./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 0.1.25-f470102 [2019-12-07 14:19:10,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:19:10,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:19:10,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:19:10,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:19:10,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:19:10,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:19:10,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:19:10,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:19:10,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:19:10,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:19:10,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:19:10,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:19:10,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:19:10,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:19:10,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:19:10,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:19:10,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:19:10,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:19:10,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:19:10,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:19:10,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:19:10,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:19:10,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:19:10,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:19:10,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:19:10,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:19:10,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:19:10,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:19:10,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:19:10,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:19:10,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:19:10,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:19:10,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:19:10,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:19:10,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:19:10,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:19:10,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:19:10,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:19:10,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:19:10,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:19:10,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:19:10,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:19:10,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:19:10,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:19:10,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:19:10,404 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:19:10,404 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:19:10,405 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:19:10,405 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:19:10,405 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:19:10,405 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:19:10,405 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:19:10,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:19:10,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:19:10,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:19:10,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:19:10,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:19:10,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:19:10,407 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:19:10,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:19:10,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:19:10,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:19:10,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:19:10,408 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:19:10,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:19:10,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:19:10,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:19:10,409 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:19:10,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:19:10,410 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_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:10,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:19:10,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:19:10,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:19:10,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:19:10,544 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:19:10,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-12-07 14:19:10,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/data/7ab561615/3d8f4b4fc79f4a6e8cf6169b06dc03f3/FLAG6882363f7 [2019-12-07 14:19:11,000 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:19:11,000 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-12-07 14:19:11,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/data/7ab561615/3d8f4b4fc79f4a6e8cf6169b06dc03f3/FLAG6882363f7 [2019-12-07 14:19:11,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/data/7ab561615/3d8f4b4fc79f4a6e8cf6169b06dc03f3 [2019-12-07 14:19:11,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:19:11,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:19:11,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:19:11,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:19:11,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:19:11,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b73245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11, skipping insertion in model container [2019-12-07 14:19:11,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:19:11,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:19:11,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:19:11,344 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:19:11,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:19:11,438 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:19:11,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11 WrapperNode [2019-12-07 14:19:11,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:19:11,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:19:11,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:19:11,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:19:11,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:19:11,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:19:11,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:19:11,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:19:11,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... [2019-12-07 14:19:11,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:19:11,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:19:11,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:19:11,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:19:11,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 14:19:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:19:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:19:11,722 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:19:11,723 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 14:19:11,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:19:11 BoogieIcfgContainer [2019-12-07 14:19:11,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:19:11,724 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:19:11,724 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:19:11,726 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:19:11,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:19:11,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:19:11" (1/3) ... [2019-12-07 14:19:11,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b784871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:19:11, skipping insertion in model container [2019-12-07 14:19:11,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:19:11,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:19:11" (2/3) ... [2019-12-07 14:19:11,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b784871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:19:11, skipping insertion in model container [2019-12-07 14:19:11,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:19:11,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:19:11" (3/3) ... [2019-12-07 14:19:11,729 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-12-07 14:19:11,756 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:19:11,756 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:19:11,756 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:19:11,757 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:19:11,757 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:19:11,757 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:19:11,757 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:19:11,757 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:19:11,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-12-07 14:19:11,780 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-12-07 14:19:11,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:11,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:11,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:11,785 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:11,785 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:19:11,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-12-07 14:19:11,786 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-12-07 14:19:11,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:11,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:11,787 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:11,787 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:11,790 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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 9#L-1true havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 23#L520true assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 11#L521true entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 3#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 25#L529true entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 5#L789true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 12#L790-3true [2019-12-07 14:19:11,790 INFO L796 eck$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 [2019-12-07 14:19:11,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:11,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815372, now seen corresponding path program 1 times [2019-12-07 14:19:11,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:11,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730458312] [2019-12-07 14:19:11,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:11,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730458312] [2019-12-07 