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) [2021-12-22 19:51:29,123 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 [2021-12-22 19:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 19:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 19:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 19:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 19:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:51:29,214 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:51:29,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:51:29,417 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:51:29,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:51:29,422 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 19:51:29,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:51:29 BoogieIcfgContainer [2021-12-22 19:51:29,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:51:29,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:51:29,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:51:29,426 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:51:29,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:51:29,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:51:28" (1/3) ... [2021-12-22 19:51:29,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a6cb7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:51:29, skipping insertion in model container [2021-12-22 19:51:29,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:51:29,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:51:28" (2/3) ... [2021-12-22 19:51:29,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a6cb7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:51:29, skipping insertion in model container [2021-12-22 19:51:29,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:51:29,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:51:29" (3/3) ... [2021-12-22 19:51:29,430 INFO L388 chiAutomizerObserver]: Analyzing ICFG build_fullname.i [2021-12-22 19:51:29,458 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:51:29,459 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:51:29,459 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:51:29,459 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:51:29,459 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:51:29,459 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:51:29,459 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:51:29,459 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:51:29,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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) [2021-12-22 19:51:29,491 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-22 19:51:29,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:51:29,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:51:29,495 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:51:29,496 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:51:29,496 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:51:29,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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) [2021-12-22 19:51:29,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-22 19:51:29,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:51:29,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:51:29,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:51:29,503 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:51:29,508 INFO L791 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 22#L532true assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 20#L534true assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 23#L521true assume build_fullname_#t~short10#1;call build_fullname_#t~mem9#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 0 == build_fullname_#t~mem9#1; 6#L521-2true assume build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call write~int(47, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 1);build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;havoc build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset; 4#L523-4true assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 21#L508-8true [2021-12-22 19:51:29,508 INFO L793 eck$LassoCheckResult]: Loop: 21#L508-8true strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 19#L508-6true assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 21#L508-8true [2021-12-22 19:51:29,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:51:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1806905919, now seen corresponding path program 1 times [2021-12-22 19:51:29,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:51:29,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55271442] [2021-12-22 19:51:29,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:51:29,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:51:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,662 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:51:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:51:29,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:51:29,731 INFO L85 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 1 times [2021-12-22 19:51:29,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:51:29,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060173465] [2021-12-22 19:51:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:51:29,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:51:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,758 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:51:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,764 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:51:29,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:51:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1269803204, now seen corresponding path program 1 times [2021-12-22 19:51:29,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:51:29,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077013701] [2021-12-22 19:51:29,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:51:29,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:51:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,809 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:51:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:51:29,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:51:31,266 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:51:31,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:51:31,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:51:31,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:51:31,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:51:31,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:51:31,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:51:31,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:51:31,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration1_Lasso [2021-12-22 19:51:31,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:51:31,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:51:31,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:51:31,987 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-22 19:51:31,991 INFO L158 Benchmark]: Toolchain (without parser) took 3399.16ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 79.9MB in the beginning and 109.7MB in the end (delta: -29.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,991 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:51:31,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.03ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,992 INFO L158 Benchmark]: Boogie Preprocessor took 39.68ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,993 INFO L158 Benchmark]: RCFGBuilder took 330.89ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 59.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,993 INFO L158 Benchmark]: BuchiAutomizer took 2565.80ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 59.7MB in the beginning and 109.7MB in the end (delta: -50.1MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-12-22 19:51:31,995 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 109.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.03ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.68ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.89ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 59.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2565.80ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 59.7MB in the beginning and 109.7MB in the end (delta: -50.1MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-22 19:51:32,019 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null