./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum.i -s /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 da87bd2c164f2cedcaf68e07e37e51e9db0c32ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:03:11,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:03:11,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:03:11,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:03:11,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:03:11,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:03:11,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:03:11,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:03:11,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:03:11,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:03:11,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:03:11,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:03:11,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:11,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:11,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:11,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:11,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:11,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:11,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:11,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:11,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:11,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:11,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:11,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:11,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:11,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:11,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:11,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:11,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:11,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:11,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:11,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:11,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:11,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:11,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:11,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:11,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:11,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:11,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:11,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:11,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:11,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:03:11,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:11,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:11,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:11,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:11,715 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:11,715 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:03:11,716 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:03:11,716 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:03:11,716 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:03:11,717 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:03:11,717 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:03:11,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:11,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:11,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:03:11,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:03:11,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:11,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:11,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:03:11,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:03:11,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:03:11,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:11,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:11,725 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:03:11,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:11,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:03:11,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:11,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:11,726 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:03:11,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:11,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:03:11,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:11,728 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:03:11,729 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:03:11,729 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da87bd2c164f2cedcaf68e07e37e51e9db0c32ce [2020-11-30 01:03:12,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:12,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:12,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:12,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:12,046 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:12,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/../../sv-benchmarks/c/reducercommutativity/sum.i [2020-11-30 01:03:12,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/data/a1682ff04/606121635f694b4bb4d3fb74b3d1fc36/FLAG9a9b6df3d [2020-11-30 01:03:12,761 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:12,763 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/sv-benchmarks/c/reducercommutativity/sum.i [2020-11-30 01:03:12,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/data/a1682ff04/606121635f694b4bb4d3fb74b3d1fc36/FLAG9a9b6df3d [2020-11-30 01:03:13,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/data/a1682ff04/606121635f694b4bb4d3fb74b3d1fc36 [2020-11-30 01:03:13,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:13,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:13,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:13,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:13,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:13,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7cd1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13, skipping insertion in model container [2020-11-30 01:03:13,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:13,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:13,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:13,338 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:13,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:13,385 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:13,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13 WrapperNode [2020-11-30 01:03:13,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:13,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:13,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:13,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:13,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:13,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:13,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:13,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:13,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... [2020-11-30 01:03:13,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:13,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:13,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:13,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:13,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:03:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:03:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:03:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:03:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:03:14,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:03:14,200 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 01:03:14,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:14 BoogieIcfgContainer [2020-11-30 01:03:14,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:03:14,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:03:14,204 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:03:14,207 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:03:14,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:03:14,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:03:13" (1/3) ... [2020-11-30 01:03:14,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70be20c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:03:14, skipping insertion in model container [2020-11-30 01:03:14,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:03:14,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:13" (2/3) ... [2020-11-30 01:03:14,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70be20c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:03:14, skipping insertion in model container [2020-11-30 01:03:14,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:03:14,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:14" (3/3) ... [2020-11-30 01:03:14,213 INFO L373 chiAutomizerObserver]: Analyzing ICFG sum.i [2020-11-30 01:03:14,279 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:03:14,279 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:03:14,279 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:03:14,279 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:03:14,279 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:03:14,280 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:03:14,280 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:03:14,280 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:03:14,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-30 01:03:14,321 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-11-30 01:03:14,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:14,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:14,328 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:03:14,329 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:14,329 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:03:14,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-30 01:03:14,335 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-11-30 01:03:14,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:14,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:14,336 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:03:14,337 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:14,345 