./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/array02-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/array-memsafety/array02-alloca-2.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 6376f52a263bde0c709cb35a0d040626ae764c5527f8161f54a95df7802768d2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 03:12:31,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 03:12:31,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 03:12:31,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 03:12:31,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 03:12:31,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 03:12:31,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 03:12:31,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 03:12:31,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 03:12:31,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 03:12:31,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 03:12:31,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 03:12:31,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 03:12:31,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 03:12:31,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 03:12:31,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 03:12:31,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 03:12:31,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 03:12:31,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 03:12:31,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 03:12:31,152 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 03:12:31,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 03:12:31,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 03:12:31,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 03:12:31,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 03:12:31,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 03:12:31,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 03:12:31,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 03:12:31,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 03:12:31,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 03:12:31,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 03:12:31,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 03:12:31,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 03:12:31,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 03:12:31,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 03:12:31,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 03:12:31,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 03:12:31,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 03:12:31,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 03:12:31,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 03:12:31,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 03:12:31,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 03:12:31,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 03:12:31,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 03:12:31,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 03:12:31,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 03:12:31,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 03:12:31,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 03:12:31,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 03:12:31,226 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 03:12:31,226 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 03:12:31,227 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 03:12:31,228 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 03:12:31,228 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 03:12:31,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 03:12:31,228 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 03:12:31,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 03:12:31,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 03:12:31,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 03:12:31,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 03:12:31,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 03:12:31,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 03:12:31,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 03:12:31,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 03:12:31,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 03:12:31,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 03:12:31,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 03:12:31,231 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 03:12:31,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 03:12:31,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 03:12:31,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 03:12:31,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 03:12:31,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 03:12:31,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 03:12:31,234 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 03:12:31,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6376f52a263bde0c709cb35a0d040626ae764c5527f8161f54a95df7802768d2 [2022-07-22 03:12:31,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 03:12:31,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 03:12:31,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 03:12:31,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 03:12:31,615 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 03:12:31,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2022-07-22 03:12:31,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76725d98/bf474cf31b0c4c56abaa3424f1148e92/FLAGb2a63bc13 [2022-07-22 03:12:32,243 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 03:12:32,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2022-07-22 03:12:32,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76725d98/bf474cf31b0c4c56abaa3424f1148e92/FLAGb2a63bc13 [2022-07-22 03:12:32,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76725d98/bf474cf31b0c4c56abaa3424f1148e92 [2022-07-22 03:12:32,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 03:12:32,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 03:12:32,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 03:12:32,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 03:12:32,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 03:12:32,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:12:32" (1/1) ... [2022-07-22 03:12:32,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef00ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:32, skipping insertion in model container [2022-07-22 03:12:32,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:12:32" (1/1) ... [2022-07-22 03:12:32,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 03:12:32,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 03:12:32,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:12:32,926 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 03:12:32,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:12:33,007 INFO L208 MainTranslator]: Completed translation [2022-07-22 03:12:33,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33 WrapperNode [2022-07-22 03:12:33,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 03:12:33,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 03:12:33,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 03:12:33,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 03:12:33,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,063 INFO L137 Inliner]: procedures = 116, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-07-22 03:12:33,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 03:12:33,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 03:12:33,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 03:12:33,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 03:12:33,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 03:12:33,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 03:12:33,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 03:12:33,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 03:12:33,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (1/1) ... [2022-07-22 03:12:33,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:33,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:33,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 03:12:33,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 03:12:33,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 03:12:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 03:12:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 03:12:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 03:12:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 03:12:33,319 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 03:12:33,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 03:12:33,510 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 03:12:33,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 03:12:33,518 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-22 03:12:33,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:12:33 BoogieIcfgContainer [2022-07-22 03:12:33,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 03:12:33,522 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 03:12:33,522 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 03:12:33,525 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 03:12:33,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:33,526 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 03:12:32" (1/3) ... [2022-07-22 03:12:33,527 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d6c62d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:12:33, skipping insertion in model container [2022-07-22 03:12:33,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:33,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:33" (2/3) ... [2022-07-22 03:12:33,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d6c62d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:12:33, skipping insertion in model container [2022-07-22 03:12:33,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:33,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:12:33" (3/3) ... [2022-07-22 03:12:33,530 INFO L354 chiAutomizerObserver]: Analyzing ICFG array02-alloca-2.i [2022-07-22 03:12:33,585 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 03:12:33,585 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 03:12:33,585 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 