./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 0131b237d1353fa18fec727a7424c78c2056aaff .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:28:44,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:28:44,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:28:44,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:28:44,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:28:44,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:28:44,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:28:44,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:28:44,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:28:44,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:28:44,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:28:44,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:28:44,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:28:44,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:28:44,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:28:44,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:28:44,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:28:44,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:28:44,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:28:44,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:28:44,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:28:44,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:28:44,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:28:44,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:28:44,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:28:44,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:28:44,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:28:44,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:28:44,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:28:44,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:28:44,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:28:44,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:28:44,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:28:44,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:28:44,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:28:44,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:28:44,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:28:44,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:28:44,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:28:44,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:28:44,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:28:44,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 07:28:44,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:28:44,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:28:44,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:28:44,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:28:44,810 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:28:44,810 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 07:28:44,811 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 07:28:44,811 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 07:28:44,811 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 07:28:44,811 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 07:28:44,811 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 07:28:44,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:28:44,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 07:28:44,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:28:44,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:28:44,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 07:28:44,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 07:28:44,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 07:28:44,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:28:44,814 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 07:28:44,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:28:44,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 07:28:44,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:28:44,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:28:44,815 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 07:28:44,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:28:44,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:28:44,815 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 07:28:44,817 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 07:28:44,817 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_2b958e81-9202-40c2-b295-30ae527e09cb/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 -> 0131b237d1353fa18fec727a7424c78c2056aaff [2019-11-20 07:28:44,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:28:44,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:28:45,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:28:45,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:28:45,008 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:28:45,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2019-11-20 07:28:45,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/data/a16471488/4f7e93215fe2415aa94065cf1022bd77/FLAG50d5fd634 [2019-11-20 07:28:45,484 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:28:45,485 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2019-11-20 07:28:45,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/data/a16471488/4f7e93215fe2415aa94065cf1022bd77/FLAG50d5fd634 [2019-11-20 07:28:45,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/data/a16471488/4f7e93215fe2415aa94065cf1022bd77 [2019-11-20 07:28:45,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:28:45,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:28:45,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:28:45,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:28:45,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:28:45,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:28:45" (1/1) ... [2019-11-20 07:28:45,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de8448d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:45, skipping insertion in model container [2019-11-20 07:28:45,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:28:45" (1/1) ... [2019-11-20 07:28:45,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:28:45,893 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:28:46,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:28:46,286 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:28:46,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:28:46,370 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:28:46,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46 WrapperNode [2019-11-20 07:28:46,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:28:46,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:28:46,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:28:46,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:28:46,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:28:46,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:28:46,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:28:46,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:28:46,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... [2019-11-20 07:28:46,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:28:46,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:28:46,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:28:46,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:28:46,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 07:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 07:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:28:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:28:46,878 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:28:46,878 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 07:28:46,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:28:46 BoogieIcfgContainer [2019-11-20 07:28:46,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:28:46,880 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 07:28:46,880 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 07:28:46,882 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 07:28:46,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:28:46,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:28:45" (1/3) ... [2019-11-20 07:28:46,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@668dfac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:28:46, skipping insertion in model container [2019-11-20 07:28:46,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:28:46,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:28:46" (2/3) ... [2019-11-20 07:28:46,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@668dfac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:28:46, skipping insertion in model container [2019-11-20 07:28:46,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:28:46,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:28:46" (3/3) ... [2019-11-20 07:28:46,890 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2019-11-20 07:28:46,940 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 07:28:46,940 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 07:28:46,941 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 07:28:46,941 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:28:46,941 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:28:46,941 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 07:28:46,941 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:28:46,941 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 07:28:46,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 07:28:46,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 07:28:46,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:28:46,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:28:46,978 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 07:28:46,978 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:28:46,978 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 07:28:46,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 07:28:46,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 07:28:46,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:28:46,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:28:46,981 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 07:28:46,981 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:28:46,986 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 13#L564true assume !(main_~length1~0 < 1); 16#L564-2true assume !(main_~length2~0 < 1); 10#L567-1true assume !(main_~n~0 < 1); 4#L570-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.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~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.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~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 7#L550-3true [2019-11-20 07:28:46,986 INFO L796 eck$LassoCheckResult]: Loop: 7#L550-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 20#L550-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 7#L550-3true [2019-11-20 07:28:46,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:46,992 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-20 07:28:47,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:28:47,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011661596] [2019-11-20 07:28:47,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:28:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:28:47,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:47,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-20 07:28:47,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:28:47,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126223990] [2019-11-20 07:28:47,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:28:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:28:47,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:47,174 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-11-20 07:28:47,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:28:47,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646499514] [2019-11-20 07:28:47,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:28:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:28:47,234 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:28:47,868 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2019-11-20 07:28:48,012 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-20 07:28:48,024 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:28:48,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:28:48,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:28:48,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:28:48,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:28:48,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:48,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:28:48,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:28:48,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2019-11-20 07:28:48,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:28:48,027 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:28:48,059 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 07:28:48,065 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 07:28:48,072 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 07:28:48,075 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 07:28:48,078 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 07:28:48,081 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 07:28:48,084 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 07:28:48,086 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 07:28:48,091 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 07:28:48,094 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 07:28:48,097 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 07:28:48,099 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 07:28:48,102 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 07:28:48,105 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 07:28:48,107 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 07:28:48,111 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 07:28:48,113 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 07:28:48,116 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 07:28:48,120 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 07:28:48,123 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 07:28:48,125 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 07:28:48,447 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-11-20 07:28:48,524 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 07:28:48,533 