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 25#L31true assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 8#L22-3true [2020-11-30 01:03:14,346 INFO L796 eck$LassoCheckResult]: Loop: 8#L22-3true assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 9#L22-2true sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 8#L22-3true [2020-11-30 01:03:14,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:14,358 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-11-30 01:03:14,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:14,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655780830] [2020-11-30 01:03:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,526 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:14,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2020-11-30 01:03:14,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:14,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558123601] [2020-11-30 01:03:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,548 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:14,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:14,550 INFO L82 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2020-11-30 01:03:14,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:14,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193839348] [2020-11-30 01:03:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:14,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:14,626 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:15,592 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-11-30 01:03:15,837 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-30 01:03:15,858 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:03:15,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:03:15,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:03:15,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:03:15,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:03:15,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:15,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:03:15,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:03:15,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration1_Lasso [2020-11-30 01:03:15,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:03:15,866 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:03:15,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:15,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:16,620 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-11-30 01:03:16,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:16,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:16,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:16,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:16,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:17,430 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:03:17,436 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:17,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:17,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:17,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:17,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:17,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:17,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:17,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:17,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:17,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:17,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:17,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:17,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:17,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:17,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:17,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:17,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:17,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:17,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:17,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:17,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:18,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:18,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:18,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:18,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:18,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:18,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:18,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:18,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:18,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:18,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:18,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,369 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 [2020-11-30 01:03:18,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,548 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 [2020-11-30 01:03:18,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:18,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:18,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:18,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:18,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:18,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:18,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:18,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:18,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:18,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:18,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:03:19,024 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-30 01:03:19,024 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:19,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:19,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:03:19,037 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:03:19,037 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0, ~N~0) = -1*ULTIMATE.start_sum_~i~0 + 1*~N~0 Supporting invariants [] [2020-11-30 01:03:19,225 INFO L297 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2020-11-30 01:03:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:19,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:03:19,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:19,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:19,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:19,340 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 [2020-11-30 01:03:19,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states. Second operand 3 states. [2020-11-30 01:03:19,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states.. Second operand 3 states. Result 53 states and 73 transitions. Complement of second has 8 states. [2020-11-30 01:03:19,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:03:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:03:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2020-11-30 01:03:19,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-30 01:03:19,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:19,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 01:03:19,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:19,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-30 01:03:19,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:19,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 73 transitions. [2020-11-30 01:03:19,450 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:19,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 17 states and 23 transitions. [2020-11-30 01:03:19,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-11-30 01:03:19,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-11-30 01:03:19,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-11-30 01:03:19,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:19,463 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-30 01:03:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-11-30 01:03:19,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-30 01:03:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-30 01:03:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-11-30 01:03:19,521 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-30 01:03:19,521 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-30 01:03:19,521 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:03:19,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-11-30 01:03:19,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:19,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:19,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:19,527 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:03:19,527 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:19,528 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 285#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 286#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 281#L22-3 assume !