./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09bd2b4d877b02d6e4448e44897944243667e3ce ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:04:02,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:04:02,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:04:02,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:04:02,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:04:02,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:04:02,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:04:02,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:04:02,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:04:02,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:04:02,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:04:02,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:04:02,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:04:02,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:04:02,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:04:02,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:04:02,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:04:02,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:04:02,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:04:02,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:04:02,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:04:02,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:04:02,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:04:02,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:04:02,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:04:02,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:04:02,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:04:02,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:04:02,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:04:02,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:04:02,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:04:02,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:04:02,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:04:02,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:04:02,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:04:02,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:04:02,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:04:02,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:04:02,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:04:02,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:04:02,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:04:02,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 23:04:02,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:04:02,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:04:02,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:04:02,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:04:02,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:04:02,301 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:04:02,301 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:04:02,301 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:04:02,301 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:04:02,301 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:04:02,302 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:04:02,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:04:02,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:04:02,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:04:02,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:04:02,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:04:02,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:04:02,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:04:02,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:04:02,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:04:02,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:04:02,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:04:02,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:04:02,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:04:02,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:04:02,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:04:02,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:04:02,305 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:04:02,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:04:02,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:04:02,305 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:04:02,306 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:04:02,306 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_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09bd2b4d877b02d6e4448e44897944243667e3ce [2019-11-19 23:04:02,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:04:02,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:04:02,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:04:02,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:04:02,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:04:02,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-11-19 23:04:02,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/data/d5e1a3f03/dbbe20e4cf364e7a8d2548c2aad01fd5/FLAG682a628f8 [2019-11-19 23:04:02,994 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:04:02,995 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-11-19 23:04:03,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/data/d5e1a3f03/dbbe20e4cf364e7a8d2548c2aad01fd5/FLAG682a628f8 [2019-11-19 23:04:03,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/data/d5e1a3f03/dbbe20e4cf364e7a8d2548c2aad01fd5 [2019-11-19 23:04:03,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:04:03,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:04:03,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:03,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:04:03,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:04:03,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:03" (1/1) ... [2019-11-19 23:04:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284a5bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:03, skipping insertion in model container [2019-11-19 23:04:03,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:03" (1/1) ... [2019-11-19 23:04:03,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:04:03,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:04:03,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:03,993 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:04:04,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:04,149 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:04:04,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04 WrapperNode [2019-11-19 23:04:04,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:04,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:04,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:04:04,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:04:04,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:04,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:04:04,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:04:04,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:04:04,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... [2019-11-19 23:04:04,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:04:04,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:04:04,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:04:04,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:04:04,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 23:04:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 23:04:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:04:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 23:04:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:04:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 23:04:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:04:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:04:04,578 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:04:04,578 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-19 23:04:04,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:04 BoogieIcfgContainer [2019-11-19 23:04:04,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:04:04,579 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:04:04,580 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:04:04,583 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:04:04,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:04:04,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:04:03" (1/3) ... [2019-11-19 23:04:04,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d1243d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:04:04, skipping insertion in model container [2019-11-19 23:04:04,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:04:04,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:04" (2/3) ... [2019-11-19 23:04:04,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d1243d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:04:04, skipping insertion in model container [2019-11-19 23:04:04,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:04:04,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:04" (3/3) ... [2019-11-19 23:04:04,588 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2019-11-19 23:04:04,647 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:04:04,647 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:04:04,647 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:04:04,647 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:04:04,648 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:04:04,648 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:04:04,648 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:04:04,648 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:04:04,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-19 23:04:04,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 23:04:04,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:04,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:04,690 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:04,690 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:04,690 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:04:04,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-19 23:04:04,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 23:04:04,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:04,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:04,692 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:04,692 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:04,697 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 18#L527true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 14#L530true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 9#L767true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 13#L768-3true [2019-11-19 23:04:04,698 INFO L796 eck$LassoCheckResult]: Loop: 13#L768-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L527-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 16#L530-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 6#L770true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 11#L768-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 13#L768-3true [2019-11-19 23:04:04,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:04,703 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-19 23:04:04,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:04,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496186223] [2019-11-19 23:04:04,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:04,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496186223] [2019-11-19 23:04:04,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:04,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:04,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221642681] [2019-11-19 23:04:04,901 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 23:04:04,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:04,901 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2019-11-19 23:04:04,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:04,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38300063] [2019-11-19 23:04:04,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:04,953 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:05,191 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-19 23:04:05,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:05,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:05,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:05,312 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-11-19 23:04:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:05,391 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-19 23:04:05,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:04:05,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-19 23:04:05,395 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-19 23:04:05,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 23 transitions. [2019-11-19 23:04:05,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-19 23:04:05,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-19 23:04:05,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-11-19 23:04:05,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:04:05,401 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-19 23:04:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-11-19 23:04:05,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-19 23:04:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 23:04:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-11-19 23:04:05,426 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-19 23:04:05,426 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-19 