14:19:11,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:11,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:19:11,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525312185] [2019-12-07 14:19:11,930 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:11,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:11,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-12-07 14:19:11,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:11,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755119474] [2019-12-07 14:19:11,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:11,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:12,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:12,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:19:12,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:19:12,022 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-12-07 14:19:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:12,064 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2019-12-07 14:19:12,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:12,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2019-12-07 14:19:12,068 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2019-12-07 14:19:12,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 35 states and 44 transitions. [2019-12-07 14:19:12,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-12-07 14:19:12,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2019-12-07 14:19:12,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2019-12-07 14:19:12,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:19:12,073 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-12-07 14:19:12,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2019-12-07 14:19:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2019-12-07 14:19:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 14:19:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2019-12-07 14:19:12,091 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-12-07 14:19:12,091 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-12-07 14:19:12,091 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:19:12,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2019-12-07 14:19:12,092 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-12-07 14:19:12,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:12,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:12,092 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:12,092 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:12,093 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 [2019-12-07 14:19:12,093 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 [2019-12-07 14:19:12,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:12,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813450, now seen corresponding path program 1 times [2019-12-07 14:19:12,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:12,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468963639] [2019-12-07 14:19:12,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,117 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:12,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 2 times [2019-12-07 14:19:12,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:12,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480429594] [2019-12-07 14:19:12,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,129 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938732, now seen corresponding path program 1 times [2019-12-07 14:19:12,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:12,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59121653] [2019-12-07 14:19:12,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:12,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:12,359 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-12-07 14:19:12,435 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:19:12,435 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:19:12,435 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:19:12,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:19:12,436 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:19:12,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:12,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:19:12,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:19:12,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration2_Lasso [2019-12-07 14:19:12,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:19:12,436 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:19:12,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,644 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-12-07 14:19:12,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:12,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:13,014 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:19:13,017 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,021 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 [2019-12-07 14:19:13,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,032 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 [2019-12-07 14:19:13,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,046 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 [2019-12-07 14:19:13,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,058 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 [2019-12-07 14:19:13,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,067 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 [2019-12-07 14:19:13,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,077 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 [2019-12-07 14:19:13,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,084 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 [2019-12-07 14:19:13,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,097 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 [2019-12-07 14:19:13,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,108 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 [2019-12-07 14:19:13,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,115 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 [2019-12-07 14:19:13,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,125 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 [2019-12-07 14:19:13,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,134 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 [2019-12-07 14:19:13,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,143 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 [2019-12-07 14:19:13,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,153 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 [2019-12-07 14:19:13,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,163 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 [2019-12-07 14:19:13,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:13,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:13,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:13,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,170 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 [2019-12-07 14:19:13,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,180 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 [2019-12-07 14:19:13,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,194 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 [2019-12-07 14:19:13,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,203 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 [2019-12-07 14:19:13,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:13,215 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 [2019-12-07 14:19:13,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:13,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:13,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:13,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:13,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:13,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:13,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:19:13,286 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 14:19:13,286 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_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:13,290 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:19:13,299 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:19:13,299 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:19:13,300 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~array~0.offset, ULTIMATE.start_entry_point_~i~2, v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1) = -1*ULTIMATE.start_entry_point_~array~0.offset - 4*ULTIMATE.start_entry_point_~i~2 + 1*v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1 Supporting invariants [] [2019-12-07 14:19:13,321 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-12-07 14:19:13,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 14:19:13,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:13,368 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:19:13,369 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:13,389 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:19:13,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:13,406 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 [2019-12-07 14:19:13,406 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 14:19:13,476 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. [2019-12-07 14:19:13,476 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 [2019-12-07 14:19:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 14:19:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2019-12-07 14:19:13,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 14:19:13,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:13,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 14:19:13,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:13,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 14:19:13,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:13,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-12-07 14:19:13,481 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-12-07 14:19:13,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 29 states and 37 transitions. [2019-12-07 14:19:13,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 14:19:13,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-12-07 14:19:13,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-12-07 14:19:13,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:19:13,482 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-12-07 14:19:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-12-07 14:19:13,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2019-12-07 14:19:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 14:19:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-12-07 14:19:13,484 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-12-07 14:19:13,484 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-12-07 14:19:13,484 