./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 771ea31dfbd697ea24d6820053320d940f30ec07 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:18,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:18,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:18,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:18,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:18,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:18,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:18,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:18,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:18,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:18,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:18,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:18,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:18,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:18,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:18,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:18,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:18,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:18,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:18,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:18,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:18,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:18,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:18,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:18,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:18,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:18,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:18,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:18,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:18,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:18,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:18,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:18,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:18,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:18,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:18,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:18,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:18,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:18,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:18,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:18,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:18,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:54:18,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:18,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:18,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:18,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:18,334 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:18,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:54:18,335 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:54:18,335 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:54:18,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:54:18,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:54:18,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:54:18,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:18,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:18,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:54:18,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:18,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:18,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:18,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:54:18,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:54:18,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:54:18,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:18,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:18,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:54:18,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:18,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:54:18,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:18,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:18,340 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:54:18,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:18,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:18,341 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:54:18,342 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:54:18,342 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_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 -> 771ea31dfbd697ea24d6820053320d940f30ec07 [2019-11-25 08:54:18,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:18,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:18,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:18,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:18,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:18,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-25 08:54:18,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/data/7ca4d2281/c2674b61c8374248afae39d6e98a776a/FLAGd52ca9f82 [2019-11-25 08:54:19,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:19,117 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-25 08:54:19,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/data/7ca4d2281/c2674b61c8374248afae39d6e98a776a/FLAGd52ca9f82 [2019-11-25 08:54:19,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/data/7ca4d2281/c2674b61c8374248afae39d6e98a776a [2019-11-25 08:54:19,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:19,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:19,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:19,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:19,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:19,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba9fd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19, skipping insertion in model container [2019-11-25 08:54:19,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:19,462 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:19,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:19,986 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:20,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:20,173 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:20,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20 WrapperNode [2019-11-25 08:54:20,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:20,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:20,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:20,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:20,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:20,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:20,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:20,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:20,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... [2019-11-25 08:54:20,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:20,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:20,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:20,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:20,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:54:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:54:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:54:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:54:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:20,891 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:20,891 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-25 08:54:20,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20 BoogieIcfgContainer [2019-11-25 08:54:20,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:20,893 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:54:20,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:54:20,899 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:54:20,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:54:19" (1/3) ... [2019-11-25 08:54:20,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e8ce7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:20, skipping insertion in model container [2019-11-25 08:54:20,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:20" (2/3) ... [2019-11-25 08:54:20,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e8ce7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:20, skipping insertion in model container [2019-11-25 08:54:20,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20" (3/3) ... [2019-11-25 08:54:20,905 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-25 08:54:20,961 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:54:20,961 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:54:20,961 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:54:20,962 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:20,962 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:20,962 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:54:20,962 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:20,963 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:54:20,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-11-25 08:54:21,006 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-25 08:54:21,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:21,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:21,015 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:21,015 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:21,015 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:54:21,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-11-25 08:54:21,018 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-25 08:54:21,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:21,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:21,019 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:21,020 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:21,026 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 9#L-1true havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 23#L520true assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 11#L521true entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 3#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 25#L529true entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 5#L789true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 12#L790-3true [2019-11-25 08:54:21,027 INFO L796 eck$LassoCheckResult]: Loop: 12#L790-3true assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 10#L790-2true entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 12#L790-3true [2019-11-25 08:54:21,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:21,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815372, now seen corresponding path program 1 times [2019-11-25 08:54:21,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:21,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531244820] [2019-11-25 08:54:21,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:21,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531244820] [2019-11-25 08:54:21,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:21,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:21,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50435399] [2019-11-25 08:54:21,272 