./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 0.1.25-f470102 [2019-12-07 17:58:49,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:58:49,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:58:49,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:58:49,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:58:49,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:58:49,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:58:49,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:58:49,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:58:49,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:58:49,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:58:49,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:58:49,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:58:49,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:58:49,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:58:49,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:58:49,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:58:49,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:58:49,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:58:49,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:58:49,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:58:49,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:58:49,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:58:49,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:58:49,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:58:49,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:58:49,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:58:49,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:58:49,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:58:49,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:58:49,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:58:49,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:58:49,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:58:49,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:58:49,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:58:49,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:58:49,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:58:49,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:58:49,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:58:49,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:58:49,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:58:49,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:58:49,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:58:49,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:58:49,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:58:49,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:58:49,061 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:58:49,062 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:58:49,062 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:58:49,062 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:58:49,062 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:58:49,062 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:58:49,062 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:58:49,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:58:49,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:58:49,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:58:49,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:58:49,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:58:49,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:58:49,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:58:49,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:58:49,065 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:58:49,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:58:49,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:58:49,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:58:49,066 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:58:49,067 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:58:49,067 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_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:49,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:58:49,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:58:49,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:58:49,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:58:49,181 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:58:49,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-12-07 17:58:49,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/data/57cc5197b/ab9374d51a874e7b936dd46978db8be2/FLAGcfbd1817a [2019-12-07 17:58:49,668 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:58:49,668 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-12-07 17:58:49,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/data/57cc5197b/ab9374d51a874e7b936dd46978db8be2/FLAGcfbd1817a [2019-12-07 17:58:49,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/bin/uautomizer/data/57cc5197b/ab9374d51a874e7b936dd46978db8be2 [2019-12-07 17:58:49,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:58:49,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:58:49,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:58:49,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:58:49,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:58:49,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:49,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9096c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49, skipping insertion in model container [2019-12-07 17:58:49,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:49,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:58:49,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:58:49,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:58:49,934 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:58:49,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:58:49,990 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:58:49,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49 WrapperNode [2019-12-07 17:58:49,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:58:49,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:58:49,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:58:49,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:58:49,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:58:50,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:58:50,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:58:50,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:58:50,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... [2019-12-07 17:58:50,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:58:50,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:58:50,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:58:50,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:58:50,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:58:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:58:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:58:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:58:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:58:50,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:58:50,244 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:58:50,244 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 17:58:50,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:58:50 BoogieIcfgContainer [2019-12-07 17:58:50,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:58:50,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:58:50,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:58:50,247 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:58:50,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:58:50,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:58:49" (1/3) ... [2019-12-07 17:58:50,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a2d5209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:58:50, skipping insertion in model container [2019-12-07 17:58:50,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:58:50,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:58:49" (2/3) ... [2019-12-07 17:58:50,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a2d5209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:58:50, skipping insertion in model container [2019-12-07 17:58:50,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:58:50,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:58:50" (3/3) ... [2019-12-07 17:58:50,250 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2019-12-07 17:58:50,278 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:58:50,278 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:58:50,278 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:58:50,278 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:58:50,278 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:58:50,278 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:58:50,278 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:58:50,278 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:58:50,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 17:58:50,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 17:58:50,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:58:50,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:58:50,305 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:58:50,305 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:58:50,305 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:58:50,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 17:58:50,307 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 17:58:50,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:58:50,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:58:50,307 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:58:50,307 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:58:50,312 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 [2019-12-07 17:58:50,312 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 [2019-12-07 17:58:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:58:50,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2019-12-07 17:58:50,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:58:50,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40765470] [2019-12-07 17:58:50,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:58:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,431 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:58:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:58:50,432 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-12-07 17:58:50,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:58:50,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423182412] [2019-12-07 