(sum_~i~0 < ~N~0); 277#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 278#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 274#L22-8 [2020-11-30 01:03:19,528 INFO L796 eck$LassoCheckResult]: Loop: 274#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 273#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 274#L22-8 [2020-11-30 01:03:19,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:19,530 INFO L82 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2020-11-30 01:03:19,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:19,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591660082] [2020-11-30 01:03:19,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:19,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591660082] [2020-11-30 01:03:19,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:19,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:03:19,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439382312] [2020-11-30 01:03:19,681 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:03:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:19,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2020-11-30 01:03:19,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:19,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067905801] [2020-11-30 01:03:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:19,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:19,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:19,696 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:19,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:19,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:03:19,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:03:19,749 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-11-30 01:03:19,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:19,800 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2020-11-30 01:03:19,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:03:19,801 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2020-11-30 01:03:19,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:19,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2020-11-30 01:03:19,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-11-30 01:03:19,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-11-30 01:03:19,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-11-30 01:03:19,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:19,804 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-30 01:03:19,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-11-30 01:03:19,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-11-30 01:03:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-30 01:03:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-11-30 01:03:19,806 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-30 01:03:19,807 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-30 01:03:19,807 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:03:19,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-11-30 01:03:19,808 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:19,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:19,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:19,809 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:19,809 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:19,809 INFO L794 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 326#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 327#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 322#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 323#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 324#L22-3 assume !(sum_~i~0 < ~N~0); 318#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 319#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 315#L22-8 [2020-11-30 01:03:19,810 INFO L796 eck$LassoCheckResult]: Loop: 315#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 314#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 315#L22-8 [2020-11-30 01:03:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:19,810 INFO L82 PathProgramCache]: Analyzing trace with hash 123162473, now seen corresponding path program 1 times [2020-11-30 01:03:19,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:19,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941346325] [2020-11-30 01:03:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:19,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941346325] [2020-11-30 01:03:19,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420332452] [2020-11-30 01:03:19,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:03:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:19,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:20,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:03:20,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-30 01:03:20,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453177427] [2020-11-30 01:03:20,014 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:03:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:20,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 2 times [2020-11-30 01:03:20,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:20,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016556337] [2020-11-30 01:03:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:20,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:20,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:03:20,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:03:20,093 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 7 Second operand 6 states. [2020-11-30 01:03:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:20,170 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2020-11-30 01:03:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:03:20,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2020-11-30 01:03:20,172 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:20,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2020-11-30 01:03:20,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-11-30 01:03:20,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-11-30 01:03:20,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2020-11-30 01:03:20,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:20,173 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-30 01:03:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2020-11-30 01:03:20,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2020-11-30 01:03:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 01:03:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2020-11-30 01:03:20,175 INFO L714 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 01:03:20,176 INFO L594 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 01:03:20,176 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 01:03:20,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2020-11-30 01:03:20,176 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-11-30 01:03:20,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:20,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:20,177 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:20,177 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:20,177 INFO L794 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 395#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 396#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 389#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 390#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 391#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 392#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 394#L22-3 assume !(sum_~i~0 < ~N~0); 385#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 386#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 382#L22-8 [2020-11-30 01:03:20,177 INFO L796 eck$LassoCheckResult]: Loop: 382#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 381#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 382#L22-8 [2020-11-30 01:03:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1898228857, now seen corresponding path program 2 times [2020-11-30 01:03:20,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:20,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248648268] [2020-11-30 01:03:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:20,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:20,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 3 times [2020-11-30 01:03:20,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:20,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18388044] [2020-11-30 01:03:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,318 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:20,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1163170153, now seen corresponding path program 1 times [2020-11-30 01:03:20,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:20,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640302037] [2020-11-30 01:03:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:20,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:20,396 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:21,647 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 184 DAG size of output: 157 [2020-11-30 01:03:22,034 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-11-30 01:03:22,040 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:03:22,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:03:22,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:03:22,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:03:22,041 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:03:22,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:22,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:03:22,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:03:22,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration4_Lasso [2020-11-30 01:03:22,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:03:22,041 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:03:22,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:22,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,257 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2020-11-30 01:03:23,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:23,970 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:03:23,971 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,360 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 [2020-11-30 01:03:24,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:24,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:24,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:24,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:24,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:24,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:24,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:24,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:24,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:24,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:24,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:24,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:24,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:24,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:25,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:25,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:25,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:25,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:25,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:25,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:25,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:25,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:25,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:25,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:25,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:25,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:25,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:25,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:25,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:25,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:25,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:25,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:25,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:25,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:25,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:25,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:25,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:25,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:25,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:25,110 