./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.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_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:22:31,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:22:31,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:22:31,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:22:31,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:22:31,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:22:31,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:22:31,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:22:31,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:22:31,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:22:31,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:22:31,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:22:31,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:22:31,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:22:31,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:22:31,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:22:31,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:22:31,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:22:31,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:22:31,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:22:31,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:22:31,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:22:31,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:22:31,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:22:31,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:22:31,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:22:31,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:22:31,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:22:31,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:22:31,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:22:31,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:22:31,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:22:31,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:22:31,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:22:31,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:22:31,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:22:31,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:22:31,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:22:31,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:22:31,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:22:31,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:22:31,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 03:22:31,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:22:31,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:22:31,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:22:31,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:22:31,367 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:22:31,367 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:22:31,367 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:22:31,367 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:22:31,367 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:22:31,368 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:22:31,368 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:22:31,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:22:31,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:22:31,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:22:31,369 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:22:31,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:22:31,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:22:31,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:22:31,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:22:31,370 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:22:31,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:22:31,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:22:31,371 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:22:31,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:22:31,372 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_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 -> 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 [2019-11-20 03:22:31,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:22:31,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:22:31,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:22:31,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:22:31,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:22:31,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2019-11-20 03:22:31,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/data/29b99b7a0/9a2c06fac4a14f95b5baa0b658899eae/FLAGe81c816a5 [2019-11-20 03:22:32,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:22:32,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2019-11-20 03:22:32,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/data/29b99b7a0/9a2c06fac4a14f95b5baa0b658899eae/FLAGe81c816a5 [2019-11-20 03:22:32,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/data/29b99b7a0/9a2c06fac4a14f95b5baa0b658899eae [2019-11-20 03:22:32,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:22:32,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:22:32,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:22:32,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:22:32,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:22:32,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:22:32" (1/1) ... [2019-11-20 03:22:32,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300298ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:32, skipping insertion in model container [2019-11-20 03:22:32,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:22:32" (1/1) ... [2019-11-20 03:22:32,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:22:32,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:22:32,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:22:32,895 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:22:32,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:22:33,022 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:22:33,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33 WrapperNode [2019-11-20 03:22:33,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:22:33,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:22:33,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:22:33,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:22:33,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:22:33,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:22:33,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:22:33,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:22:33,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... [2019-11-20 03:22:33,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:22:33,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:22:33,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:22:33,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:22:33,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:22:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:22:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:22:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:22:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:22:33,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:22:33,743 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:22:33,743 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 03:22:33,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:22:33 BoogieIcfgContainer [2019-11-20 03:22:33,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:22:33,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:22:33,745 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:22:33,750 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:22:33,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:22:33,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:22:32" (1/3) ... [2019-11-20 03:22:33,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f338dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:22:33, skipping insertion in model container [2019-11-20 03:22:33,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:22:33,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:22:33" (2/3) ... [2019-11-20 03:22:33,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f338dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:22:33, skipping insertion in model container [2019-11-20 03:22:33,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:22:33,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:22:33" (3/3) ... [2019-11-20 03:22:33,757 INFO L371 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2019-11-20 03:22:33,818 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:22:33,818 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:22:33,819 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:22:33,819 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:22:33,820 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:22:33,820 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:22:33,820 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:22:33,821 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:22:33,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 03:22:33,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 03:22:33,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:22:33,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:22:33,877 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:22:33,877 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:22:33,877 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:22:33,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 03:22:33,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 03:22:33,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:22:33,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:22:33,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:22:33,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:22:33,890 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 5#L556true assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 7#L556-2true assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 6#L559-3true [2019-11-20 03:22:33,890 INFO L796 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 3#L559-1true assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 6#L559-3true [2019-11-20 03:22:33,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:33,896 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2019-11-20 03:22:33,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:33,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896219222] [2019-11-20 03:22:33,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,166 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:34,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2019-11-20 03:22:34,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:34,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192870691] [2019-11-20 03:22:34,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,188 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2019-11-20 03:22:34,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:34,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701533142] [2019-11-20 03:22:34,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:34,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:35,597 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 120 [2019-11-20 03:22:35,961 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-20 03:22:35,973 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:22:35,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:22:35,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:22:35,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:22:35,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:22:35,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:35,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:22:35,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:22:35,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2019-11-20 03:22:35,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:22:35,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:22:36,001 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 03:22:36,013 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 03:22:36,015 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 03:22:36,020 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 03:22:36,023 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 03:22:36,025 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 03:22:36,030 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 03:22:36,037 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 03:22:36,040 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 