23:04:05,426 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:04:05,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2019-11-19 23:04:05,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 23:04:05,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:05,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:05,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:05,427 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:04:05,428 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 70#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 72#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 67#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 68#L768-3 [2019-11-19 23:04:05,428 INFO L796 eck$LassoCheckResult]: Loop: 68#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 64#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 66#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 68#L768-3 [2019-11-19 23:04:05,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:05,428 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-11-19 23:04:05,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:05,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673409654] [2019-11-19 23:04:05,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:05,477 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2019-11-19 23:04:05,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:05,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312442137] [2019-11-19 23:04:05,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,521 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:05,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:05,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2019-11-19 23:04:05,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:05,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794921021] [2019-11-19 23:04:05,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:05,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:05,825 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-19 23:04:06,150 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-19 23:04:06,260 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-19 23:04:06,272 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:04:06,273 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:04:06,274 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:04:06,274 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:04:06,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:04:06,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:06,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:04:06,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:04:06,275 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2019-11-19 23:04:06,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:04:06,283 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:04:06,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,602 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-19 23:04:06,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:06,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:07,212 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-19 23:04:07,412 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:04:07,416 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:04:07,430 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 [2019-11-19 23:04:07,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:07,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) [2019-11-19 23:04:07,458 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 [2019-11-19 23:04:07,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:07,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:07,462 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 [2019-11-19 23:04:07,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,474 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 [2019-11-19 23:04:07,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:07,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:07,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:07,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,498 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 [2019-11-19 23:04:07,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:07,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:07,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:07,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:04:07,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:07,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:07,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) [2019-11-19 23:04:07,547 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:07,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:07,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:07,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,561 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 [2019-11-19 23:04:07,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:07,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:07,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:07,602 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 [2019-11-19 23:04:07,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:07,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:07,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:07,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:07,616 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 [2019-11-19 23:04:07,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,619 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 23:04:07,619 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 23:04:07,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,653 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-19 23:04:07,653 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 23:04:07,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:07,715 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 [2019-11-19 23:04:07,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:07,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:07,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:07,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:07,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:07,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:07,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:04:07,800 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-19 23:04:07,800 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:04:07,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:07,821 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 23:04:07,821 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:04:07,822 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0) = -2*ULTIMATE.start_entry_point_~i~0 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0 + 10 >= 0] [2019-11-19 23:04:07,849 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 23:04:07,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:07,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:04:07,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:07,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:04:07,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:07,981 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 [2019-11-19 23:04:07,982 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-19 23:04:08,066 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 5 states. [2019-11-19 23:04:08,068 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 [2019-11-19 23:04:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 23:04:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 23:04:08,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-19 23:04:08,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:08,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-19 23:04:08,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:08,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-19 23:04:08,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:08,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-11-19 23:04:08,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:04:08,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2019-11-19 23:04:08,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 23:04:08,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 23:04:08,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2019-11-19 23:04:08,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:04:08,075 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 23:04:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2019-11-19 23:04:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-19 23:04:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 23:04:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-19 23:04:08,077 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 23:04:08,077 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 23:04:08,077 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:04:08,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-19 23:04:08,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:04:08,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:08,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:08,078 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:08,078 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:04:08,079 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 187#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 188#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 191#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 185#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 186#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 177#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 178#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 181#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 182#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 175#L775-3 [2019-11-19 23:04:08,079 INFO L796 eck$LassoCheckResult]: Loop: 175#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 176#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 175#L775-3 [2019-11-19 23:04:08,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2019-11-19 23:04:08,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349825847] [2019-11-19 23:04:08,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2019-11-19 23:04:08,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991066608] [2019-11-19 23:04:08,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,154 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,158 INFO L82 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2019-11-19 23:04:08,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209102205] [2019-11-19 23:04:08,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:08,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209102205] [2019-11-19 23:04:08,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:08,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:04:08,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439852989] [2019-11-19 23:04:08,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:08,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:08,273 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-19 23:04:08,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:08,309 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2019-11-19 23:04:08,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:08,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2019-11-19 23:04:08,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:04:08,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2019-11-19 23:04:08,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-19 23:04:08,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 23:04:08,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2019-11-19 23:04:08,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:04:08,312 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-19 23:04:08,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2019-11-19 23:04:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-19 23:04:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 23:04:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-19 23:04:08,317 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 23:04:08,318 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 23:04:08,318 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 23:04:08,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-19 23:04:08,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:04:08,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:08,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:08,320 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:08,320 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:04:08,320 INFO L794 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 241#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 242#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 245#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 239#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 240#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 233#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 234#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 237#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 238#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 243#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 231#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 232#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 235#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 236#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 229#L775-3 [2019-11-19 23:04:08,320 