03:12:33,586 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 03:12:33,586 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 03:12:33,586 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 03:12:33,586 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 03:12:33,586 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 03:12:33,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:33,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-22 03:12:33,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:33,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:33,620 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:12:33,621 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:12:33,621 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 03:12:33,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:33,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-22 03:12:33,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:33,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:33,625 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:12:33,625 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:12:33,631 INFO L752 eck$LassoCheckResult]: Stem: 4#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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 9#L530true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 5#L530-2true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~k~0#1 := 0; 3#L535-3true [2022-07-22 03:12:33,631 INFO L754 eck$LassoCheckResult]: Loop: 3#L535-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet14#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet14#1; 6#L535-2true main_#t~post13#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 3#L535-3true [2022-07-22 03:12:33,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:33,646 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-22 03:12:33,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:33,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344499535] [2022-07-22 03:12:33,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:33,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:33,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-22 03:12:33,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:33,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303754202] [2022-07-22 03:12:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-22 03:12:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:33,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428600629] [2022-07-22 03:12:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,876 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:33,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:34,156 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:34,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:34,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:34,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:34,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:12:34,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:34,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:34,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration1_Lasso [2022-07-22 03:12:34,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:34,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:34,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:34,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:12:34,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:12:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 03:12:34,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:34,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:34,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:34,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:34,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-22 03:12:34,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 03:12:34,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:34,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:34,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:34,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-22 03:12:34,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 03:12:34,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:34,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:34,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:34,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:34,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 03:12:34,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:34,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:34,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:34,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:34,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:34,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 03:12:34,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:34,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:34,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:34,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:34,935 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:34,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 03:12:34,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:34,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:34,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:34,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:34,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:34,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:34,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:34,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:35,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:35,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:35,005 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:35,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:35,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:35,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:35,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:35,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:35,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:35,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:35,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 03:12:35,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:35,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:35,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:35,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:35,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:35,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 03:12:35,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:35,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:35,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:35,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:35,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:35,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:35,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:35,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:35,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:35,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:35,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:35,128 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:35,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 03:12:35,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:35,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:35,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:35,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:35,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:35,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:35,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:35,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:12:35,221 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-22 03:12:35,221 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-07-22 03:12:35,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:35,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:35,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:35,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:12:35,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 03:12:35,268 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 03:12:35,268 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:12:35,269 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1, ULTIMATE.start_main_~k~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~k~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-22 03:12:35,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:35,313 INFO L293 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-07-22 03:12:35,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:35,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:12:35,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:35,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:12:35,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:35,487 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:12:35,488 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:35,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:35,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Result 41 states and 61 transitions. Complement of second has 8 states. [2022-07-22 03:12:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:12:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2022-07-22 03:12:35,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 03:12:35,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:35,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 03:12:35,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:35,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-22 03:12:35,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:35,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2022-07-22 03:12:35,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 03:12:35,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 14 states and 19 transitions. [2022-07-22 03:12:35,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-07-22 03:12:35,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-07-22 03:12:35,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-07-22 03:12:35,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:12:35,670 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-22 03:12:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-07-22 03:12:35,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-07-22 03:12:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-07-22 03:12:35,694 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-22 03:12:35,694 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-22 03:12:35,694 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 03:12:35,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-07-22 03:12:35,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 03:12:35,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:35,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:35,696 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 03:12:35,697 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 03:12:35,698 INFO L752 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; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 134#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 133#L530-2 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~k~0#1 := 0; 127#L535-3 assume !