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:19:13,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2019-12-07 14:19:13,485 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-12-07 14:19:13,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:13,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:13,485 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:13,485 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 14:19:13,485 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 [2019-12-07 14:19:13,485 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$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 249#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 257#L765-3 [2019-12-07 14:19:13,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938674, now seen corresponding path program 1 times [2019-12-07 14:19:13,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276586736] [2019-12-07 14:19:13,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:13,517 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276586736] [2019-12-07 14:19:13,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:13,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:19:13,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985697163] [2019-12-07 14:19:13,518 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 1 times [2019-12-07 14:19:13,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,518 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281135015] [2019-12-07 14:19:13,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:13,638 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 14:19:13,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:13,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:19:13,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:19:13,683 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-12-07 14:19:13,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:13,709 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-12-07 14:19:13,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:13,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2019-12-07 14:19:13,710 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2019-12-07 14:19:13,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 58 transitions. [2019-12-07 14:19:13,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2019-12-07 14:19:13,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2019-12-07 14:19:13,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2019-12-07 14:19:13,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:19:13,712 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2019-12-07 14:19:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2019-12-07 14:19:13,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2019-12-07 14:19:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 14:19:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-12-07 14:19:13,714 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-12-07 14:19:13,714 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-12-07 14:19:13,714 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 14:19:13,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2019-12-07 14:19:13,714 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-12-07 14:19:13,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:13,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:13,715 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:13,715 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 14:19:13,715 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 [2019-12-07 14:19:13,715 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 [2019-12-07 14:19:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,715 INFO L82 PathProgramCache]: Analyzing trace with hash -594068688, now seen corresponding path program 1 times [2019-12-07 14:19:13,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048727667] [2019-12-07 14:19:13,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:13,743 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048727667] [2019-12-07 14:19:13,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:13,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:19:13,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521752835] [2019-12-07 14:19:13,744 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,744 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 2 times [2019-12-07 14:19:13,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151955590] [2019-12-07 14:19:13,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:13,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:13,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:19:13,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:19:13,895 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-12-07 14:19:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:13,915 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2019-12-07 14:19:13,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:13,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2019-12-07 14:19:13,916 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-12-07 14:19:13,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 36 transitions. [2019-12-07 14:19:13,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-12-07 14:19:13,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-12-07 14:19:13,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2019-12-07 14:19:13,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:19:13,917 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2019-12-07 14:19:13,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2019-12-07 14:19:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-12-07 14:19:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 14:19:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-12-07 14:19:13,919 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-12-07 14:19:13,919 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-12-07 14:19:13,919 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 14:19:13,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2019-12-07 14:19:13,919 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-12-07 14:19:13,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:13,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:13,920 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:13,920 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 14:19:13,920 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 [2019-12-07 14:19:13,920 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 [2019-12-07 14:19:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1010756116, now seen corresponding path program 1 times [2019-12-07 14:19:13,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271759811] [2019-12-07 14:19:13,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,952 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,952 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 3 times [2019-12-07 14:19:13,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202794545] [2019-12-07 14:19:13,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:13,962 INFO L82 PathProgramCache]: Analyzing trace with hash 754630971, now seen corresponding path program 1 times [2019-12-07 14:19:13,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:13,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813155540] [2019-12-07 14:19:13,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:13,992 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:14,396 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 122 [2019-12-07 14:19:14,525 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-12-07 14:19:14,528 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:19:14,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:19:14,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:19:14,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:19:14,529 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:19:14,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:14,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:19:14,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:19:14,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration5_Lasso [2019-12-07 14:19:14,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:19:14,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:19:14,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,776 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-12-07 14:19:14,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:14,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:15,302 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:19:15,302 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,305 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 [2019-12-07 14:19:15,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,311 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 [2019-12-07 14:19:15,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,322 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 [2019-12-07 14:19:15,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,331 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 [2019-12-07 14:19:15,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,339 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 [2019-12-07 14:19:15,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:15,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,353 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 [2019-12-07 14:19:15,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,362 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 [2019-12-07 14:19:15,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,369 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 [2019-12-07 14:19:15,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,376 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 [2019-12-07 14:19:15,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,382 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 [2019-12-07 14:19:15,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,391 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 [2019-12-07 14:19:15,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,397 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 [2019-12-07 14:19:15,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,403 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 [2019-12-07 14:19:15,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,411 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 [2019-12-07 14:19:15,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,417 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 [2019-12-07 14:19:15,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,425 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 [2019-12-07 14:19:15,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,426 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 14:19:15,426 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 