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:03:25,174 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-30 01:03:25,174 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:25,179 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:25,181 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:03:25,182 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:03:25,182 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0, ~N~0) = -1*ULTIMATE.start_sum_~i~0 + 1*~N~0 Supporting invariants [] [2020-11-30 01:03:25,393 INFO L297 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2020-11-30 01:03:25,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:25,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:03:25,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:25,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:25,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:25,471 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 [2020-11-30 01:03:25,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-30 01:03:25,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 26 states and 33 transitions. Complement of second has 7 states. [2020-11-30 01:03:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:03:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:03:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2020-11-30 01:03:25,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2020-11-30 01:03:25,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:25,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2020-11-30 01:03:25,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:25,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2020-11-30 01:03:25,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:25,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2020-11-30 01:03:25,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:25,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 24 transitions. [2020-11-30 01:03:25,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-30 01:03:25,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-30 01:03:25,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2020-11-30 01:03:25,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:25,513 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-30 01:03:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2020-11-30 01:03:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-30 01:03:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-30 01:03:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-11-30 01:03:25,515 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-30 01:03:25,515 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-30 01:03:25,515 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 01:03:25,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2020-11-30 01:03:25,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:25,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:25,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:25,516 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:25,516 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:25,517 INFO L794 eck$LassoCheckResult]: Stem: 722#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 720#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 721#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 714#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 715#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 716#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 717#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 719#L22-3 assume !(sum_~i~0 < ~N~0); 710#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 711#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 725#L22-8 assume !(sum_~i~0 < ~N~0); 723#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 724#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 712#L43-3 [2020-11-30 01:03:25,517 INFO L796 eck$LassoCheckResult]: Loop: 712#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 713#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 712#L43-3 [2020-11-30 01:03:25,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:25,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1698534614, now seen corresponding path program 1 times [2020-11-30 01:03:25,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:25,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504380245] [2020-11-30 01:03:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:03:25,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504380245] [2020-11-30 01:03:25,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:25,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:03:25,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868627502] [2020-11-30 01:03:25,566 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:03:25,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:25,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 1 times [2020-11-30 01:03:25,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:25,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087581171] [2020-11-30 01:03:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:25,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:25,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:25,575 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:25,692 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-11-30 01:03:25,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:25,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:03:25,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:25,714 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-11-30 01:03:25,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:25,796 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2020-11-30 01:03:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:03:25,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2020-11-30 01:03:25,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:25,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2020-11-30 01:03:25,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-11-30 01:03:25,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-11-30 01:03:25,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2020-11-30 01:03:25,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:25,799 INFO L691 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-11-30 01:03:25,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2020-11-30 01:03:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2020-11-30 01:03:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-30 01:03:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-30 01:03:25,801 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-30 01:03:25,801 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-30 01:03:25,801 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-30 01:03:25,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-11-30 01:03:25,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:25,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:25,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:25,803 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:25,803 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:25,803 INFO L794 eck$LassoCheckResult]: Stem: 772#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 770#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 771#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 764#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 765#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 766#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 767#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 769#L22-3 assume !(sum_~i~0 < ~N~0); 760#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 761#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 775#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 756#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 757#L22-8 assume !