./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 8f2b899caa4822254a00d27fcecb2b75790fc0d9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:03:46,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:03:46,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:03:46,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:03:46,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:03:46,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:03:46,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:03:46,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:03:46,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:03:46,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:03:47,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:03:47,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:03:47,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:03:47,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:03:47,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:03:47,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:03:47,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:03:47,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:03:47,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:03:47,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:03:47,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:03:47,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:03:47,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:03:47,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:03:47,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:03:47,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:03:47,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:03:47,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:03:47,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:03:47,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:03:47,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:03:47,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:03:47,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:03:47,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:03:47,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:03:47,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:03:47,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:03:47,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:03:47,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:03:47,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:03:47,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:03:47,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 16:03:47,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:03:47,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:03:47,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:03:47,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:03:47,115 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:03:47,115 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 16:03:47,115 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 16:03:47,116 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 16:03:47,116 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 16:03:47,116 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 16:03:47,117 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 16:03:47,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:03:47,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:03:47,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:03:47,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:03:47,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 16:03:47,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 16:03:47,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 16:03:47,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:03:47,119 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 16:03:47,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:03:47,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 16:03:47,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:03:47,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:03:47,121 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 16:03:47,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:03:47,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:03:47,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:03:47,122 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 16:03:47,124 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 16:03:47,125 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f2b899caa4822254a00d27fcecb2b75790fc0d9 [2020-12-01 16:03:47,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:03:47,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:03:47,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:03:47,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:03:47,476 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:03:47,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcat_malloc.i [2020-12-01 16:03:47,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/data/5b57b3556/770311821eee40b1b15c01f1ebbbfb75/FLAG0449711ab [2020-12-01 16:03:48,099 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:03:48,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/sv-benchmarks/c/termination-15/cstrcat_malloc.i [2020-12-01 16:03:48,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/data/5b57b3556/770311821eee40b1b15c01f1ebbbfb75/FLAG0449711ab [2020-12-01 16:03:48,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/data/5b57b3556/770311821eee40b1b15c01f1ebbbfb75 [2020-12-01 16:03:48,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:03:48,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:03:48,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:48,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:03:48,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:03:48,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:48" (1/1) ... [2020-12-01 16:03:48,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4f674d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:48, skipping insertion in model container [2020-12-01 16:03:48,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:48" (1/1) ... [2020-12-01 16:03:48,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:03:48,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:03:48,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:48,879 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:03:48,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:49,002 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:03:49,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49 WrapperNode [2020-12-01 16:03:49,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:49,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:03:49,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:03:49,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:03:49,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:03:49,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:03:49,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:03:49,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:03:49,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... [2020-12-01 16:03:49,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:03:49,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:03:49,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:03:49,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:03:49,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:03:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:03:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:03:49,672 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:03:49,673 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 16:03:49,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:49 BoogieIcfgContainer [2020-12-01 16:03:49,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:03:49,676 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 16:03:49,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 16:03:49,682 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 16:03:49,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 16:03:49,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 04:03:48" (1/3) ... [2020-12-01 16:03:49,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@239ca480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 04:03:49, skipping insertion in model container [2020-12-01 16:03:49,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 16:03:49,691 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:49" (2/3) ... [2020-12-01 16:03:49,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@239ca480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 04:03:49, skipping insertion in model container [2020-12-01 16:03:49,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 16:03:49,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:49" (3/3) ... [2020-12-01 16:03:49,694 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcat_malloc.i [2020-12-01 16:03:49,753 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 16:03:49,753 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 16:03:49,753 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 16:03:49,753 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:03:49,754 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:03:49,754 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 16:03:49,754 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:03:49,754 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 16:03:49,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 16:03:49,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-12-01 16:03:49,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 16:03:49,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 16:03:49,797 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 16:03:49,798 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 16:03:49,798 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 16:03:49,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 16:03:49,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-12-01 16:03:49,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 16:03:49,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 16:03:49,801 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 16:03:49,801 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 16:03:49,809 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; 3#L377true assume !(main_~length1~0 < 1); 6#L377-2true assume !(main_~length2~0 < 2); 15#L380-1true assume !(main_~length3~0 < 1); 10#L383-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 7#L367-3true [2020-12-01 16:03:49,809 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, 1 + cstrcat_#t~post206.