14:19:15,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,436 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 14:19:15,436 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 14:19:15,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,465 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 [2019-12-07 14:19:15,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:15,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,482 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 [2019-12-07 14:19:15,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,490 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 [2019-12-07 14:19:15,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:15,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,504 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 [2019-12-07 14:19:15,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,512 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 [2019-12-07 14:19:15,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,520 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 [2019-12-07 14:19:15,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,529 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 [2019-12-07 14:19:15,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,535 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 [2019-12-07 14:19:15,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,543 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 [2019-12-07 14:19:15,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:15,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:15,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:15,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,549 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 [2019-12-07 14:19:15,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,559 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 [2019-12-07 14:19:15,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:15,568 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 [2019-12-07 14:19:15,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:15,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:15,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:15,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:15,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:15,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:15,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:19:15,623 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 14:19:15,623 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_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:15,626 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:19:15,628 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:19:15,628 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:19:15,628 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 [] [2019-12-07 14:19:15,654 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 14:19:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:15,680 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:19:15,680 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:15,686 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:19:15,687 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:15,694 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 [2019-12-07 14:19:15,694 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-12-07 14:19:15,708 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. [2019-12-07 14:19:15,708 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 [2019-12-07 14:19:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:19:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2019-12-07 14:19:15,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 14:19:15,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:15,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 16 letters. Loop has 5 letters. [2019-12-07 14:19:15,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:15,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 10 letters. [2019-12-07 14:19:15,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:15,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-12-07 14:19:15,710 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-12-07 14:19:15,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 31 states and 40 transitions. [2019-12-07 14:19:15,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-12-07 14:19:15,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-12-07 14:19:15,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2019-12-07 14:19:15,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:15,712 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-12-07 14:19:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2019-12-07 14:19:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2019-12-07 14:19:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 14:19:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-07 14:19:15,714 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-07 14:19:15,714 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-07 14:19:15,714 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 14:19:15,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2019-12-07 14:19:15,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:19:15,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:15,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:15,715 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:15,715 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:15,715 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 [2019-12-07 14:19:15,715 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$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 574#L780-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 575#L780-3 [2019-12-07 14:19:15,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,716 INFO L82 PathProgramCache]: Analyzing trace with hash -580221115, now seen corresponding path program 1 times [2019-12-07 14:19:15,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908320866] [2019-12-07 14:19:15,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:19:15,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908320866] [2019-12-07 14:19:15,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:15,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:19:15,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095366822] [2019-12-07 14:19:15,746 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:15,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,746 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 1 times [2019-12-07 14:19:15,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126645108] [2019-12-07 14:19:15,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:15,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:15,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:19:15,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:19:15,770 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 14:19:15,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:15,806 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2019-12-07 14:19:15,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:15,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 86 transitions. [2019-12-07 14:19:15,807 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-12-07 14:19:15,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 86 transitions. [2019-12-07 14:19:15,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2019-12-07 14:19:15,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2019-12-07 14:19:15,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2019-12-07 14:19:15,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:15,808 INFO L688 BuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2019-12-07 14:19:15,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2019-12-07 14:19:15,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2019-12-07 14:19:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 14:19:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-12-07 14:19:15,810 INFO L711 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-12-07 14:19:15,810 INFO L591 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-12-07 14:19:15,810 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 14:19:15,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 48 transitions. [2019-12-07 14:19:15,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:19:15,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:15,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:15,811 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:15,811 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:15,811 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$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 695#L790-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 696#L790-3 assume !(entry_point_~i~2 < entry_point_~len~0); 697#L790-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 704#L765-3 assume !(alloc_17_~i~0 < alloc_17_~len); 668#L765-4 alloc_17_#res := 0; 669#L776 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 682#L780-3 [2019-12-07 14:19:15,811 INFO L796 eck$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 [2019-12-07 14:19:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash -838386553, now seen corresponding path program 1 times [2019-12-07 14:19:15,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819888338] [2019-12-07 14:19:15,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:19:15,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819888338] [2019-12-07 14:19:15,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:15,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:19:15,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588736549] [2019-12-07 14:19:15,835 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,835 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 2 times [2019-12-07 14:19:15,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675812410] [2019-12-07 14:19:15,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:15,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:15,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:19:15,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:19:15,857 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-12-07 14:19:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:15,884 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2019-12-07 14:19:15,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:15,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 64 transitions. [2019-12-07 14:19:15,885 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2019-12-07 14:19:15,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 64 transitions. [2019-12-07 14:19:15,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2019-12-07 14:19:15,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2019-12-07 