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:21,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:21,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-25 08:54:21,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:21,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469704761] [2019-11-25 08:54:21,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:21,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:21,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:21,476 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-11-25 08:54:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:21,603 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2019-11-25 08:54:21,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:21,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2019-11-25 08:54:21,618 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2019-11-25 08:54:21,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 35 states and 44 transitions. [2019-11-25 08:54:21,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-11-25 08:54:21,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2019-11-25 08:54:21,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2019-11-25 08:54:21,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:21,643 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-25 08:54:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2019-11-25 08:54:21,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2019-11-25 08:54:21,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-25 08:54:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2019-11-25 08:54:21,699 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-11-25 08:54:21,699 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-11-25 08:54:21,700 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:54:21,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2019-11-25 08:54:21,701 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-25 08:54:21,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:21,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:21,702 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:21,702 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:21,703 INFO L794 eck$LassoCheckResult]: Stem: 105#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); 101#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 102#L520 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 104#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 87#L526 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; 88#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 94#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 95#L790-3 [2019-11-25 08:54:21,703 INFO L796 eck$LassoCheckResult]: Loop: 95#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 103#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 95#L790-3 [2019-11-25 08:54:21,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:21,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813450, now seen corresponding path program 1 times [2019-11-25 08:54:21,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:21,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503365368] [2019-11-25 08:54:21,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,742 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:21,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 2 times [2019-11-25 08:54:21,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:21,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737922332] [2019-11-25 08:54:21,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,779 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:21,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:21,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938732, now seen corresponding path program 1 times [2019-11-25 08:54:21,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:21,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385916983] [2019-11-25 08:54:21,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:21,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:22,409 WARN L192 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-11-25 08:54:22,584 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-25 08:54:22,597 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:22,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:22,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:22,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:22,606 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:22,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:22,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:22,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:22,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration2_Lasso [2019-11-25 08:54:22,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:22,608 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:22,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:22,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,082 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-11-25 08:54:23,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,905 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-25 08:54:23,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:23,945 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:23,960 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 [2019-11-25 08:54:23,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:23,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:23,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:23,989 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 [2019-11-25 08:54:23,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:23,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:24,016 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 [2019-11-25 08:54:24,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:24,047 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 [2019-11-25 08:54:24,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:24,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:24,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,069 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 [2019-11-25 08:54:24,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,088 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 [2019-11-25 08:54:24,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:24,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:24,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:24,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:24,121 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 [2019-11-25 08:54:24,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,145 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 [2019-11-25 08:54:24,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,160 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 [2019-11-25 08:54:24,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:24,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:24,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:24,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,184 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 [2019-11-25 08:54:24,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,200 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 [2019-11-25 08:54:24,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:24,216 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 [2019-11-25 08:54:24,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-25 08:54:24,236 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 [2019-11-25 08:54:24,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,257 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 [2019-11-25 08:54:24,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:24,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:24,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:24,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,271 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 [2019-11-25 08:54:24,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:24,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:24,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:24,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,284 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 [2019-11-25 08:54:24,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,296 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 [2019-11-25 08:54:24,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:24,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:24,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:24,363 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 [2019-11-25 08:54:24,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:24,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:24,393 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 [2019-11-25 08:54:24,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:24,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:24,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:24,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:24,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:24,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:24,423 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:24,516 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-25 08:54:24,516 INFO L444 ModelExtractionUtils]: 5 out of 34 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:24,528 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:54:24,535 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:24,536 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:24,537 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~array~0.offset, v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1, ULTIMATE.start_entry_point_~i~2) = -1*ULTIMATE.start_entry_point_~array~0.offset + 1*v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1 - 4*ULTIMATE.start_entry_point_~i~2 Supporting invariants [] [2019-11-25 08:54:24,571 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-25 08:54:24,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:54:24,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:54:24,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:54:24,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:24,734 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-25 08:54:24,735 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-25 08:54:24,864 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 36 states and 47 transitions. Complement of second has 9 states. [2019-11-25 08:54:24,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:54:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2019-11-25 08:54:24,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:54:24,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-25 08:54:24,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-25 08:54:24,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-25 08:54:24,877 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-25 08:54:24,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 29 states and 37 transitions. [2019-11-25 