03:22:36,045 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 03:22:36,778 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-11-20 03:22:36,948 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-11-20 03:22:36,949 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 03:22:36,958 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 03:22:36,960 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 03:22:36,963 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 03:22:36,966 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 03:22:36,968 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 03:22:36,971 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 03:22:36,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:36,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:36,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:36,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:36,993 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 03:22:36,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:36,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:22:37,001 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 03:22:37,003 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 03:22:37,005 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 03:22:37,009 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 03:22:37,653 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:22:37,658 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,673 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 03:22:37,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:37,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:37,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:22:37,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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) [2019-11-20 03:22:37,726 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 03:22:37,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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) [2019-11-20 03:22:37,749 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 03:22:37,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,773 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 03:22:37,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:37,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,786 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 03:22:37,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:37,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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) [2019-11-20 03:22:37,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:37,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,833 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 03:22:37,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:37,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:37,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:37,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,845 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 03:22:37,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:37,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:37,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,875 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 03:22:37,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:37,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:37,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:22:37,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:37,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:37,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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) [2019-11-20 03:22:37,950 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 03:22:37,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:37,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:37,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:37,968 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 03:22:37,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:37,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:37,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:37,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:37,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:37,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:37,987 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:22:38,024 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 03:22:38,024 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:38,033 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:22:38,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:22:38,037 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:22:38,038 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1 Supporting invariants [] [2019-11-20 03:22:38,323 INFO L297 tatePredicateManager]: 33 out of 36 supporting invariants were superfluous and have been removed [2019-11-20 03:22:38,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:22:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:22:38,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:22:38,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:22:38,465 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:22:38,466 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 27 treesize of output 31 [2019-11-20 03:22:38,467 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:22:38,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:22:38,490 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:22:38,490 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:12 [2019-11-20 03:22:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:22:38,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:22:38,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:22:38,540 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 03:22:38,552 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 03:22:38,553 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2019-11-20 03:22:38,658 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 32 states and 41 transitions. Complement of second has 9 states. [2019-11-20 03:22:38,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 03:22:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:22:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2019-11-20 03:22:38,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 03:22:38,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:38,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 03:22:38,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:38,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 03:22:38,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:38,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2019-11-20 03:22:38,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:22:38,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2019-11-20 03:22:38,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 03:22:38,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 03:22:38,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-20 03:22:38,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:22:38,689 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 03:22:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-20 03:22:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2019-11-20 03:22:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 03:22:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-20 03:22:38,713 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 03:22:38,714 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 03:22:38,714 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:22:38,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-20 03:22:38,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:22:38,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:22:38,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:22:38,715 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:22:38,715 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:22:38,716 INFO L794 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 242#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 243#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 250#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 251#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 244#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 245#L563-2 [2019-11-20 03:22:38,716 INFO L796 eck$LassoCheckResult]: Loop: 245#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 249#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post18;havoc subxy_#t~mem17;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 245#L563-2 [2019-11-20 03:22:38,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:38,716 INFO L82 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2019-11-20 03:22:38,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:38,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907891072] [2019-11-20 03:22:38,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:22:38,878 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 03:22:38,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907891072] [2019-11-20 03:22:38,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:22:38,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:22:38,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059342039] [2019-11-20 03:22:38,881 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:22:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:38,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-20 03:22:38,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:38,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826966463] [2019-11-20 03:22:38,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:38,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:38,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:22:38,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:22:38,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:22:38,980 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-11-20 03:22:39,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:22:39,087 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-20 03:22:39,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:22:39,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-20 03:22:39,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:22:39,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2019-11-20 03:22:39,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 03:22:39,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 03:22:39,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2019-11-20 03:22:39,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:22:39,090 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-20 03:22:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2019-11-20 03:22:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-20 03:22:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 03:22:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-11-20 03:22:39,091 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-20 03:22:39,091 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-20 03:22:39,092 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:22:39,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2019-11-20 03:22:39,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:22:39,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:22:39,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:22:39,093 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-20 03:22:39,093 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:22:39,093 INFO L794 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 279#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 280#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 288#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 287#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 283#L559-1 assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 284#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 281#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 282#L563-2 [2019-11-20 03:22:39,093 INFO L796 eck$LassoCheckResult]: Loop: 282#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 286#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post18;havoc subxy_#t~mem17;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 282#L563-2 [2019-11-20 03:22:39,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2019-11-20 03:22:39,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:39,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068587327] [2019-11-20 03:22:39,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:39,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2019-11-20 03:22:39,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:39,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262737639] [2019-11-20 