./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.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_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 531407ed3b7c40d8a6107454133dd490b91ef528 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:54:18,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:54:18,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:54:18,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:54:18,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:54:18,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:54:18,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:54:18,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:54:18,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:54:18,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:54:18,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:54:18,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:54:18,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:54:18,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:54:18,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:54:18,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:54:18,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:54:18,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:54:18,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:54:18,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:54:18,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:54:18,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:54:18,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:54:18,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:54:18,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:54:18,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:54:18,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:54:18,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:54:18,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:54:18,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:54:18,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:54:18,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:54:18,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:54:18,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:54:18,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:54:18,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:54:18,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:54:18,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:54:18,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:54:18,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:54:18,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:54:18,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 08:54:18,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:54:18,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:54:18,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:54:18,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:54:18,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:54:18,332 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:54:18,332 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:54:18,332 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:54:18,333 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:54:18,333 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:54:18,333 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:54:18,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:54:18,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:54:18,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:54:18,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:54:18,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:54:18,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:54:18,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:54:18,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:54:18,335 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:54:18,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:54:18,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:54:18,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:54:18,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:54:18,337 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:54:18,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:54:18,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:54:18,337 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:54:18,338 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:54:18,339 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_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 -> 531407ed3b7c40d8a6107454133dd490b91ef528 [2019-11-20 08:54:18,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:54:18,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:54:18,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:54:18,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:54:18,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:54:18,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2019-11-20 08:54:18,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/data/4829c535e/ec40d633563d418f8babc06a1b6a94e8/FLAGb84c186fd [2019-11-20 08:54:18,982 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:54:18,982 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2019-11-20 08:54:18,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/data/4829c535e/ec40d633563d418f8babc06a1b6a94e8/FLAGb84c186fd [2019-11-20 08:54:19,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/data/4829c535e/ec40d633563d418f8babc06a1b6a94e8 [2019-11-20 08:54:19,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:54:19,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:54:19,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:54:19,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:54:19,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:54:19,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320015a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19, skipping insertion in model container [2019-11-20 08:54:19,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:54:19,382 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:54:19,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:54:19,651 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:54:19,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:54:19,687 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:54:19,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19 WrapperNode [2019-11-20 08:54:19,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:54:19,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:54:19,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:54:19,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:54:19,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:54:19,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:54:19,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:54:19,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:54:19,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... [2019-11-20 08:54:19,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:54:19,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:54:19,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:54:19,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:54:19,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 08:54:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 08:54:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 08:54:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 08:54:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 08:54:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 08:54:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:54:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:54:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 08:54:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 08:54:20,040 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:54:20,040 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 08:54:20,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:20 BoogieIcfgContainer [2019-11-20 08:54:20,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:54:20,047 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:54:20,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:54:20,050 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:54:20,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:54:20,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:54:19" (1/3) ... [2019-11-20 08:54:20,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@550f2fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:54:20, skipping insertion in model container [2019-11-20 08:54:20,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:54:20,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:19" (2/3) ... [2019-11-20 08:54:20,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@550f2fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:54:20, skipping insertion in model container [2019-11-20 08:54:20,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:54:20,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:20" (3/3) ... [2019-11-20 08:54:20,054 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex4.i [2019-11-20 08:54:20,113 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:54:20,113 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:54:20,113 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:54:20,114 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:54:20,114 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:54:20,114 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:54:20,114 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:54:20,114 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:54:20,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 08:54:20,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 08:54:20,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:54:20,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:54:20,154 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 08:54:20,154 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:54:20,154 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:54:20,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 08:54:20,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 08:54:20,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:54:20,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:54:20,157 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 08:54:20,157 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:54:20,163 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(main_#t~nondet11, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet11;call write~int(main_#t~nondet12, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet12; 6#L50true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2019-11-20 08:54:20,164 INFO L796 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 18#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 7#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem6;havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~post8;havoc #t~mem7; 16#L36true call f(~p.base, ~p.offset, ~q.base, ~q.offset);< 13#fENTRYtrue [2019-11-20 08:54:20,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:20,169 INFO L82 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2019-11-20 08:54:20,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:20,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568617363] [2019-11-20 08:54:20,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,301 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:54:20,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:20,303 INFO L82 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2019-11-20 08:54:20,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:20,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878192683] [2019-11-20 08:54:20,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,420 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:54:20,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:20,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2019-11-20 08:54:20,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:20,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804910751] [2019-11-20 08:54:20,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:54:20,547 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:54:20,680 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-11-20 08:54:21,227 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-11-20 08:54:21,346 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-20 08:54:21,922 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2019-11-20 08:54:22,287 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-11-20 08:54:22,418 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-20 08:54:22,571 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-20 08:54:22,667 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:54:22,668 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:54:22,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:54:22,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:54:22,668 