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; 7#L367-3true [2020-12-01 16:03:49,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:49,819 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-12-01 16:03:49,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:03:49,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514865711] [2020-12-01 16:03:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:03:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,107 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 16:03:50,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:50,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-12-01 16:03:50,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:03:50,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853512302] [2020-12-01 16:03:50,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:03:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,136 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 16:03:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:50,138 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-12-01 16:03:50,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:03:50,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395066286] [2020-12-01 16:03:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:03:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:50,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:50,233 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 16:03:50,865 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2020-12-01 16:03:51,119 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 16:03:51,142 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 16:03:51,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 16:03:51,144 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 16:03:51,144 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 16:03:51,144 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 16:03:51,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 16:03:51,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 16:03:51,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 16:03:51,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_malloc.i_Iteration1_Lasso [2020-12-01 16:03:51,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 16:03:51,147 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 16:03:51,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,641 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-12-01 16:03:51,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 16:03:51,945 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 16:03:52,811 WARN L197 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2020-12-01 16:03:52,862 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 16:03:52,868 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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) [2020-12-01 16:03:52,891 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 [2020-12-01 16:03:52,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:52,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:52,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:52,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:52,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:52,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:52,898 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 [2020-12-01 16:03:52,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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) [2020-12-01 16:03:52,951 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 [2020-12-01 16:03:52,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:52,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:52,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:52,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:52,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:52,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:52,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:52,998 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 [2020-12-01 16:03:53,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,030 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 [2020-12-01 16:03:53,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,080 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 [2020-12-01 16:03:53,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:53,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:53,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,118 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 [2020-12-01 16:03:53,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,175 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 [2020-12-01 16:03:53,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,227 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 [2020-12-01 16:03:53,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 16:03:53,258 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 [2020-12-01 16:03:53,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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) [2020-12-01 16:03:53,348 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 [2020-12-01 16:03:53,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 16:03:53,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 16:03:53,380 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 [2020-12-01 16:03:53,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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) [2020-12-01 16:03:53,471 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 [2020-12-01 16:03:53,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 16:03:53,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,518 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 [2020-12-01 16:03:53,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,548 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 [2020-12-01 16:03:53,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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) [2020-12-01 16:03:53,620 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 [2020-12-01 16:03:53,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 16:03:53,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 16:03:53,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 16:03:53,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,654 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 [2020-12-01 16:03:53,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:53,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:53,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,702 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 [2020-12-01 16:03:53,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:53,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:53,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,756 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 [2020-12-01 16:03:53,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:53,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:53,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:53,808 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 [2020-12-01 16:03:53,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 16:03:53,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 16:03:53,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 16:03:53,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 16:03:53,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 16:03:53,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 16:03:53,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 16:03:53,934 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-12-01 16:03:53,934 INFO L444 ModelExtractionUtils]: 41 out of 49 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d040e2a-25c1-463d-a870-8260f3314253/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 [2020-12-01 16:03:54,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 16:03:54,036 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 16:03:54,036 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 16:03:54,037 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc214.base)_1, ULTIMATE.start_cstrcat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc214.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0.offset Supporting invariants [] [2020-12-01 16:03:54,139 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-12-01 16:03:54,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:03:54,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:03:54,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:03:54,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:03:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:03:54,246 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:03:54,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:03:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:03:54,290 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 [2020-12-01 16:03:54,291 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-12-01 16:03:54,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 45 transitions. Complement of second has 7 states. [2020-12-01 16:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-12-01 16:03:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 16:03:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-12-01 16:03:54,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2020-12-01 16:03:54,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 16:03:54,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2020-12-01 16:03:54,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 16:03:54,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2020-12-01 16:03:54,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 16:03:54,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2020-12-01 16:03:54,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 16:03:54,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-12-01 16:03:54,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 16:03:54,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 16:03:54,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 16:03:54,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 16:03:54,396 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:03:54,396 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:03:54,396 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:03:54,396 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 16:03:54,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:03:54,397 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 16:03:54,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 16:03:54,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 04:03:54 BoogieIcfgContainer [2020-12-01 16:03:54,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 16:03:54,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:03:54,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:03:54,413 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:03:54,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:49" (3/4) ... [2020-12-01 16:03:54,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:03:54,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:03:54,417 INFO L168 Benchmark]: Toolchain (without parser) took 6000.69 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 79.9 MB in the beginning and 44.0 MB in the end (delta: 35.9 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:54,417 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 31.9 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:03:54,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.10 ms. Allocated memory is still 113.2 MB. Free memory was 79.9 MB in the beginning and 72.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:54,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.16 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:54,419 INFO L168 Benchmark]: Boogie Preprocessor took 53.26 ms. Allocated memory is still 113.2 MB. Free memory was 70.2 MB in the beginning and 69.6 MB in the end (delta: 648.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:03:54,420 INFO L168 Benchmark]: RCFGBuilder took 536.99 ms. Allocated memory is still 113.2 MB. Free memory was 68.9 MB in the beginning and 54.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:54,420 INFO L168 Benchmark]: BuchiAutomizer took 4736.76 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 44.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:54,421 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 136.3 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:03:54,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 31.9 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.10 ms. Allocated memory is still 113.2 MB. Free memory was 79.9 MB in the beginning and 72.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.16 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.26 ms. Allocated memory is still 113.2 MB. Free memory was 70.2 MB in the beginning and 69.6 MB in the end (delta: 648.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 536.99 ms. Allocated memory is still 113.2 MB. Free memory was 68.9 MB in the beginning and 54.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4736.76 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 44.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.98 ms. Allocated memory is still 136.3 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[malloc(length2 * sizeof(char))] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 20 SDslu, 13 SDs, 0 SdLazy, 4 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax100 hnf100 lsp96 ukn79 mio100 lsp47 div100 bol100 ite100 ukn100 eq186 hnf88 smp100 dnf218 smp91 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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...