INFO L796 eck$LassoCheckResult]: Loop: 229#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 230#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 229#L775-3 [2019-11-19 23:04:08,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2019-11-19 23:04:08,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258495896] [2019-11-19 23:04:08,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:08,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258495896] [2019-11-19 23:04:08,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:08,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:04:08,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385330232] [2019-11-19 23:04:08,411 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 23:04:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2019-11-19 23:04:08,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888293295] [2019-11-19 23:04:08,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,424 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:08,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:08,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:08,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:08,476 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 23:04:08,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:08,522 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-11-19 23:04:08,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:04:08,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2019-11-19 23:04:08,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:04:08,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2019-11-19 23:04:08,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-19 23:04:08,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-19 23:04:08,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2019-11-19 23:04:08,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:04:08,525 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-11-19 23:04:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2019-11-19 23:04:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2019-11-19 23:04:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 23:04:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-11-19 23:04:08,527 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-19 23:04:08,527 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-19 23:04:08,527 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 23:04:08,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2019-11-19 23:04:08,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:04:08,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:04:08,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:04:08,529 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:08,529 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:04:08,529 INFO L794 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 291#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 292#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 295#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 289#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 290#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 283#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 284#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 287#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 288#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 293#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 281#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 282#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 285#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 286#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 279#L775-3 [2019-11-19 23:04:08,529 INFO L796 eck$LassoCheckResult]: Loop: 279#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 280#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 279#L775-3 [2019-11-19 23:04:08,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,530 INFO L82 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2019-11-19 23:04:08,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760367261] [2019-11-19 23:04:08,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,579 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2019-11-19 23:04:08,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025877087] [2019-11-19 23:04:08,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,589 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:08,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:08,590 INFO L82 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2019-11-19 23:04:08,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:08,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211085379] [2019-11-19 23:04:08,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:04:08,644 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:04:09,312 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-11-19 23:04:09,475 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-19 23:04:09,476 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:04:09,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:04:09,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:04:09,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:04:09,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:04:09,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:09,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:04:09,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:04:09,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2019-11-19 23:04:09,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:04:09,477 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:04:09,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:09,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:04:10,093 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-19 23:04:10,164 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:04:10,164 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,168 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 [2019-11-19 23:04:10,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,183 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 [2019-11-19 23:04:10,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,194 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 [2019-11-19 23:04:10,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,209 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 [2019-11-19 23:04:10,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,219 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 [2019-11-19 23:04:10,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:04:10,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,243 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 [2019-11-19 23:04:10,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:04:10,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,266 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 [2019-11-19 23:04:10,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,273 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 [2019-11-19 23:04:10,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,281 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 [2019-11-19 23:04:10,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,295 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 [2019-11-19 23:04:10,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,303 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 [2019-11-19 23:04:10,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,312 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 [2019-11-19 23:04:10,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:04:10,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,358 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 [2019-11-19 23:04:10,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:04:10,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,381 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 [2019-11-19 23:04:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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 [2019-11-19 23:04:10,393 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 [2019-11-19 23:04:10,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:04:10,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:04:10,420 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 [2019-11-19 23:04:10,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:04:10,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:04:10,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) [2019-11-19 23:04:10,431 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 [2019-11-19 23:04:10,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,433 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 23:04:10,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,440 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:04:10,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) [2019-11-19 23:04:10,462 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 [2019-11-19 23:04:10,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:04:10,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:04:10,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:04:10,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:04:10,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:04:10,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:04:10,512 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-19 23:04:10,513 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5edaf32e-40b0-47f1-8c20-1ca69e64a2ef/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) [2019-11-19 23:04:10,518 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:04:10,522 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:04:10,522 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:04:10,522 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0) = 2*ULTIMATE.start_entry_point_~j~0 + 1 Supporting invariants [] [2019-11-19 23:04:10,542 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 23:04:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:10,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:04:10,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:10,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:04:10,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:10,611 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:04:10,611 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-19 23:04:10,626 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 22 transitions. Complement of second has 4 states. [2019-11-19 23:04:10,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 23:04:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:04:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-11-19 23:04:10,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-19 23:04:10,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:10,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-19 23:04:10,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:10,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-19 23:04:10,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:04:10,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2019-11-19 23:04:10,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:04:10,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-11-19 23:04:10,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:04:10,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:04:10,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:04:10,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:04:10,630 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:04:10,630 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:04:10,630 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:04:10,630 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 23:04:10,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:04:10,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:04:10,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:04:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:04:10 BoogieIcfgContainer [2019-11-19 23:04:10,639 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:04:10,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:04:10,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:04:10,639 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:04:10,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:04" (3/4) ... [2019-11-19 23:04:10,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:04:10,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:04:10,645 INFO L168 Benchmark]: Toolchain (without parser) took 7301.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:10,645 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:04:10,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:10,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:10,653 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:04:10,654 INFO L168 Benchmark]: RCFGBuilder took 352.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:10,655 INFO L168 Benchmark]: BuchiAutomizer took 6059.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:10,655 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:04:10,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 802.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 352.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6059.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 5.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 63 SDslu, 72 SDs, 0 SdLazy, 59 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn55 mio100 lsp57 div100 bol100 ite100 ukn100 eq190 hnf92 smp100 dnf112 smp92 tf100 neg96 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...