08:54:24,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:54:24,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-25 08:54:24,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-11-25 08:54:24,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:24,884 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-11-25 08:54:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-11-25 08:54:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2019-11-25 08:54:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:54:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-25 08:54:24,888 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-25 08:54:24,888 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-25 08:54:24,888 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:54:24,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2019-11-25 08:54:24,891 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:54:24,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:24,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:24,892 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:24,892 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:54:24,893 INFO L794 eck$LassoCheckResult]: Stem: 256#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); 252#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 253#L520 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 254#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 236#L526 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; 237#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 243#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 244#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 255#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 257#L765-3 [2019-11-25 08:54:24,893 INFO L796 eck$LassoCheckResult]: Loop: 257#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 238#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 239#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 247#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 249#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 257#L765-3 [2019-11-25 08:54:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938674, now seen corresponding path program 1 times [2019-11-25 08:54:24,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142036262] [2019-11-25 08:54:24,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:24,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142036262] [2019-11-25 08:54:24,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:24,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:24,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381636128] [2019-11-25 08:54:24,957 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:24,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 1 times [2019-11-25 08:54:24,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938017089] [2019-11-25 08:54:24,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,994 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,200 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-25 08:54:25,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:25,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:25,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:25,294 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-11-25 08:54:25,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:25,361 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-11-25 08:54:25,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:25,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2019-11-25 08:54:25,366 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2019-11-25 08:54:25,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 58 transitions. [2019-11-25 08:54:25,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2019-11-25 08:54:25,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2019-11-25 08:54:25,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2019-11-25 08:54:25,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:25,368 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2019-11-25 08:54:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2019-11-25 08:54:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2019-11-25 08:54:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 08:54:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-11-25 08:54:25,374 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-25 08:54:25,374 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-25 08:54:25,374 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:54:25,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2019-11-25 08:54:25,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:54:25,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:25,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:25,380 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:25,380 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:54:25,381 INFO L794 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 332#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 333#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 336#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 318#L526 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; 319#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 343#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 342#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 338#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 340#L765-3 [2019-11-25 08:54:25,382 INFO L796 eck$LassoCheckResult]: Loop: 340#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 320#L526-1 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; 321#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 329#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 331#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 340#L765-3 [2019-11-25 08:54:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -594068688, now seen corresponding path program 1 times [2019-11-25 08:54:25,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551396016] [2019-11-25 08:54:25,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:25,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551396016] [2019-11-25 08:54:25,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:25,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:25,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614213999] [2019-11-25 08:54:25,453 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:25,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 2 times [2019-11-25 08:54:25,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105074190] [2019-11-25 08:54:25,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,712 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-25 08:54:25,828 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-25 08:54:25,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:25,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:25,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:25,829 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-11-25 08:54:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:25,903 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2019-11-25 08:54:25,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:25,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2019-11-25 08:54:25,905 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:54:25,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 36 transitions. [2019-11-25 08:54:25,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-25 08:54:25,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-25 08:54:25,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2019-11-25 08:54:25,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:25,906 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2019-11-25 08:54:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2019-11-25 08:54:25,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-25 08:54:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:54:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-11-25 08:54:25,908 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-25 08:54:25,908 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-25 08:54:25,908 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:54:25,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2019-11-25 08:54:25,909 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-25 08:54:25,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:25,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:25,909 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:25,910 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:54:25,910 INFO L794 eck$LassoCheckResult]: Stem: 408#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); 403#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 404#L520 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 407#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 389#L526 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; 390#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 396#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 397#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 405#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 406#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 409#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 410#L765-3 [2019-11-25 08:54:25,910 INFO L796 eck$LassoCheckResult]: Loop: 410#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 391#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 392#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 400#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 402#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 410#L765-3 [2019-11-25 08:54:25,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1010756116, now seen corresponding path program 1 times [2019-11-25 08:54:25,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303005932] [2019-11-25 08:54:25,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,960 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 3 times [2019-11-25 08:54:25,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800394289] [2019-11-25 08:54:25,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash 754630971, now seen corresponding path program 1 times [2019-11-25 08:54:25,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447596960] [2019-11-25 08:54:25,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:26,055 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:26,300 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-25 08:54:26,415 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-25 08:54:26,975 WARN L192 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 122 [2019-11-25 08:54:27,162 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-25 08:54:27,169 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:27,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:27,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:27,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:27,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:27,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:27,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:27,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration5_Lasso [2019-11-25 08:54:27,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:27,170 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:27,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,658 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-11-25 08:54:27,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:27,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,289 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-25 08:54:28,570 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:28,570 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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) [2019-11-25 08:54:28,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:28,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,596 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 [2019-11-25 08:54:28,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,612 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 [2019-11-25 08:54:28,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,629 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 [2019-11-25 08:54:28,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:28,647 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 [2019-11-25 08:54:28,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:28,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:28,661 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 [2019-11-25 08:54:28,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:28,668 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 [2019-11-25 08:54:28,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:28,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/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 [2019-11-25 08:54:28,680 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 [2019-11-25 08:54:28,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,689 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 [2019-11-25 08:54:28,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,698 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 [2019-11-25 08:54:28,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,709 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 [2019-11-25 08:54:28,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:28,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,720 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 [2019-11-25 08:54:28,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,731 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 [2019-11-25 08:54:28,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:28,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,739 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 [2019-11-25 08:54:28,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:28,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,769 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 [2019-11-25 08:54:28,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,781 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 [2019-11-25 08:54:28,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:28,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,801 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:54:28,801 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:54:28,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,826 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-25 08:54:28,826 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:54:28,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,876 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 [2019-11-25 08:54:28,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,900 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 [2019-11-25 08:54:28,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:28,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,919 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,929 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 [2019-11-25 08:54:28,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,944 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 [2019-11-25 08:54:28,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:28,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:28,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,963 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 [2019-11-25 08:54:28,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:28,985 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 [2019-11-25 08:54:28,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:28,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:28,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:28,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:28,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:28,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,000 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 [2019-11-25 08:54:29,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:29,020 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 [2019-11-25 08:54:29,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:29,031 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 [2019-11-25 08:54:29,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:29,045 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 [2019-11-25 08:54:29,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,056 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 [2019-11-25 08:54:29,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:29,075 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 [2019-11-25 08:54:29,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:29,092 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,137 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:29,166 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:54:29,166 INFO L444 ModelExtractionUtils]: 24 out of 58 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:54:29,171 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:29,172 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:29,172 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~i~0, ULTIMATE.start_alloc_17_~len) = -1*ULTIMATE.start_alloc_17_~i~0 + 1*ULTIMATE.start_alloc_17_~len Supporting invariants [] [2019-11-25 08:54:29,208 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-25 08:54:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:54:29,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:29,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:29,272 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 [2019-11-25 08:54:29,272 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-25 08:54:29,301 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 43 states and 56 transitions. Complement of second has 6 states. [2019-11-25 08:54:29,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:54:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2019-11-25 08:54:29,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 5 letters. [2019-11-25 08:54:29,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 16 letters. Loop has 5 letters. [2019-11-25 08:54:29,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 10 letters. [2019-11-25 08:54:29,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,304 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-11-25 08:54:29,305 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-25 08:54:29,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 31 states and 40 transitions. [2019-11-25 08:54:29,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-25 08:54:29,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-11-25 08:54:29,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2019-11-25 08:54:29,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:29,305 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-11-25 08:54:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2019-11-25 08:54:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2019-11-25 08:54:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:54:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-11-25 08:54:29,307 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-11-25 08:54:29,307 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-11-25 08:54:29,307 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:54:29,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2019-11-25 08:54:29,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:54:29,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:29,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:29,308 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:29,308 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:29,308 INFO L794 eck$LassoCheckResult]: Stem: 586#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); 582#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 583#L520 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 584#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 563#L526 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; 564#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 572#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 573#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 580#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 581#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 585#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 587#L765-3 assume !(alloc_17_~i~0 < alloc_17_~len); 561#L765-4 alloc_17_#res := 0; 562#L776 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 575#L780-3 [2019-11-25 08:54:29,309 INFO L796 eck$LassoCheckResult]: Loop: 575#L780-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 574#L780-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 575#L780-3 [2019-11-25 08:54:29,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,309 INFO L82 PathProgramCache]: Analyzing trace with hash -580221115, now seen corresponding path program 1 times [2019-11-25 08:54:29,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942971626] [2019-11-25 08:54:29,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:54:29,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942971626] [2019-11-25 08:54:29,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:29,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:29,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147040041] [2019-11-25 08:54:29,359 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,359 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 1 times [2019-11-25 08:54:29,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884036976] [2019-11-25 08:54:29,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:29,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:29,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:29,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:29,409 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-25 08:54:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:29,471 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2019-11-25 08:54:29,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:29,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 86 transitions. [2019-11-25 08:54:29,472 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-11-25 