03:22:39,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,198 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2019-11-20 03:22:39,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:22:39,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907818164] [2019-11-20 03:22:39,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:22:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:22:39,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:22:40,570 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2019-11-20 03:22:40,853 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-11-20 03:22:40,861 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:22:40,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:22:40,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:22:40,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:22:40,861 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:22:40,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:40,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:22:40,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:22:40,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2019-11-20 03:22:40,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:22:40,862 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:22:40,867 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 03:22:40,870 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 03:22:40,873 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 03:22:40,875 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 03:22:40,877 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 03:22:40,879 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 03:22:40,880 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 03:22:40,882 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 03:22:40,885 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 03:22:40,887 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 03:22:40,888 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 03:22:40,896 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 03:22:40,898 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 03:22:40,900 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 03:22:40,903 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 03:22:40,905 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 03:22:40,907 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 03:22:40,910 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 03:22:40,911 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 03:22:40,913 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 03:22:40,915 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 03:22:40,917 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 03:22:40,919 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 03:22:41,439 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-11-20 03:22:41,590 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-11-20 03:22:41,591 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 03:22:41,593 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 03:22:41,602 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 03:22:41,604 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 03:22:41,606 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 03:22:42,137 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:22:42,138 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,147 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 03:22:42,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,154 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 03:22:42,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,166 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 03:22:42,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,176 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 03:22:42,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,192 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 03:22:42,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,205 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 03:22:42,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,225 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 03:22:42,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,241 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 03:22:42,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Exception during sending of exit command (exit): Stream closed No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,262 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 03:22:42,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/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 03:22:42,273 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 03:22:42,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:22:42,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,324 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 03:22:42,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,332 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 03:22:42,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,340 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 03:22:42,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,349 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 03:22:42,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,360 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 03:22:42,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,371 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 03:22:42,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:22:42,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,390 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 03:22:42,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,400 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 03:22:42,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:22:42,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:22:42,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:22:42,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,410 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 03:22:42,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,426 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 03:22:42,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,449 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 03:22:42,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,470 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 03:22:42,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,488 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 03:22:42,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,539 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 03:22:42,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,561 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 03:22:42,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,584 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 03:22:42,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:22:42,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:22:42,610 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 03:22:42,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:22:42,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:22:42,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:22:42,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:22:42,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:22:42,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,633 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:22:42,650 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 03:22:42,650 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1dbf73a-45ca-49f8-8321-d3dee22884fe/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:22:42,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:22:42,670 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:22:42,670 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:22:42,671 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2 Supporting invariants [] [2019-11-20 03:22:42,786 INFO L297 tatePredicateManager]: 34 out of 37 supporting invariants were superfluous and have been removed [2019-11-20 03:22:42,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:22:42,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:22:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:22:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:22:42,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:22:42,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:22:42,864 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:22:42,864 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 27 treesize of output 31 [2019-11-20 03:22:42,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:22:42,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:22:42,878 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:22:42,878 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:12 [2019-11-20 03:22:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:22:42,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 03:22:42,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:22:42,905 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 03:22:42,905 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 03:22:42,906 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-20 03:22:42,937 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 5 states. [2019-11-20 03:22:42,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:22:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:22:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-20 03:22:42,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-20 03:22:42,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:42,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-20 03:22:42,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:42,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 03:22:42,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:22:42,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2019-11-20 03:22:42,939 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:22:42,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-20 03:22:42,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:22:42,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:22:42,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:22:42,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:22:42,940 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:22:42,940 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:22:42,940 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:22:42,940 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:22:42,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:22:42,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:22:42,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:22:42,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:22:42 BoogieIcfgContainer [2019-11-20 03:22:42,945 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:22:42,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:22:42,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:22:42,945 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:22:42,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:22:33" (3/4) ... [2019-11-20 03:22:42,949 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:22:42,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:22:42,951 INFO L168 Benchmark]: Toolchain (without parser) took 10471.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.4 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -247.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:22:42,951 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:22:42,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:22:42,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:22:42,952 INFO L168 Benchmark]: Boogie Preprocessor took 56.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:22:42,953 INFO L168 Benchmark]: RCFGBuilder took 594.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:22:42,953 INFO L168 Benchmark]: BuchiAutomizer took 9199.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -54.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:22:42,954 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:22:42,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 544.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9199.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -54.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[i][i] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 44 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital778 mio100 ax102 hnf100 lsp95 ukn31 mio100 lsp34 div100 bol100 ite100 ukn100 eq192 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms 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...