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:54:22,669 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:22,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:54:22,669 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:54:22,669 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex4.i_Iteration1_Lasso [2019-11-20 08:54:22,669 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:54:22,670 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:54:22,699 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 08:54:22,705 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 08:54:22,707 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 08:54:22,708 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 08:54:22,710 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 08:54:22,712 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 08:54:22,714 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 08:54:22,716 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 08:54:22,722 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 08:54:22,724 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 08:54:22,726 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 08:54:22,734 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 08:54:22,736 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 08:54:22,739 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 08:54:22,741 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 08:54:22,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:54:22,746 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 08:54:22,748 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 08:54:22,750 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 08:54:22,753 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 08:54:22,755 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 08:54:22,758 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 08:54:22,933 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-20 08:54:23,036 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 08:54:23,040 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 08:54:23,043 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 08:54:23,046 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 08:54:23,047 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 08:54:23,053 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 08:54:23,058 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 08:54:23,060 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 08:54:23,063 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 08:54:23,065 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 08:54:23,067 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 08:54:23,071 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 08:54:23,073 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 08:54:23,075 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 08:54:23,077 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 08:54:23,080 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 08:54:23,082 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 08:54:23,084 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 08:54:23,608 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:54:23,612 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,622 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 08:54:23,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,639 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 08:54:23,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,654 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 [2019-11-20 08:54:23,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,669 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 08:54:23,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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) [2019-11-20 08:54:23,697 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 08:54:23,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,717 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 08:54:23,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,726 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 08:54:23,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,735 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 08:54:23,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,745 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 08:54:23,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,753 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 08:54:23,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,765 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 08:54:23,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:54:23,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:54:23,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,783 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 08:54:23,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:54:23,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:54:23,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,829 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 08:54:23,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:54:23,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,858 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 08:54:23,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,868 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 08:54:23,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,889 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 08:54:23,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,897 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 08:54:23,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,905 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 08:54:23,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:54:23,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:54:23,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:54:23,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:23,914 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 08:54:23,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:54:23,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:54:23,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:23,945 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 08:54:23,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:54:23,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:54:23,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:54:23,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:54:23,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:54:23,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:54:23,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:54:23,989 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 08:54:23,989 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a291487c-5ca9-43bc-8a29-aa9c263ac1eb/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 08:54:24,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:54:24,025 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:54:24,025 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:54:24,026 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2019-11-20 08:54:24,035 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 08:54:24,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:54:24,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:54:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:24,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 08:54:24,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:24,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-20 08:54:24,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:24,259 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:54:24,259 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-20 08:54:24,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:54:24,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:54:24,298 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:54:24,298 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 72 [2019-11-20 08:54:24,300 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 08:54:24,337 INFO L567 ElimStorePlain]: treesize reduction 42, result has 56.3 percent of original size [2019-11-20 08:54:24,338 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:54:24,339 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:33 [2019-11-20 08:54:24,406 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 29 [2019-11-20 08:54:24,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:54:24,414 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:54:24,415 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:54:24,415 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:33 [2019-11-20 08:54:24,437 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 08:54:24,451 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-20 08:54:24,453 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 7 states. [2019-11-20 08:54:24,695 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 7 states. Result 46 states and 52 transitions. Complement of second has 22 states. [2019-11-20 08:54:24,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-20 08:54:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 08:54:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2019-11-20 08:54:24,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-20 08:54:24,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:54:24,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-20 08:54:24,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:54:24,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2019-11-20 08:54:24,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:54:24,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2019-11-20 08:54:24,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:54:24,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2019-11-20 08:54:24,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:54:24,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:54:24,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:54:24,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:54:24,713 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:54:24,713 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:54:24,713 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:54:24,713 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:54:24,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:54:24,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:54:24,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 08:54:24,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:54:24 BoogieIcfgContainer [2019-11-20 08:54:24,720 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:54:24,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:54:24,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:54:24,721 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:54:24,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:20" (3/4) ... [2019-11-20 08:54:24,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:54:24,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:54:24,727 INFO L168 Benchmark]: Toolchain (without parser) took 5378.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 950.2 MB in the beginning and 828.1 MB in the end (delta: 122.1 MB). Peak memory consumption was 312.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:54:24,728 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:54:24,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:54:24,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:54:24,729 INFO L168 Benchmark]: Boogie Preprocessor took 17.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:54:24,730 INFO L168 Benchmark]: RCFGBuilder took 302.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:54:24,730 INFO L168 Benchmark]: BuchiAutomizer took 4672.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 255.0 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:54:24,731 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 828.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:54:24,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 302.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4672.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 255.0 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 828.1 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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-#memory_int-unknown[p][p] + unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. 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: 11 SDtfs, 10 SDslu, 22 SDs, 0 SdLazy, 76 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital299 mio100 ax100 hnf100 lsp97 ukn53 mio100 lsp37 div100 bol100 ite100 ukn100 eq161 hnf90 smp96 dnf122 smp81 tf100 neg100 sie126 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms 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...