08:54:29,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 86 transitions. [2019-11-25 08:54:29,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2019-11-25 08:54:29,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2019-11-25 08:54:29,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2019-11-25 08:54:29,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:29,475 INFO L688 BuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2019-11-25 08:54:29,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2019-11-25 08:54:29,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2019-11-25 08:54:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-25 08:54:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-11-25 08:54:29,478 INFO L711 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-25 08:54:29,479 INFO L591 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-25 08:54:29,479 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:54:29,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 48 transitions. [2019-11-25 08:54:29,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:54:29,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:29,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:29,480 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:29,480 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:29,480 INFO L794 eck$LassoCheckResult]: Stem: 693#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 687#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 688#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 691#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 692#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 701#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 702#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 694#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 695#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 696#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 697#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 704#L765-3 assume !(alloc_17_~i~0 < alloc_17_~len); 668#L765-4 alloc_17_#res := 0; 669#L776 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 682#L780-3 [2019-11-25 08:54:29,481 INFO L796 eck$LassoCheckResult]: Loop: 682#L780-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 681#L780-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 682#L780-3 [2019-11-25 08:54:29,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,481 INFO L82 PathProgramCache]: Analyzing trace with hash -838386553, now seen corresponding path program 1 times [2019-11-25 08:54:29,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881998658] [2019-11-25 08:54:29,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:54:29,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881998658] [2019-11-25 08:54:29,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:29,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:29,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435224693] [2019-11-25 08:54:29,522 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:29,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,523 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 2 times [2019-11-25 08:54:29,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153763726] [2019-11-25 08:54:29,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,529 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:29,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:29,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:29,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:29,568 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-25 08:54:29,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:29,626 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2019-11-25 08:54:29,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:29,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 64 transitions. [2019-11-25 08:54:29,628 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2019-11-25 08:54:29,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 64 transitions. [2019-11-25 08:54:29,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2019-11-25 08:54:29,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2019-11-25 08:54:29,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2019-11-25 08:54:29,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:29,649 INFO L688 BuchiCegarLoop]: Abstraction has 51 states and 64 transitions. [2019-11-25 08:54:29,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2019-11-25 08:54:29,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 28. [2019-11-25 08:54:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:54:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-25 08:54:29,652 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:54:29,652 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:54:29,652 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:54:29,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-25 08:54:29,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:54:29,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:29,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:29,654 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:29,654 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:29,654 INFO L794 eck$LassoCheckResult]: Stem: 792#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); 787#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 788#L520 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 791#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 770#L526 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; 771#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 779#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 780#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 789#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 790#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 793#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 794#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 772#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 773#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 783#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 784#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 777#L772-3 [2019-11-25 08:54:29,654 INFO L796 eck$LassoCheckResult]: Loop: 777#L772-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 776#L772-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 777#L772-3 [2019-11-25 08:54:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,655 INFO L82 PathProgramCache]: Analyzing trace with hash 754690497, now seen corresponding path program 1 times [2019-11-25 08:54:29,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978170544] [2019-11-25 08:54:29,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,694 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 1 times [2019-11-25 08:54:29,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494150851] [2019-11-25 08:54:29,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:29,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,711 INFO L82 PathProgramCache]: Analyzing trace with hash -591903197, now seen corresponding path program 1 times [2019-11-25 08:54:29,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:29,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897606099] [2019-11-25 08:54:29,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:54:29,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897606099] [2019-11-25 08:54:29,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:29,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:29,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975513418] [2019-11-25 08:54:29,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:29,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:54:29,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:29,904 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-25 08:54:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:30,044 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions. [2019-11-25 08:54:30,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:54:30,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 87 transitions. [2019-11-25 08:54:30,046 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-11-25 08:54:30,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 87 transitions. [2019-11-25 08:54:30,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2019-11-25 08:54:30,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2019-11-25 08:54:30,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2019-11-25 08:54:30,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:30,047 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2019-11-25 08:54:30,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2019-11-25 08:54:30,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 47. [2019-11-25 08:54:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-25 08:54:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-11-25 08:54:30,051 INFO L711 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-25 08:54:30,051 INFO L591 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-25 08:54:30,051 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-25 08:54:30,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 61 transitions. [2019-11-25 08:54:30,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:54:30,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:30,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:30,057 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:30,057 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:30,058 INFO L794 eck$LassoCheckResult]: Stem: 914#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); 909#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 910#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 917#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 935#L526 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; 934#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 933#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 932#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 911#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 912#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 916#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 918#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 893#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 894#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 905#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 906#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 899#L772-3 assume !