17:58:50,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:58:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,441 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:58:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:58:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2019-12-07 17:58:50,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:58:50,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169363753] [2019-12-07 17:58:50,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:58:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:58:50,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:58:50,820 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 103 [2019-12-07 17:58:50,932 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-12-07 17:58:50,941 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:58:50,942 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:58:50,942 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:58:50,942 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:58:50,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:58:50,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:50,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:58:50,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:58:50,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-1.i_Iteration1_Lasso [2019-12-07 17:58:50,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:58:50,943 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:58:50,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:50,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:51,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:51,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:51,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:58:51,236 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-12-07 17:58:51,470 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-07 17:58:51,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:58:51,682 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,686 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 [2019-12-07 17:58:51,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,696 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 [2019-12-07 17:58:51,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,703 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 [2019-12-07 17:58:51,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,714 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 [2019-12-07 17:58:51,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,722 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 [2019-12-07 17:58:51,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,732 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 [2019-12-07 17:58:51,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,739 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 [2019-12-07 17:58:51,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,746 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 [2019-12-07 17:58:51,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,754 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 [2019-12-07 17:58:51,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,760 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 [2019-12-07 17:58:51,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,770 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 [2019-12-07 17:58:51,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,778 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 [2019-12-07 17:58:51,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,784 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 [2019-12-07 17:58:51,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,791 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 [2019-12-07 17:58:51,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,798 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 [2019-12-07 17:58:51,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,805 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 [2019-12-07 17:58:51,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,812 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 [2019-12-07 17:58:51,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,821 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 [2019-12-07 17:58:51,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,828 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 [2019-12-07 17:58:51,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,835 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 [2019-12-07 17:58:51,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,842 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 [2019-12-07 17:58:51,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,852 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 [2019-12-07 17:58:51,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:58:51,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:58:51,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:58:51,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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 [2019-12-07 17:58:51,859 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 [2019-12-07 17:58:51,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,880 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 [2019-12-07 17:58:51,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:58:51,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:58:51,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:58:51,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:58:51,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:58:51,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:58:51,910 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:58:51,934 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 17:58:51,934 INFO L444 ModelExtractionUtils]: 32 out of 43 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c3d602-f81a-4ae2-bcb4-e784354eea72/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:58:51,938 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:58:51,946 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:58:51,946 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:58:51,947 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 [] [2019-12-07 17:58:51,972 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 17:58:51,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:58:52,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:58:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:58:52,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:58:52,024 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:58:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:58:52,050 WARN L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:58:52,050 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:58:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:58:52,074 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 [2019-12-07 17:58:52,075 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 4 states. [2019-12-07 17:58:52,142 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. [2019-12-07 17:58:52,143 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 [2019-12-07 17:58:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:58:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2019-12-07 17:58:52,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:58:52,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:58:52,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:58:52,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:58:52,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 17:58:52,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:58:52,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2019-12-07 17:58:52,149 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:58:52,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2019-12-07 17:58:52,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:58:52,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:58:52,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:58:52,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:58:52,152 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:58:52,152 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:58:52,152 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:58:52,152 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:58:52,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:58:52,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:58:52,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:58:52,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:58:52 BoogieIcfgContainer [2019-12-07 17:58:52,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:58:52,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:58:52,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:58:52,157 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:58:52,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:58:50" (3/4) ... [2019-12-07 17:58:52,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:58:52,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:58:52,160 INFO L168 Benchmark]: Toolchain (without parser) took 2469.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 948.9 MB in the beginning and 921.4 MB in the end (delta: 27.5 MB). Peak memory consumption was 173.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:58:52,160 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:58:52,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:58:52,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.93 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. [2019-12-07 17:58:52,161 INFO L168 Benchmark]: Boogie Preprocessor took 18.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:58:52,162 INFO L168 Benchmark]: RCFGBuilder took 206.37 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:58:52,162 INFO L168 Benchmark]: BuchiAutomizer took 1911.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.4 MB in the end (delta: 180.6 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:58:52,162 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 1.2 GB. Free memory is still 921.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:58:52,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.93 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 18.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.37 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1911.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.4 MB in the end (delta: 180.6 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 ms. Allocated memory is still 1.2 GB. Free memory is still 921.4 MB. 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 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 8ms 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...