(sum_~i~0 < ~N~0); 773#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 774#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 762#L43-3 [2020-11-30 01:03:25,803 INFO L796 eck$LassoCheckResult]: Loop: 762#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 763#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 762#L43-3 [2020-11-30 01:03:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:25,804 INFO L82 PathProgramCache]: Analyzing trace with hash 205910964, now seen corresponding path program 1 times [2020-11-30 01:03:25,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:25,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566262344] [2020-11-30 01:03:25,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:03:25,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566262344] [2020-11-30 01:03:25,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690767317] [2020-11-30 01:03:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:03:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:25,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:25,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:03:25,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:03:25,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-30 01:03:25,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792557143] [2020-11-30 01:03:25,992 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:03:25,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:25,993 INFO L82 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 2 times [2020-11-30 01:03:25,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:25,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161840224] [2020-11-30 01:03:25,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:25,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,004 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:26,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:26,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:03:26,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:26,064 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand 7 states. [2020-11-30 01:03:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:26,135 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2020-11-30 01:03:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:26,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2020-11-30 01:03:26,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:26,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 31 transitions. [2020-11-30 01:03:26,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-30 01:03:26,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-11-30 01:03:26,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2020-11-30 01:03:26,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:26,138 INFO L691 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-11-30 01:03:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2020-11-30 01:03:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2020-11-30 01:03:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-30 01:03:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-11-30 01:03:26,140 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-11-30 01:03:26,140 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-11-30 01:03:26,140 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-30 01:03:26,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2020-11-30 01:03:26,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:03:26,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:26,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:26,142 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:26,142 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:26,142 INFO L794 eck$LassoCheckResult]: Stem: 874#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 872#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 873#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 866#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 867#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 868#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 869#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 871#L22-3 assume !(sum_~i~0 < ~N~0); 862#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 863#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 877#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 858#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 859#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 878#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 879#L22-8 assume !(sum_~i~0 < ~N~0); 875#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 876#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 864#L43-3 [2020-11-30 01:03:26,142 INFO L796 eck$LassoCheckResult]: Loop: 864#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 865#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 864#L43-3 [2020-11-30 01:03:26,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:26,143 INFO L82 PathProgramCache]: Analyzing trace with hash 313660178, now seen corresponding path program 2 times [2020-11-30 01:03:26,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:26,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903982747] [2020-11-30 01:03:26,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,219 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:26,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:26,220 INFO L82 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 3 times [2020-11-30 01:03:26,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:26,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137001036] [2020-11-30 01:03:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:26,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:26,227 INFO L82 PathProgramCache]: Analyzing trace with hash 779721780, now seen corresponding path program 1 times [2020-11-30 01:03:26,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:26,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33990831] [2020-11-30 01:03:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,255 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:26,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:26,290 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:27,850 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 234 DAG size of output: 200 [2020-11-30 01:03:27,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:03:30,833 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 215 DAG size of output: 173 [2020-11-30 01:03:30,842 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:03:30,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:03:30,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:03:30,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:03:30,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:03:30,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:30,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:03:30,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:03:30,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration7_Lasso [2020-11-30 01:03:30,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:03:30,843 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:03:30,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:30,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:30,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:30,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:30,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:32,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2020-11-30 01:03:33,819 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 110 [2020-11-30 01:03:34,031 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-11-30 01:03:34,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:34,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:35,254 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-11-30 01:03:35,409 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 01:03:36,786 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-11-30 01:03:36,979 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:03:36,979 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:36,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:36,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:36,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:36,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:36,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:36,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:36,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:36,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:37,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:37,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:37,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:37,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:37,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:37,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:37,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:37,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:37,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:37,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:37,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:37,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:37,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:37,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:37,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:37,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:37,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:37,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:37,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:37,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:37,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:37,228 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-30 01:03:37,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:37,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:37,269 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:03:37,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:37,322 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:03:37,477 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-11-30 01:03:37,477 INFO L444 ModelExtractionUtils]: 33 out of 64 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:37,481 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:37,485 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:03:37,486 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:03:37,486 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ~N~0) = -1*ULTIMATE.start_main_~i~1 + 1*~N~0 Supporting invariants [] [2020-11-30 01:03:38,163 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2020-11-30 01:03:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:38,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:03:38,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:38,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:03:38,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:38,235 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 [2020-11-30 01:03:38,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-30 01:03:38,263 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 27 states and 34 transitions. Complement of second has 6 states. [2020-11-30 01:03:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:03:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:03:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-11-30 