(alloc_17_~j~0 >= 0); 900#L772-4 alloc_17_#res := 3; 890#L776 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 904#L780-3 [2019-11-25 08:54:30,058 INFO L796 eck$LassoCheckResult]: Loop: 904#L780-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 903#L780-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 904#L780-3 [2019-11-25 08:54:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash 419216258, now seen corresponding path program 1 times [2019-11-25 08:54:30,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:30,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833705907] [2019-11-25 08:54:30,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,097 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:30,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:30,098 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 3 times [2019-11-25 08:54:30,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:30,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151802824] [2019-11-25 08:54:30,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:30,104 INFO L82 PathProgramCache]: Analyzing trace with hash -860099164, now seen corresponding path program 1 times [2019-11-25 08:54:30,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:30,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426134296] [2019-11-25 08:54:30,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:30,139 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:31,019 WARN L192 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2019-11-25 08:54:31,218 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-25 08:54:31,219 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:31,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:31,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:31,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:31,220 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:31,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:31,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:31,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:31,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration9_Lasso [2019-11-25 08:54:31,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:31,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:31,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,550 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-11-25 08:54:31,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:31,964 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-11-25 08:54:32,235 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-25 08:54:32,411 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:32,411 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,415 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 [2019-11-25 08:54:32,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,423 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 [2019-11-25 08:54:32,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,437 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 [2019-11-25 08:54:32,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,445 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 [2019-11-25 08:54:32,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:32,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,464 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 [2019-11-25 08:54:32,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,472 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 [2019-11-25 08:54:32,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,483 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 [2019-11-25 08:54:32,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,494 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 [2019-11-25 08:54:32,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,509 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 [2019-11-25 08:54:32,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,532 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 [2019-11-25 08:54:32,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,543 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 [2019-11-25 08:54:32,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,563 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 [2019-11-25 08:54:32,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,570 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 [2019-11-25 08:54:32,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,581 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 [2019-11-25 08:54:32,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,583 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:54:32,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,589 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:54:32,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,601 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 [2019-11-25 08:54:32,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:32,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:32,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:32,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:32,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:32,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:32,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:32,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:32,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:32,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:32,658 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:32,701 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-11-25 08:54:32,702 INFO L444 ModelExtractionUtils]: 30 out of 55 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:32,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:32,707 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:32,707 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:32,707 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1, ULTIMATE.start_free_17_~len) = -1*ULTIMATE.start_free_17_~i~1 + 1*ULTIMATE.start_free_17_~len Supporting invariants [] [2019-11-25 08:54:32,729 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-25 08:54:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:32,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:54:32,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:32,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:32,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:32,788 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 [2019-11-25 08:54:32,788 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 20 Second operand 3 states. [2019-11-25 08:54:32,806 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 20. Second operand 3 states. Result 49 states and 64 transitions. Complement of second has 4 states. [2019-11-25 08:54:32,807 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 [2019-11-25 08:54:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:54:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2019-11-25 08:54:32,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-25 08:54:32,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:32,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 21 letters. Loop has 2 letters. [2019-11-25 08:54:32,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:32,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-25 08:54:32,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:32,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2019-11-25 08:54:32,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:32,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 23 states and 27 transitions. [2019-11-25 08:54:32,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-25 08:54:32,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:54:32,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2019-11-25 08:54:32,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:32,811 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-25 08:54:32,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2019-11-25 08:54:32,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-25 08:54:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-25 08:54:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2019-11-25 08:54:32,814 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-25 08:54:32,815 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-25 08:54:32,815 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-25 08:54:32,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2019-11-25 08:54:32,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:32,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:32,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:32,816 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:32,816 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:32,817 INFO L794 eck$LassoCheckResult]: Stem: 1124#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); 1120#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1121#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1122#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 1104#L526 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; 1105#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1112#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1113#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1118#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1119#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1123#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1125#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1108#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1109#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1116#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1117#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1126#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1106#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1107#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1114#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1115#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1111#L772-3 [2019-11-25 08:54:32,817 INFO L796 eck$LassoCheckResult]: Loop: 1111#L772-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1110#L772-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1111#L772-3 [2019-11-25 08:54:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash 718228858, now seen corresponding path program 1 times [2019-11-25 08:54:32,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:32,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335730134] [2019-11-25 08:54:32,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:54:32,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335730134] [2019-11-25 08:54:32,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:32,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:32,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903791933] [2019-11-25 08:54:32,860 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:32,861 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 2 times [2019-11-25 08:54:32,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:32,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520575550] [2019-11-25 08:54:32,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:32,867 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:32,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:32,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:32,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:32,984 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-25 08:54:33,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,013 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2019-11-25 