./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer --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 7360833afd5a8b935377ce87ce4cc4a6584d3d0c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:07:50,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:07:50,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:07:50,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:07:50,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:07:50,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:07:50,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:07:50,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:07:50,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:07:50,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:07:50,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:07:50,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:07:50,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:07:50,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:07:50,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:07:50,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:07:50,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:07:50,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:07:50,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:07:50,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:07:50,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:07:50,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:07:50,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:07:50,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:07:50,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:07:50,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:07:50,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:07:50,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:07:50,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:07:50,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:07:50,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:07:50,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:07:50,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:07:50,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:07:50,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:07:50,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:07:50,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:07:50,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:07:50,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:07:50,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:07:50,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:07:50,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:07:50,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:07:50,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:07:50,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:07:50,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:07:50,308 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:07:50,308 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:07:50,308 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:07:50,308 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:07:50,308 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:07:50,309 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:07:50,309 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:07:50,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:07:50,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:07:50,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:07:50,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:07:50,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:07:50,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:07:50,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:07:50,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:07:50,311 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:07:50,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:07:50,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:07:50,312 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:07:50,312 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:07:50,313 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer 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 -> 7360833afd5a8b935377ce87ce4cc4a6584d3d0c [2019-11-19 23:07:50,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:07:50,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:07:50,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:07:50,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:07:50,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:07:50,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-11-19 23:07:50,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/data/adc6eee58/12e0292546644977a02e0879693c68a5/FLAG9fa48a81d [2019-11-19 23:07:50,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:07:50,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-11-19 23:07:50,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/data/adc6eee58/12e0292546644977a02e0879693c68a5/FLAG9fa48a81d [2019-11-19 23:07:51,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/data/adc6eee58/12e0292546644977a02e0879693c68a5 [2019-11-19 23:07:51,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:07:51,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:07:51,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:07:51,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:07:51,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:07:51,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aac797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51, skipping insertion in model container [2019-11-19 23:07:51,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:07:51,404 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:07:51,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:07:51,715 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:07:51,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:07:51,795 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:07:51,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51 WrapperNode [2019-11-19 23:07:51,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:07:51,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:07:51,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:07:51,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:07:51,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:07:51,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:07:51,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:07:51,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:07:51,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... [2019-11-19 23:07:51,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:07:51,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:07:51,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:07:51,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:07:51,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:07:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:07:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:07:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:07:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:07:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:07:52,301 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:07:52,302 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 23:07:52,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:07:52 BoogieIcfgContainer [2019-11-19 23:07:52,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:07:52,303 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:07:52,303 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:07:52,306 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:07:52,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:07:52,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:07:51" (1/3) ... [2019-11-19 23:07:52,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a9fb3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:07:52, skipping insertion in model container [2019-11-19 23:07:52,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:07:52,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:07:51" (2/3) ... [2019-11-19 23:07:52,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a9fb3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:07:52, skipping insertion in model container [2019-11-19 23:07:52,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:07:52,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:07:52" (3/3) ... [2019-11-19 23:07:52,312 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2019-11-19 23:07:52,366 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:07:52,367 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:07:52,369 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:07:52,369 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:07:52,369 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:07:52,370 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:07:52,370 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:07:52,370 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:07:52,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 23:07:52,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-19 23:07:52,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:07:52,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:07:52,418 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:07:52,418 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:07:52,418 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:07:52,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 23:07:52,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-19 23:07:52,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:07:52,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:07:52,422 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:07:52,422 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:07:52,431 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13.base, main_#t~ret13.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length2~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 4#L568true assume !(main_~length1~0 < 1); 6#L568-2true assume !(main_~length2~0 < 1); 21#L571-1true assume !