01:03:38,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 2 letters. [2020-11-30 01:03:38,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:38,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 19 letters. Loop has 2 letters. [2020-11-30 01:03:38,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:38,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 4 letters. [2020-11-30 01:03:38,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:38,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2020-11-30 01:03:38,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:03:38,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2020-11-30 01:03:38,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-11-30 01:03:38,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-30 01:03:38,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2020-11-30 01:03:38,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:38,268 INFO L691 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-30 01:03:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2020-11-30 01:03:38,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-30 01:03:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 01:03:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-30 01:03:38,271 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-30 01:03:38,271 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-30 01:03:38,271 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-30 01:03:38,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2020-11-30 01:03:38,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:03:38,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:38,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:38,273 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:38,273 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:38,273 INFO L794 eck$LassoCheckResult]: Stem: 1308#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1306#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 1307#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1300#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1301#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1302#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1303#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1305#L22-3 assume !(sum_~i~0 < ~N~0); 1295#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1296#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1311#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1291#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1292#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1312#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1313#L22-8 assume !(sum_~i~0 < ~N~0); 1309#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1310#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 1297#L43-3 assume !(main_~i~1 < ~N~0 - 1); 1293#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1294#L22-13 [2020-11-30 01:03:38,273 INFO L796 eck$LassoCheckResult]: Loop: 1294#L22-13 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1304#L22-12 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1294#L22-13 [2020-11-30 01:03:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash 779721722, now seen corresponding path program 1 times [2020-11-30 01:03:38,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516677849] [2020-11-30 01:03:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:03:38,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516677849] [2020-11-30 01:03:38,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:38,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:03:38,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184069688] [2020-11-30 01:03:38,330 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:03:38,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 1 times [2020-11-30 01:03:38,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505562488] [2020-11-30 01:03:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,337 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:38,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:38,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:03:38,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:38,379 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-11-30 01:03:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:38,413 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2020-11-30 01:03:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:03:38,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2020-11-30 01:03:38,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:03:38,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2020-11-30 01:03:38,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-30 01:03:38,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-30 01:03:38,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2020-11-30 01:03:38,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:38,416 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-30 01:03:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2020-11-30 01:03:38,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2020-11-30 01:03:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 01:03:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-11-30 01:03:38,418 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-11-30 01:03:38,418 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-11-30 01:03:38,418 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-30 01:03:38,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2020-11-30 01:03:38,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:03:38,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:03:38,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:03:38,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:38,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:03:38,420 INFO L794 eck$LassoCheckResult]: Stem: 1361#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1359#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 1360#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1354#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1355#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1356#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1357#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1367#L22-3 assume !(sum_~i~0 < ~N~0); 1349#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1350#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1364#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1345#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1346#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1365#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1366#L22-8 assume !(sum_~i~0 < ~N~0); 1362#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1363#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 1351#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 1352#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 1353#L43-3 assume !(main_~i~1 < ~N~0 - 1); 1347#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1348#L22-13 [2020-11-30 01:03:38,420 INFO L796 eck$LassoCheckResult]: Loop: 1348#L22-13 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1358#L22-12 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1348#L22-13 [2020-11-30 01:03:38,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1988322460, now seen corresponding path program 1 times [2020-11-30 01:03:38,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363902249] [2020-11-30 01:03:38,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,453 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,487 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:38,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 2 times [2020-11-30 01:03:38,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211631616] [2020-11-30 01:03:38,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:38,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,495 INFO L82 PathProgramCache]: Analyzing trace with hash -482560770, now seen corresponding path program 1 times [2020-11-30 01:03:38,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771562177] [2020-11-30 01:03:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:03:38,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:03:38,559 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:03:42,094 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 234 [2020-11-30 01:03:42,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:03:42,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:03:49,067 WARN L193 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 225 DAG size of output: 172 [2020-11-30 01:03:49,072 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:03:49,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:03:49,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:03:49,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:03:49,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:03:49,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:49,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:03:49,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:03:49,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration9_Lasso [2020-11-30 01:03:49,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:03:49,073 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:03:49,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:49,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:03:51,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2020-11-30 01:03:52,347 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 113 [2020-11-30 01:03:53,784 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2020-11-30 01:03:53,834 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 01:03:55,251 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2020-11-30 01:03:55,330 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:03:55,330 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:55,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:55,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:55,431 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 [2020-11-30 