08:54:33,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:33,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 33 transitions. [2019-11-25 08:54:33,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:54:33,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 31 transitions. [2019-11-25 08:54:33,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-11-25 08:54:33,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-25 08:54:33,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2019-11-25 08:54:33,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:33,015 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2019-11-25 08:54:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2019-11-25 08:54:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2019-11-25 08:54:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-25 08:54:33,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-11-25 08:54:33,017 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-25 08:54:33,017 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-25 08:54:33,017 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-25 08:54:33,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2019-11-25 08:54:33,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:33,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:33,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:33,018 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:33,018 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:33,019 INFO L794 eck$LassoCheckResult]: Stem: 1185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1180#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1181#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1184#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1166#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1167#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1174#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1175#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1182#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1183#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1186#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1187#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1170#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1171#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1178#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1179#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1188#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1168#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1169#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1176#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1177#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1173#L772-3 [2019-11-25 08:54:33,019 INFO L796 eck$LassoCheckResult]: Loop: 1173#L772-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1172#L772-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1173#L772-3 [2019-11-25 08:54:33,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,020 INFO L82 PathProgramCache]: Analyzing trace with hash 38170488, now seen corresponding path program 1 times [2019-11-25 08:54:33,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189033013] [2019-11-25 08:54:33,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189033013] [2019-11-25 08:54:33,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786104704] [2019-11-25 08:54:33,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:54:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:54:33,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:54:33,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-25 08:54:33,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314643412] [2019-11-25 08:54:33,220 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:54:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,220 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 3 times [2019-11-25 08:54:33,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752709050] [2019-11-25 08:54:33,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:33,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:54:33,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:54:33,335 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-11-25 08:54:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,430 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2019-11-25 08:54:33,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:33,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2019-11-25 08:54:33,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:33,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 29 transitions. [2019-11-25 08:54:33,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-25 08:54:33,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:54:33,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-11-25 08:54:33,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:54:33,434 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-25 08:54:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-11-25 08:54:33,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-11-25 08:54:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:54:33,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-11-25 08:54:33,436 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-25 08:54:33,436 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-25 08:54:33,436 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-25 08:54:33,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2019-11-25 08:54:33,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:33,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:33,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:33,437 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:33,437 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:33,438 INFO L794 eck$LassoCheckResult]: Stem: 1320#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); 1317#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1318#L520 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1319#L521 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 1301#L526 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; 1302#L529 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1309#L789 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1310#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1321#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1322#L790-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1315#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1316#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1323#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1324#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1305#L526-1 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; 1306#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1313#L767 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1314#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1325#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1303#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1304#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1311#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1312#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1308#L772-3 [2019-11-25 08:54:33,438 INFO L796 eck$LassoCheckResult]: Loop: 1308#L772-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1307#L772-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1308#L772-3 [2019-11-25 08:54:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2124874406, now seen corresponding path program 2 times [2019-11-25 08:54:33,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624912792] [2019-11-25 08:54:33,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,505 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:33,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,506 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 4 times [2019-11-25 08:54:33,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088618311] [2019-11-25 08:54:33,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,512 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:33,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1894836356, now seen corresponding path program 1 times [2019-11-25 08:54:33,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318576726] [2019-11-25 08:54:33,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:33,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:35,408 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 252 DAG size of output: 213 [2019-11-25 08:54:35,460 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:54:35,786 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-11-25 08:54:35,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:54:35,797 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:54:36,079 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-11-25 08:54:36,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:54:36,081 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-25 08:54:36,082 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:334, output treesize:326 [2019-11-25 08:54:36,383 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-11-25 08:54:36,385 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:36,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:36,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:36,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:36,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:36,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:36,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:36,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:36,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration12_Lasso [2019-11-25 08:54:36,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:36,386 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:36,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,815 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-11-25 08:54:36,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:36,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:37,239 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-11-25 08:54:37,635 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-11-25 08:54:37,753 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:37,753 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,758 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 [2019-11-25 08:54:37,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:37,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:37,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,789 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 [2019-11-25 08:54:37,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,803 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 [2019-11-25 08:54:37,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,813 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 [2019-11-25 08:54:37,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:37,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,826 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 [2019-11-25 08:54:37,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:37,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,834 