14:19:15,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2019-12-07 14:19:15,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:15,886 INFO L688 BuchiCegarLoop]: Abstraction has 51 states and 64 transitions. [2019-12-07 14:19:15,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2019-12-07 14:19:15,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 28. [2019-12-07 14:19:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 14:19:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-12-07 14:19:15,887 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 14:19:15,887 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 14:19:15,887 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 14:19:15,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-12-07 14:19:15,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:19:15,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:15,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:15,888 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:15,888 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:15,888 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 [2019-12-07 14:19:15,888 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 [2019-12-07 14:19:15,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,889 INFO L82 PathProgramCache]: Analyzing trace with hash 754690497, now seen corresponding path program 1 times [2019-12-07 14:19:15,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51110024] [2019-12-07 14:19:15,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 1 times [2019-12-07 14:19:15,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220077008] [2019-12-07 14:19:15,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:15,910 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:15,910 INFO L82 PathProgramCache]: Analyzing trace with hash -591903197, now seen corresponding path program 1 times [2019-12-07 14:19:15,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:15,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804016818] [2019-12-07 14:19:15,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:19:15,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804016818] [2019-12-07 14:19:15,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:15,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 14:19:15,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704778026] [2019-12-07 14:19:15,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:15,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:19:15,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:19:15,999 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 14:19:16,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:16,084 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions. [2019-12-07 14:19:16,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 14:19:16,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 87 transitions. [2019-12-07 14:19:16,085 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-12-07 14:19:16,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 87 transitions. [2019-12-07 14:19:16,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2019-12-07 14:19:16,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2019-12-07 14:19:16,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2019-12-07 14:19:16,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:16,086 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2019-12-07 14:19:16,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2019-12-07 14:19:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 47. [2019-12-07 14:19:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 14:19:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-12-07 14:19:16,089 INFO L711 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-12-07 14:19:16,089 INFO L591 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-12-07 14:19:16,089 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 14:19:16,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 61 transitions. [2019-12-07 14:19:16,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:19:16,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:16,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:16,090 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] [2019-12-07 14:19:16,090 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:16,090 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 [2019-12-07 14:19:16,090 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 [2019-12-07 14:19:16,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:16,090 INFO L82 PathProgramCache]: Analyzing trace with hash 419216258, now seen corresponding path program 1 times [2019-12-07 14:19:16,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:16,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567376716] [2019-12-07 14:19:16,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:16,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:16,113 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 3 times [2019-12-07 14:19:16,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:16,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505156933] [2019-12-07 14:19:16,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,118 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:16,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:16,118 INFO L82 PathProgramCache]: Analyzing trace with hash -860099164, now seen corresponding path program 1 times [2019-12-07 14:19:16,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:16,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75210671] [2019-12-07 14:19:16,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:16,142 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:16,597 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2019-12-07 14:19:16,752 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-12-07 14:19:16,755 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:19:16,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:19:16,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:19:16,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:19:16,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:19:16,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:16,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:19:16,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:19:16,755 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration9_Lasso [2019-12-07 14:19:16,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:19:16,756 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:19:16,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:16,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,040 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-12-07 14:19:17,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:17,539 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:19:17,539 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,541 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 [2019-12-07 14:19:17,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:17,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,556 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 [2019-12-07 14:19:17,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,562 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 [2019-12-07 14:19:17,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,570 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 [2019-12-07 14:19:17,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,576 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 [2019-12-07 14:19:17,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,583 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 [2019-12-07 14:19:17,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,590 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 [2019-12-07 14:19:17,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,599 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 [2019-12-07 14:19:17,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,610 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 [2019-12-07 14:19:17,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,618 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 [2019-12-07 14:19:17,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,627 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 [2019-12-07 14:19:17,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,637 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 [2019-12-07 14:19:17,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,644 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 [2019-12-07 14:19:17,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,652 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 [2019-12-07 14:19:17,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,653 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 14:19:17,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,656 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 14:19:17,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,667 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 [2019-12-07 14:19:17,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:17,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:17,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:17,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:17,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:17,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:17,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:17,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:17,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:17,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:17,694 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:19:17,727 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-12-07 14:19:17,727 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_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:17,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:19:17,731 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:19:17,731 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:19:17,732 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 [] [2019-12-07 14:19:17,754 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 14:19:17,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:17,774 INFO L264 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:19:17,775 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:17,779 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:19:17,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:17,785 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 [2019-12-07 14:19:17,786 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 20 Second operand 3 states. [2019-12-07 14:19:17,792 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. [2019-12-07 14:19:17,792 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 [2019-12-07 