01:03:55,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:55,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,520 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 [2020-11-30 01:03:55,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:55,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:55,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:55,548 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 [2020-11-30 01:03:55,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,652 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 [2020-11-30 01:03:55,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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) [2020-11-30 01:03:55,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:03:55,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:55,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:55,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:55,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:55,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:55,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:55,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:55,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:55,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:55,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:55,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:55,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:55,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:55,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:55,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:55,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:56,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:56,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:56,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:56,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:56,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:56,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:56,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:03:56,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:56,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:56,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:56,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,291 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 [2020-11-30 01:03:56,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:56,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:56,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:56,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:56,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:56,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:56,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,360 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 [2020-11-30 01:03:56,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:03:56,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:03:56,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:03:56,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:03:56,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:03:56,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:03:56,392 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-30 01:03:56,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:03:56,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:03:56,412 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:03:56,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:03:56,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:03:56,528 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2020-11-30 01:03:56,528 INFO L444 ModelExtractionUtils]: 6 out of 40 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67dc7ce4-5828-4c0d-874b-943927134bb9/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 [2020-11-30 01:03:56,530 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:03:56,532 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-30 01:03:56,533 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:03:56,533 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0.base)_4, ULTIMATE.start_sum_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_4 - 4*ULTIMATE.start_sum_~i~0 Supporting invariants [1*ULTIMATE.start_sum_~x.offset >= 0] [2020-11-30 01:03:56,942 INFO L297 tatePredicateManager]: 56 out of 58 supporting invariants were superfluous and have been removed [2020-11-30 01:03:56,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:03:56,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:57,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 01:03:57,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:57,065 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:03:57,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:57,090 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 01:03:57,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-11-30 01:03:57,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 25 states and 29 transitions. Complement of second has 5 states. [2020-11-30 01:03:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:03:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:03:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-11-30 01:03:57,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 2 letters. [2020-11-30 01:03:57,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:57,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 23 letters. Loop has 2 letters. [2020-11-30 01:03:57,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:57,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 4 letters. [2020-11-30 01:03:57,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:03:57,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2020-11-30 01:03:57,173 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:03:57,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-30 01:03:57,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:03:57,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:03:57,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:03:57,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:03:57,173 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:03:57,173 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:03:57,174 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:03:57,174 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-30 01:03:57,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:03:57,174 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:03:57,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:03:57,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:03:57 BoogieIcfgContainer [2020-11-30 01:03:57,181 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:03:57,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:57,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:57,181 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:57,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:14" (3/4) ... [2020-11-30 01:03:57,185 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:03:57,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:57,187 INFO L168 Benchmark]: Toolchain (without parser) took 44083.46 ms. Allocated memory was 90.2 MB in the beginning and 314.6 MB in the end (delta: 224.4 MB). Free memory was 68.5 MB in the beginning and 187.0 MB in the end (delta: -118.4 MB). Peak memory consumption was 105.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:57,187 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:57,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.91 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 58.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:57,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 56.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:57,189 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 55.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:57,189 INFO L168 Benchmark]: RCFGBuilder took 726.29 ms. Allocated memory is still 90.2 MB. Free memory was 55.0 MB in the beginning and 61.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:57,190 INFO L168 Benchmark]: BuchiAutomizer took 42976.49 ms. Allocated memory was 90.2 MB in the beginning and 314.6 MB in the end (delta: 224.4 MB). Free memory was 61.2 MB in the beginning and 188.0 MB in the end (delta: -126.9 MB). Peak memory consumption was 96.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:57,190 INFO L168 Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 314.6 MB. Free memory was 188.0 MB in the beginning and 187.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:57,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.91 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 58.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 56.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 55.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 726.29 ms. Allocated memory is still 90.2 MB. Free memory was 55.0 MB in the beginning and 61.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 42976.49 ms. Allocated memory was 90.2 MB in the beginning and 314.6 MB in the end (delta: 224.4 MB). Free memory was 61.2 MB in the beginning and 188.0 MB in the end (delta: -126.9 MB). Peak memory consumption was 96.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.43 ms. Allocated memory is still 314.6 MB. Free memory was 188.0 MB in the beginning and 187.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 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 9 terminating modules (5 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 5 locations. One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[x] + -4 * i and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.9s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 41.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 98 SDslu, 41 SDs, 0 SdLazy, 181 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU5 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital531 mio100 ax100 hnf99 lsp164 ukn43 mio100 lsp124 div101 bol100 ite100 ukn100 eq158 hnf87 smp73 dnf250 smp59 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 262ms VariablesStem: 34 VariablesLoop: 16 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...