(main_~n~0 < 1); 13#L574-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~dst.base, cstrncat_#in~dst.offset, cstrncat_#in~src.base, cstrncat_#in~src.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post5.base, cstrncat_#t~post5.offset, cstrncat_#t~mem6, cstrncat_#t~post7.base, cstrncat_#t~post7.offset, cstrncat_#t~pre4, cstrncat_~d~0.base, cstrncat_~d~0.offset, cstrncat_~s~0.base, cstrncat_~s~0.offset, cstrncat_~dst.base, cstrncat_~dst.offset, cstrncat_~src.base, cstrncat_~src.offset, cstrncat_~n;cstrncat_~dst.base, cstrncat_~dst.offset := cstrncat_#in~dst.base, cstrncat_#in~dst.offset;cstrncat_~src.base, cstrncat_~src.offset := cstrncat_#in~src.base, cstrncat_#in~src.offset;cstrncat_~n := cstrncat_#in~n; 18#L550true assume 0 != cstrncat_~n % 4294967296;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_~dst.base, cstrncat_~dst.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~src.base, cstrncat_~src.offset; 19#L553-3true [2019-11-19 23:07:52,431 INFO L796 eck$LassoCheckResult]: Loop: 19#L553-3true call cstrncat_#t~mem2 := read~int(cstrncat_~d~0.base, cstrncat_~d~0.offset, 1); 12#L553-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~d~0.base, cstrncat_~d~0.offset;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 19#L553-3true [2019-11-19 23:07:52,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:07:52,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2019-11-19 23:07:52,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:07:52,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866193373] [2019-11-19 23:07:52,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:07:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,667 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:07:52,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:07:52,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-11-19 23:07:52,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:07:52,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032164342] [2019-11-19 23:07:52,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:07:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,680 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:07:52,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:07:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2019-11-19 23:07:52,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:07:52,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395644101] [2019-11-19 23:07:52,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:07:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:07:52,778 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:07:53,481 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 103 [2019-11-19 23:07:53,688 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-11-19 23:07:53,699 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:07:53,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:07:53,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:07:53,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:07:53,700 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:07:53,700 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:53,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:07:53,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:07:53,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-1.i_Iteration1_Lasso [2019-11-19 23:07:53,701 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:07:53,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:07:53,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:53,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:07:54,211 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-11-19 23:07:54,582 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-11-19 23:07:54,949 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:07:54,954 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:54,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:54,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:54,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:54,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:54,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:54,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:54,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:54,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:54,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:54,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:54,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:54,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:54,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:54,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:54,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:54,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:54,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:07:55,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:07:55,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:07:55,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:07:55,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:07:55,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:07:55,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:07:55,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:07:55,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:07:55,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:07:55,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:07:55,661 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2019-11-19 23:07:55,661 INFO L444 ModelExtractionUtils]: 12 out of 43 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b947faf9-5f5d-4fb6-abe5-5c6cfac9d908/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:07:55,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:07:55,670 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:07:55,671 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:07:55,671 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_cstrncat_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_cstrncat_~d~0.offset Supporting invariants [] [2019-11-19 23:07:55,738 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-19 23:07:55,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 23:07:55,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:07:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:07:55,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 23:07:55,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:07:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:07:55,888 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:07:55,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:07:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:07:55,920 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 [2019-11-19 23:07:55,920 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 4 states. [2019-11-19 23:07:56,006 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 4 states. Result 46 states and 61 transitions. Complement of second has 9 states. [2019-11-19 23:07:56,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:07:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 23:07:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2019-11-19 23:07:56,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 23:07:56,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:07:56,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:07:56,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:07:56,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-19 23:07:56,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:07:56,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2019-11-19 23:07:56,014 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:07:56,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2019-11-19 23:07:56,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:07:56,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:07:56,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:07:56,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:07:56,017 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:07:56,017 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:07:56,018 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:07:56,018 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:07:56,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:07:56,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:07:56,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:07:56,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:07:56 BoogieIcfgContainer [2019-11-19 23:07:56,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:07:56,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:07:56,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:07:56,022 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:07:56,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:07:52" (3/4) ... [2019-11-19 23:07:56,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:07:56,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:07:56,027 INFO L168 Benchmark]: Toolchain (without parser) took 4678.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -65.5 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:07:56,027 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:07:56,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:07:56,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:07:56,029 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:07:56,029 INFO L168 Benchmark]: RCFGBuilder took 408.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:07:56,030 INFO L168 Benchmark]: BuchiAutomizer took 3718.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.7 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:07:56,030 INFO L168 Benchmark]: Witness Printer took 3.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:07:56,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 446.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 408.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3718.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.7 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * d and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 21 SDslu, 19 SDs, 0 SdLazy, 17 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax108 hnf98 lsp89 ukn77 mio100 lsp43 div154 bol100 ite100 ukn100 eq170 hnf73 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...