14:19:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:19:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2019-12-07 14:19:17,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 2 letters. [2019-12-07 14:19:17,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:17,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 21 letters. Loop has 2 letters. [2019-12-07 14:19:17,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:17,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 4 letters. [2019-12-07 14:19:17,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:17,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2019-12-07 14:19:17,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:19:17,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 23 states and 27 transitions. [2019-12-07 14:19:17,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 14:19:17,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 14:19:17,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2019-12-07 14:19:17,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:17,795 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-12-07 14:19:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2019-12-07 14:19:17,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-12-07 14:19:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 14:19:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2019-12-07 14:19:17,796 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-12-07 14:19:17,796 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-12-07 14:19:17,796 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 14:19:17,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2019-12-07 14:19:17,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:19:17,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:17,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:17,797 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:19:17,797 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:17,797 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 [2019-12-07 14:19:17,797 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$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1110#L772-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1111#L772-3 [2019-12-07 14:19:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:17,797 INFO L82 PathProgramCache]: Analyzing trace with hash 718228858, now seen corresponding path program 1 times [2019-12-07 14:19:17,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:17,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356089327] [2019-12-07 14:19:17,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:19:17,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356089327] [2019-12-07 14:19:17,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:19:17,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:19:17,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917739136] [2019-12-07 14:19:17,816 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:17,817 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 2 times [2019-12-07 14:19:17,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:17,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134584557] [2019-12-07 14:19:17,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:17,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:17,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:17,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:19:17,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:19:17,884 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 14:19:17,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:17,899 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2019-12-07 14:19:17,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:19:17,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 33 transitions. [2019-12-07 14:19:17,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:19:17,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 31 transitions. [2019-12-07 14:19:17,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-12-07 14:19:17,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-12-07 14:19:17,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2019-12-07 14:19:17,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:17,901 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2019-12-07 14:19:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2019-12-07 14:19:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2019-12-07 14:19:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 14:19:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-12-07 14:19:17,902 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-12-07 14:19:17,902 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-12-07 14:19:17,902 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 14:19:17,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2019-12-07 14:19:17,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:19:17,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:17,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:17,903 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] [2019-12-07 14:19:17,904 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:17,904 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$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1179#L765-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1188#L765-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1168#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1169#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1176#L767 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1177#L767-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1173#L772-3 [2019-12-07 14:19:17,904 INFO L796 eck$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 [2019-12-07 14:19:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:17,904 INFO L82 PathProgramCache]: Analyzing trace with hash 38170488, now seen corresponding path program 1 times [2019-12-07 14:19:17,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:17,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694329539] [2019-12-07 14:19:17,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:17,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694329539] [2019-12-07 14:19:17,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171870327] [2019-12-07 14:19:17,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:17,980 INFO L264 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:19:17,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:18,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:19:18,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-12-07 14:19:18,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749830042] [2019-12-07 14:19:18,006 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:19:18,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:18,006 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 3 times [2019-12-07 14:19:18,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:18,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728788441] [2019-12-07 14:19:18,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,011 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:18,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:19:18,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:19:18,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:19:18,073 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-12-07 14:19:18,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:19:18,122 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2019-12-07 14:19:18,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:19:18,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2019-12-07 14:19:18,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:19:18,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 29 transitions. [2019-12-07 14:19:18,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 14:19:18,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 14:19:18,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-12-07 14:19:18,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:19:18,124 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-12-07 14:19:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-12-07 14:19:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-12-07 14:19:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 14:19:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-12-07 14:19:18,125 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 14:19:18,125 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 14:19:18,125 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 14:19:18,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2019-12-07 14:19:18,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:19:18,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:19:18,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:19:18,126 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] [2019-12-07 14:19:18,126 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:19:18,127 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 [2019-12-07 14:19:18,127 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 [2019-12-07 14:19:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:18,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2124874406, now seen corresponding path program 2 times [2019-12-07 14:19:18,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:18,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012653937] [2019-12-07 14:19:18,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,153 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 4 times [2019-12-07 14:19:18,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:18,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191637985] [2019-12-07 14:19:18,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1894836356, now seen corresponding path program 1 times [2019-12-07 14:19:18,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:19:18,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796665902] [2019-12-07 14:19:18,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:19:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:19:18,187 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:19:19,613 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 252 DAG size of output: 213 [2019-12-07 14:19:19,643 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 14:19:19,922 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-12-07 14:19:19,923 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:19:19,928 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 14:19:20,172 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-12-07 14:19:20,172 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:19:20,173 INFO L534 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. [2019-12-07 14:19:20,174 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:334, output treesize:326 [2019-12-07 14:19:20,414 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-12-07 