./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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 32bit --witnessprinter.graph.data.programhash 89c40e0e226fdcfbda8631272bf2c238348d58a6 .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:10:52,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:10:52,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:10:52,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:10:52,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:10:52,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:10:52,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:10:52,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:10:52,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:10:53,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:10:53,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:10:53,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:10:53,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:10:53,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:10:53,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:10:53,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:10:53,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:10:53,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:10:53,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:10:53,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:10:53,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:10:53,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:10:53,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:10:53,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:10:53,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:10:53,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:10:53,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:10:53,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:10:53,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:10:53,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:10:53,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:10:53,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:10:53,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:10:53,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:10:53,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:10:53,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:10:53,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:10:53,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:10:53,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:10:53,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:10:53,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:10:53,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:10:53,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:10:53,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:10:53,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:10:53,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:10:53,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:10:53,068 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:10:53,068 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:10:53,068 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:10:53,068 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:10:53,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:10:53,069 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:10:53,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:10:53,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:10:53,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:10:53,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:10:53,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:10:53,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:10:53,071 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:10:53,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:10:53,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:10:53,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:10:53,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:10:53,072 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:10:53,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:10:53,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:10:53,072 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:10:53,073 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:10:53,073 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_47611e7f-1171-4610-b0eb-6be809edeb73/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89c40e0e226fdcfbda8631272bf2c238348d58a6 [2019-11-20 10:10:53,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:10:53,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:10:53,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:10:53,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:10:53,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:10:53,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memset2.c [2019-11-20 10:10:53,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/data/2b3898ef8/392d12e6f27948ae84da4882012bce0e/FLAG17c61a297 [2019-11-20 10:10:53,755 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:10:53,756 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/sv-benchmarks/c/ldv-memsafety/memset2.c [2019-11-20 10:10:53,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/data/2b3898ef8/392d12e6f27948ae84da4882012bce0e/FLAG17c61a297 [2019-11-20 10:10:54,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/bin/uautomizer/data/2b3898ef8/392d12e6f27948ae84da4882012bce0e [2019-11-20 10:10:54,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:10:54,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:10:54,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:10:54,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:10:54,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:10:54,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9d64dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54, skipping insertion in model container [2019-11-20 10:10:54,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:10:54,224 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:10:54,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:10:54,414 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:10:54,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:10:54,513 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:10:54,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54 WrapperNode [2019-11-20 10:10:54,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:10:54,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:10:54,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:10:54,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:10:54,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:10:54,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:10:54,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:10:54,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:10:54,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... [2019-11-20 10:10:54,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:10:54,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:10:54,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:10:54,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:10:54,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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 [2019-11-20 10:10:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 10:10:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 10:10:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:10:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:10:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:10:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:10:54,707 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:10:54,836 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:10:54,836 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 10:10:54,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:54 BoogieIcfgContainer [2019-11-20 10:10:54,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:10:54,838 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:10:54,838 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:10:54,841 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:10:54,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:54,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:10:54" (1/3) ... [2019-11-20 10:10:54,843 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7022a5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:10:54, skipping insertion in model container [2019-11-20 10:10:54,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:54,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:54" (2/3) ... [2019-11-20 10:10:54,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7022a5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:10:54, skipping insertion in model container [2019-11-20 10:10:54,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:54,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:54" (3/3) ... [2019-11-20 10:10:54,846 INFO L371 chiAutomizerObserver]: Analyzing ICFG memset2.c [2019-11-20 10:10:54,922 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:10:54,922 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:10:54,922 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:10:54,922 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:10:54,922 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:10:54,922 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:10:54,922 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:10:54,923 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:10:54,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-20 10:10:54,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:10:54,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:10:54,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:10:54,989 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:10:54,989 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:10:54,989 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:10:54,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-20 10:10:54,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:10:54,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:10:54,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:10:54,993 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:10:54,993 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:10:55,001 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(40); 8#L22true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~#cstats~0.base, main_~#cstats~0.offset, 0, 40);< 7##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 4#$Ultimate##0true #t~loopctr5 := 0; 14#L-1-1true [2019-11-20 10:10:55,001 INFO L796 eck$LassoCheckResult]: Loop: 14#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 14#L-1-1true [2019-11-20 10:10:55,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:55,008 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2019-11-20 10:10:55,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:55,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773129995] [2019-11-20 10:10:55,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:10:55,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:55,176 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2019-11-20 10:10:55,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:55,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437816064] [2019-11-20 10:10:55,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,184 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:10:55,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:55,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2019-11-20 10:10:55,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:55,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180167371] [2019-11-20 10:10:55,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:55,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:10:55,256 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:55,256 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:55,257 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:55,257 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:55,257 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:10:55,257 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:55,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:55,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:55,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2019-11-20 10:10:55,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:55,258 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:55,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:55,339 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:55,340 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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) [2019-11-20 10:10:55,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:10:55,354 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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 [2019-11-20 10:10:55,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:10:55,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:10:55,509 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:10:55,511 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:55,511 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:55,511 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:55,511 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:55,511 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:10:55,511 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:55,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:55,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:55,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2019-11-20 10:10:55,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:55,512 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:55,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:55,543 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:55,547 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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 [2019-11-20 10:10:55,554 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 [2019-11-20 10:10:55,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:10:55,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:10:55,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:10:55,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:10:55,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:10:55,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:10:55,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:10:55,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:10:55,574 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 10:10:55,574 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47611e7f-1171-4610-b0eb-6be809edeb73/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 [2019-11-20 10:10:55,586 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:10:55,586 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 10:10:55,587 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:10:55,588 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] [2019-11-20 10:10:55,592 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 10:10:55,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #amount [2019-11-20 10:10:55,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:55,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:10:55,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:55,694 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:10:55,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:55,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-20 10:10:55,712 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 2 states. [2019-11-20 10:10:55,769 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 2 states. Result 15 states and 17 transitions. Complement of second has 6 states. [2019-11-20 10:10:55,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 10:10:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 10:10:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-20 10:10:55,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-20 10:10:55,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:55,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-20 10:10:55,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:55,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 10:10:55,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:55,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-11-20 10:10:55,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:10:55,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-20 10:10:55,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:10:55,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:10:55,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:10:55,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:10:55,790 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:55,790 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:55,791 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:55,791 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:10:55,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:10:55,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:10:55,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:10:55,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:10:55 BoogieIcfgContainer [2019-11-20 10:10:55,798 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:10:55,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:10:55,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:10:55,798 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:10:55,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:54" (3/4) ... [2019-11-20 10:10:55,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:10:55,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:10:55,805 INFO L168 Benchmark]: Toolchain (without parser) took 1614.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:55,806 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-20 10:10:55,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:55,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:55,808 INFO L168 Benchmark]: Boogie Preprocessor took 29.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:10:55,809 INFO L168 Benchmark]: RCFGBuilder took 256.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:55,810 INFO L168 Benchmark]: BuchiAutomizer took 959.68 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:55,810 INFO L168 Benchmark]: Witness Printer took 4.25 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. [2019-11-20 10:10:55,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 325.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 256.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 959.68 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #amount * 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 -1 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: 6 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...