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 07:28:48,536 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 07:28:48,538 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 07:28:49,079 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:28:49,089 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 07:28:49,096 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 07:28:49,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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) [2019-11-20 07:28:49,120 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 07:28:49,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 07:28:49,150 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 07:28:49,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 07:28:49,162 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 07:28:49,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,190 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 07:28:49,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,201 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 07:28:49,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,213 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 07:28:49,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 [2019-11-20 07:28:49,230 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 07:28:49,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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) [2019-11-20 07:28:49,259 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 07:28:49,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,275 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 07:28:49,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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) [2019-11-20 07:28:49,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,310 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 07:28:49,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,331 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 07:28:49,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,346 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 07:28:49,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,357 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 07:28:49,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,368 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 07:28:49,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 [2019-11-20 07:28:49,376 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 07:28:49,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,394 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 07:28:49,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 [2019-11-20 07:28:49,419 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 07:28:49,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 [2019-11-20 07:28:49,434 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 07:28:49,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:28:49,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:28:49,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,455 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 07:28:49,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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 [2019-11-20 07:28:49,490 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 07:28:49,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/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) [2019-11-20 07:28:49,508 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 07:28:49,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,531 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 07:28:49,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,545 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 07:28:49,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,566 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 07:28:49,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,590 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 07:28:49,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:28:49,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,611 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 07:28:49,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:28:49,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,613 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 07:28:49,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,614 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 07:28:49,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,623 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 07:28:49,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:28:49,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:28:49,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:28:49,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:28:49,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:28:49,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:28:49,814 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 07:28:49,814 INFO L444 ModelExtractionUtils]: 34 out of 43 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b958e81-9202-40c2-b295-30ae527e09cb/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:28:49,820 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:28:49,824 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 07:28:49,824 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:28:49,825 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2019-11-20 07:28:49,863 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 07:28:49,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 07:28:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:28:49,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:28:49,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:28:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:28:49,943 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:28:49,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:28:49,964 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 07:28:49,979 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:28:49,980 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-20 07:28:50,086 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 50 states and 73 transitions. Complement of second has 8 states. [2019-11-20 07:28:50,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 07:28:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:28:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2019-11-20 07:28:50,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 07:28:50,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:28:50,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-20 07:28:50,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:28:50,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 07:28:50,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:28:50,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2019-11-20 07:28:50,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:28:50,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2019-11-20 07:28:50,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 07:28:50,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 07:28:50,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-11-20 07:28:50,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:28:50,108 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-11-20 07:28:50,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-11-20 07:28:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-20 07:28:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 07:28:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-20 07:28:50,137 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-20 07:28:50,137 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-20 07:28:50,137 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 07:28:50,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-20 07:28:50,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:28:50,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:28:50,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:28:50,142 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:28:50,142 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 07:28:50,143 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 161#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 162#L564 assume !(main_~length1~0 < 1); 163#L564-2 assume !(main_~length2~0 < 1); 175#L567-1 assume !(main_~n~0 < 1); 168#L570-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.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~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.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~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 169#L550-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 171#L550-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 166#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 assume !cstrncat_#t~short6; 174#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 178#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 165#L552 [2019-11-20 07:28:50,143 INFO L796 eck$LassoCheckResult]: Loop: 165#L552 assume !cstrncat_#t~short6; 173#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 164#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 165#L552 [2019-11-20 07:28:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:50,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-11-20 07:28:50,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:28:50,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237044864] [2019-11-20 07:28:50,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:28:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:28:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:28:50,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237044864] [2019-11-20 07:28:50,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:28:50,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:28:50,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183519346] [2019-11-20 07:28:50,233 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 07:28:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:28:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-11-20 07:28:50,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:28:50,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862146622] [2019-11-20 07:28:50,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:28:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:28:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:28:50,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862146622] [2019-11-20 07:28:50,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:28:50,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:28:50,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933552920] [2019-11-20 07:28:50,248 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 07:28:50,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:28:50,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:28:50,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:28:50,252 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-20 07:28:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:28:50,265 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-20 07:28:50,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:28:50,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-11-20 07:28:50,267 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:28:50,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-20 07:28:50,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 07:28:50,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 07:28:50,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 07:28:50,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:28:50,268 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:28:50,268 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:28:50,268 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:28:50,268 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 07:28:50,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:28:50,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:28:50,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 07:28:50,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:28:50 BoogieIcfgContainer [2019-11-20 07:28:50,273 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 07:28:50,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:28:50,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:28:50,273 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:28:50,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:28:46" (3/4) ... [2019-11-20 07:28:50,277 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:28:50,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:28:50,278 INFO L168 Benchmark]: Toolchain (without parser) took 4447.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 907.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:50,279 INFO L168 Benchmark]: CDTParser took 0.19 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 07:28:50,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:50,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.87 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 07:28:50,281 INFO L168 Benchmark]: Boogie Preprocessor took 63.51 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. [2019-11-20 07:28:50,281 INFO L168 Benchmark]: RCFGBuilder took 384.08 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:50,282 INFO L168 Benchmark]: BuchiAutomizer took 3392.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.7 MB in the end (delta: 187.6 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:28:50,282 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 1.2 GB. Free memory is still 907.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:28:50,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 539.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.87 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 63.51 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 384.08 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3392.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.7 MB in the end (delta: 187.6 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.18 ms. Allocated memory is still 1.2 GB. Free memory is still 907.7 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 2.9s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 35 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax109 hnf98 lsp88 ukn76 mio100 lsp43 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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...