14:19:20,416 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:19:20,417 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:19:20,417 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:19:20,417 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:19:20,417 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:19:20,417 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:20,417 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:19:20,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:19:20,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration12_Lasso [2019-12-07 14:19:20,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:19:20,417 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:19:20,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,694 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-12-07 14:19:20,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:20,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:19:21,160 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-07 14:19:21,240 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:19:21,240 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:21,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,249 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 [2019-12-07 14:19:21,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,257 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 [2019-12-07 14:19:21,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,267 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 [2019-12-07 14:19:21,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,277 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 [2019-12-07 14:19:21,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,284 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 [2019-12-07 14:19:21,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,291 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 [2019-12-07 14:19:21,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,300 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 [2019-12-07 14:19:21,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,308 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 [2019-12-07 14:19:21,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,317 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 [2019-12-07 14:19:21,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:21,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,339 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 [2019-12-07 14:19:21,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,345 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 [2019-12-07 14:19:21,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,353 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 [2019-12-07 14:19:21,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:21,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,367 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 [2019-12-07 14:19:21,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,372 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 [2019-12-07 14:19:21,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,379 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 [2019-12-07 14:19:21,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,385 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 [2019-12-07 14:19:21,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,392 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 [2019-12-07 14:19:21,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,399 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 [2019-12-07 14:19:21,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,405 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 [2019-12-07 14:19:21,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,411 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 [2019-12-07 14:19:21,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,417 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 [2019-12-07 14:19:21,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,424 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 [2019-12-07 14:19:21,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:19:21,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,440 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 [2019-12-07 14:19:21,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,448 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 [2019-12-07 14:19:21,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,455 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 [2019-12-07 14:19:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,461 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 [2019-12-07 14:19:21,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,468 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 [2019-12-07 14:19:21,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,469 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-12-07 14:19:21,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,474 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 14:19:21,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,489 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 [2019-12-07 14:19:21,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,500 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 [2019-12-07 14:19:21,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,511 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 [2019-12-07 14:19:21,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:19:21,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:19:21,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:19:21,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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 [2019-12-07 14:19:21,517 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 [2019-12-07 14:19:21,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:19:21,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:19:21,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:19:21,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:19:21,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:19:21,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:19:21,536 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:19:21,549 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 14:19:21,549 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_b5354ac1-3c5f-4d54-8779-4983dcc304ed/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) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:19:21,552 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:19:21,553 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:19:21,554 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:19:21,554 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 [] [2019-12-07 14:19:21,574 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 14:19:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:19:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:21,600 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:19:21,601 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:19:21,606 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:19:21,606 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:19:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:19:21,612 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 [2019-12-07 14:19:21,613 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 14:19:21,619 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. [2019-12-07 14:19:21,619 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 [2019-12-07 14:19:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:19:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2019-12-07 14:19:21,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 2 letters. [2019-12-07 14:19:21,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:21,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 25 letters. Loop has 2 letters. [2019-12-07 14:19:21,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:21,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 4 letters. [2019-12-07 14:19:21,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:19:21,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2019-12-07 14:19:21,620 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:19:21,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-12-07 14:19:21,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 14:19:21,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 14:19:21,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 14:19:21,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:19:21,621 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:19:21,621 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:19:21,621 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:19:21,621 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-12-07 14:19:21,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:19:21,621 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:19:21,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 14:19:21,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:19:21 BoogieIcfgContainer [2019-12-07 14:19:21,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:19:21,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:19:21,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:19:21,625 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:19:21,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:19:11" (3/4) ... [2019-12-07 14:19:21,628 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:19:21,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:19:21,629 INFO L168 Benchmark]: Toolchain (without parser) took 10607.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,629 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:19:21,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,630 INFO L168 Benchmark]: Boogie Preprocessor took 21.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,630 INFO L168 Benchmark]: RCFGBuilder took 226.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,630 INFO L168 Benchmark]: BuchiAutomizer took 9901.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.7 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:19:21,631 INFO L168 Benchmark]: Witness Printer took 2.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:19:21,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9901.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.7 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 + -4 * i + unknown-#length-unknown[malloc(size)] 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 9.8s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 9.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. 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, 0.1s 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: 40ms 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...