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 [2019-11-25 08:54:37,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:37,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,856 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 [2019-11-25 08:54:37,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,866 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 [2019-11-25 08:54:37,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:37,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,876 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 [2019-11-25 08:54:37,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:37,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,888 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 [2019-11-25 08:54:37,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:37,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,904 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 [2019-11-25 08:54:37,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,925 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 [2019-11-25 08:54:37,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,936 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 [2019-11-25 08:54:37,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,947 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 [2019-11-25 08:54:37,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,964 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 [2019-11-25 08:54:37,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,976 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 [2019-11-25 08:54:37,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:37,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:37,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:37,987 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 [2019-11-25 08:54:37,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:37,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:37,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:37,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:37,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:37,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:37,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:38,001 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 [2019-11-25 08:54:38,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:38,012 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 [2019-11-25 08:54:38,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:38,032 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 [2019-11-25 08:54:38,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:38,044 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 [2019-11-25 08:54:38,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,053 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 [2019-11-25 08:54:38,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,064 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 [2019-11-25 08:54:38,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:38,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,072 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 [2019-11-25 08:54:38,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,083 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 [2019-11-25 08:54:38,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,094 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 [2019-11-25 08:54:38,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:38,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,103 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 [2019-11-25 08:54:38,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:38,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,112 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 [2019-11-25 08:54:38,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:38,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:38,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,122 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-25 08:54:38,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,132 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:54:38,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:38,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,178 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 [2019-11-25 08:54:38,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,194 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 [2019-11-25 08:54:38,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:38,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:38,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:38,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,203 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 [2019-11-25 08:54:38,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:38,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:38,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:38,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:38,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:38,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:38,239 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:38,272 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:54:38,272 INFO L444 ModelExtractionUtils]: 29 out of 46 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6cf19d6-7286-4fdb-915f-db8c1081d3ad/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:38,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:38,284 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:38,284 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:38,285 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~j~0) = 2*ULTIMATE.start_alloc_17_~j~0 + 1 Supporting invariants [] [2019-11-25 08:54:38,320 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-25 08:54:38,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:38,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:54:38,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:38,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:38,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:38,396 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 [2019-11-25 08:54:38,396 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-25 08:54:38,404 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 27 states and 31 transitions. Complement of second has 4 states. [2019-11-25 08:54:38,405 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 [2019-11-25 08:54:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:54:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2019-11-25 08:54:38,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 2 letters. [2019-11-25 08:54:38,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:38,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 25 letters. Loop has 2 letters. [2019-11-25 08:54:38,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:38,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 4 letters. [2019-11-25 08:54:38,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:38,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2019-11-25 08:54:38,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:38,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-25 08:54:38,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:54:38,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:54:38,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:54:38,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:38,408 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:38,408 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:38,408 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:38,408 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-25 08:54:38,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:38,408 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:38,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:54:38,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:38 BoogieIcfgContainer [2019-11-25 08:54:38,413 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:38,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:38,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:38,414 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:38,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20" (3/4) ... [2019-11-25 08:54:38,419 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:38,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:38,420 INFO L168 Benchmark]: Toolchain (without parser) took 19037.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 944.7 MB in the beginning and 986.4 MB in the end (delta: -41.7 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:38,421 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-25 08:54:38,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:38,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.07 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. [2019-11-25 08:54:38,422 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 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. [2019-11-25 08:54:38,422 INFO L168 Benchmark]: RCFGBuilder took 603.94 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:38,422 INFO L168 Benchmark]: BuchiAutomizer took 17519.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.0 MB). Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 90.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:38,423 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 1.3 GB. Free memory is still 986.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:38,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 793.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.86 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. * RCFGBuilder took 603.94 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 17519.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.0 MB). Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 90.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 ms. Allocated memory is still 1.3 GB. Free memory is still 986.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (8 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * array + unknown-#length-unknown[malloc(size)] + -4 * i and consists of 6 locations. One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function -1 * i + len and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 8 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.4s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 15.9s. Construction of modules took 0.4s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 126 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 47 states and ocurred in iteration 8. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 344 SDtfs, 483 SDslu, 534 SDs, 0 SdLazy, 280 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU7 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital315 mio100 ax110 hnf100 lsp83 ukn59 mio100 lsp53 div100 bol100 ite100 ukn100 eq190 hnf89 smp96 dnf110 smp97 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 76ms VariablesStem: 7 VariablesLoop: 6 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...