(main_~k~0#1 < main_~array_size~0#1); 129#L535-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~mem8#1, test_fun_#t~post9#1, test_fun_#t~post10#1, test_fun_#t~mem7#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~pos~0#1, test_fun_~neg~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~pos~0#1 := 0;test_fun_~neg~0#1 := 0;test_fun_~i~0#1 := 0; 136#L517-3 [2022-07-22 03:12:35,698 INFO L754 eck$LassoCheckResult]: Loop: 136#L517-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 139#L518-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 140#L518-1 assume !(test_fun_#t~mem3#1 < 0);havoc test_fun_#t~mem3#1; 137#L522-2 call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 138#L522 assume !(test_fun_#t~mem7#1 > 0);havoc test_fun_#t~mem7#1; 135#L517-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 136#L517-3 [2022-07-22 03:12:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:35,699 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-22 03:12:35,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:35,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080112076] [2022-07-22 03:12:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:35,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:35,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:12:35,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080112076] [2022-07-22 03:12:35,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080112076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:12:35,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:12:35,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 03:12:35,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610011588] [2022-07-22 03:12:35,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:12:35,806 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 03:12:35,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:35,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 1 times [2022-07-22 03:12:35,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:35,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477270769] [2022-07-22 03:12:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:35,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:35,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:35,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:12:35,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 03:12:35,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 03:12:35,895 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:12:35,929 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-07-22 03:12:35,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 03:12:35,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-07-22 03:12:35,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 03:12:35,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-07-22 03:12:35,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-07-22 03:12:35,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-07-22 03:12:35,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-07-22 03:12:35,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:12:35,934 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-07-22 03:12:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-07-22 03:12:35,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-07-22 03:12:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-07-22 03:12:35,937 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-07-22 03:12:35,937 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-07-22 03:12:35,937 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 03:12:35,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-07-22 03:12:35,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 03:12:35,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:35,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:35,940 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:12:35,940 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 03:12:35,940 INFO L752 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 170#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 169#L530-2 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~k~0#1 := 0; 163#L535-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet14#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet14#1; 164#L535-2 main_#t~post13#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 165#L535-3 assume !(main_~k~0#1 < main_~array_size~0#1); 166#L535-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~mem8#1, test_fun_#t~post9#1, test_fun_#t~post10#1, test_fun_#t~mem7#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~pos~0#1, test_fun_~neg~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~pos~0#1 := 0;test_fun_~neg~0#1 := 0;test_fun_~i~0#1 := 0; 172#L517-3 [2022-07-22 03:12:35,941 INFO L754 eck$LassoCheckResult]: Loop: 172#L517-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 175#L518-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 176#L518-1 assume !(test_fun_#t~mem3#1 < 0);havoc test_fun_#t~mem3#1; 173#L522-2 call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 174#L522 assume !(test_fun_#t~mem7#1 > 0);havoc test_fun_#t~mem7#1; 171#L517-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 172#L517-3 [2022-07-22 03:12:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:35,941 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-22 03:12:35,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127853645] [2022-07-22 03:12:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:35,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:35,975 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:35,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:35,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 2 times [2022-07-22 03:12:35,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:35,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241864066] [2022-07-22 03:12:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:36,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:36,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -258934749, now seen corresponding path program 1 times [2022-07-22 03:12:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:36,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081179453] [2022-07-22 03:12:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:36,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:36,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:36,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:36,432 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:36,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:36,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:36,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:36,433 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:12:36,433 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:36,433 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:36,433 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:36,433 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration3_Lasso [2022-07-22 03:12:36,433 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:36,434 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:36,508 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:109) 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:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) 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) [2022-07-22 03:12:36,510 INFO L158 Benchmark]: Toolchain (without parser) took 3955.09ms. Allocated memory was 50.3MB in the beginning and 92.3MB in the end (delta: 41.9MB). Free memory was 24.4MB in the beginning and 66.7MB in the end (delta: -42.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-07-22 03:12:36,510 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:12:36,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.37ms. Allocated memory is still 62.9MB. Free memory was 47.8MB in the beginning and 40.0MB in the end (delta: 7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 03:12:36,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.95ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 03:12:36,512 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 36.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:12:36,512 INFO L158 Benchmark]: RCFGBuilder took 406.00ms. Allocated memory is still 62.9MB. Free memory was 36.8MB in the beginning and 41.4MB in the end (delta: -4.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-22 03:12:36,513 INFO L158 Benchmark]: BuchiAutomizer took 2986.96ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.4MB in the beginning and 66.7MB in the end (delta: -25.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-07-22 03:12:36,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.37ms. Allocated memory is still 62.9MB. Free memory was 47.8MB in the beginning and 40.0MB in the end (delta: 7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.95ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 36.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.00ms. Allocated memory is still 62.9MB. Free memory was 36.8MB in the beginning and 41.4MB in the end (delta: -4.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2986.96ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.4MB in the beginning and 66.7MB in the end (delta: -25.3MB). Peak memory consumption was 27.9MB. 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. [2022-07-22 03:12:36,531 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: IllegalArgumentException: null