./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 61869dea11c33643d44719730b54f6ea8fd7faa2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:30:38,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:30:38,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:30:38,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:30:38,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:30:38,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:30:38,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:30:38,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:30:38,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:30:38,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:30:38,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:30:38,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:30:38,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:30:38,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:30:38,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:30:38,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:30:38,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:30:38,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:30:38,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:30:38,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:30:38,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:30:38,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:30:38,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:30:38,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:30:38,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:30:38,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:30:38,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:30:38,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:30:38,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:30:38,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:30:38,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:30:38,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:30:38,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:30:38,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:30:38,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:30:38,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:30:38,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:30:38,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:30:38,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:30:38,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:30:38,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:30:38,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:30:38,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:30:38,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:30:38,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:30:38,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:30:38,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:30:38,058 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:30:38,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:30:38,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:30:38,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:30:38,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:30:38,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:30:38,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:30:38,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:30:38,060 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:30:38,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:30:38,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:30:38,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:30:38,061 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:30:38,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:30:38,062 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61869dea11c33643d44719730b54f6ea8fd7faa2 [2019-12-07 17:30:38,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:30:38,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:30:38,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:30:38,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:30:38,183 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:30:38,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-12-07 17:30:38,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/data/a4afd9eef/8947d0deff4d4d6fb9f8ebdc114ff0be/FLAGe80242d1d [2019-12-07 17:30:38,716 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:30:38,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-12-07 17:30:38,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/data/a4afd9eef/8947d0deff4d4d6fb9f8ebdc114ff0be/FLAGe80242d1d [2019-12-07 17:30:39,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/data/a4afd9eef/8947d0deff4d4d6fb9f8ebdc114ff0be [2019-12-07 17:30:39,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:30:39,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:30:39,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:39,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:30:39,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:30:39,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f930c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39, skipping insertion in model container [2019-12-07 17:30:39,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:30:39,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:30:39,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:39,448 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:30:39,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:39,505 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:30:39,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39 WrapperNode [2019-12-07 17:30:39,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:39,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:39,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:30:39,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:30:39,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:39,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:30:39,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:30:39,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:30:39,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... [2019-12-07 17:30:39,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:30:39,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:30:39,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:30:39,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:30:39,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:30:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:30:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:30:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:30:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:30:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:30:39,755 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:30:39,755 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 17:30:39,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:39 BoogieIcfgContainer [2019-12-07 17:30:39,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:30:39,756 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:30:39,756 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:30:39,758 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:30:39,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:39,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:30:39" (1/3) ... [2019-12-07 17:30:39,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e334db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:30:39, skipping insertion in model container [2019-12-07 17:30:39,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:39,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:39" (2/3) ... [2019-12-07 17:30:39,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e334db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:30:39, skipping insertion in model container [2019-12-07 17:30:39,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:39,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:39" (3/3) ... [2019-12-07 17:30:39,761 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-1.i [2019-12-07 17:30:39,790 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:30:39,790 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:30:39,790 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:30:39,790 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:30:39,791 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:30:39,791 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:30:39,791 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:30:39,791 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:30:39,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 17:30:39,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 17:30:39,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:39,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:39,817 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:30:39,817 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:30:39,818 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:30:39,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 17:30:39,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 17:30:39,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:39,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:39,819 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:30:39,819 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:30:39,824 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 8#L565true assume !(main_~length1~0 < 1); 12#L565-2true assume !(main_~length2~0 < 1); 6#L568-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 3#L552-4true [2019-12-07 17:30:39,824 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 14#L552-1true assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 16#L555-5true assume !true; 19#L555-6true call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 5#L557true assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 20#L552-3true cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 3#L552-4true [2019-12-07 17:30:39,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:39,828 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 17:30:39,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:39,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196905490] [2019-12-07 17:30:39,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:39,937 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:39,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:39,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-12-07 17:30:39,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:39,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864296087] [2019-12-07 17:30:39,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:39,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864296087] [2019-12-07 17:30:39,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:39,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:30:39,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575251016] [2019-12-07 17:30:39,965 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:30:39,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:39,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:30:39,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:30:39,977 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-12-07 17:30:39,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:39,981 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-12-07 17:30:39,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:30:39,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-12-07 17:30:39,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 17:30:39,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-12-07 17:30:39,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 17:30:39,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 17:30:39,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-12-07 17:30:39,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:30:39,988 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 17:30:39,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-12-07 17:30:40,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 17:30:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 17:30:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-12-07 17:30:40,005 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 17:30:40,005 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 17:30:40,005 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:30:40,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-12-07 17:30:40,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 17:30:40,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:40,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:40,006 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:30:40,006 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:40,007 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 49#L565 assume !(main_~length1~0 < 1); 50#L565-2 assume !(main_~length2~0 < 1); 48#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 44#L552-4 [2019-12-07 17:30:40,007 INFO L796 eck$LassoCheckResult]: Loop: 44#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 45#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 56#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 51#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 52#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 55#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 46#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 47#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 44#L552-4 [2019-12-07 17:30:40,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:40,007 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-12-07 17:30:40,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:40,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460985364] [2019-12-07 17:30:40,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,034 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:40,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:40,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-12-07 17:30:40,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:40,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623556137] [2019-12-07 17:30:40,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,057 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:40,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-12-07 17:30:40,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:40,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861540737] [2019-12-07 17:30:40,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:40,108 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:40,227 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-12-07 17:30:40,397 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-07 17:30:40,614 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2019-12-07 17:30:40,698 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:30:40,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:30:40,699 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:30:40,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:30:40,699 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:30:40,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:40,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:30:40,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:30:40,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration2_Lasso [2019-12-07 17:30:40,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:30:40,700 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:30:40,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:40,977 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-07 17:30:41,105 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-12-07 17:30:41,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:41,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:41,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:41,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:41,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:41,470 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:30:41,473 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,495 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 [2019-12-07 17:30:41,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:41,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:41,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:41,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:41,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:41,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:41,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:41,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:41,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:41,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:41,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:41,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:41,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:41,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:41,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:41,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:41,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:30:41,658 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 17:30:41,658 INFO L444 ModelExtractionUtils]: 19 out of 28 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:41,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:30:41,665 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:30:41,665 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:30:41,665 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1 Supporting invariants [] [2019-12-07 17:30:41,698 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 17:30:41,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:30:41,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:41,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:30:41,742 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:41,755 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:30:41,756 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:41,772 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:30:41,772 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 17:30:41,820 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-12-07 17:30:41,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:30:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:30:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-12-07 17:30:41,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-12-07 17:30:41,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:41,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-12-07 17:30:41,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:41,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-12-07 17:30:41,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:41,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-12-07 17:30:41,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:41,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-12-07 17:30:41,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 17:30:41,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 17:30:41,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-12-07 17:30:41,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:30:41,825 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 17:30:41,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-12-07 17:30:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 17:30:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 17:30:41,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-12-07 17:30:41,827 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 17:30:41,827 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 17:30:41,827 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:30:41,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-12-07 17:30:41,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:41,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:41,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:41,828 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:41,828 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:30:41,828 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 185#L565 assume !(main_~length1~0 < 1); 186#L565-2 assume !(main_~length2~0 < 1); 184#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 178#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 180#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 193#L555-5 [2019-12-07 17:30:41,828 INFO L796 eck$LassoCheckResult]: Loop: 193#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 187#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 188#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 193#L555-5 [2019-12-07 17:30:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:41,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-12-07 17:30:41,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:41,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766266781] [2019-12-07 17:30:41,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:41,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:41,853 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-12-07 17:30:41,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:41,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81226587] [2019-12-07 17:30:41,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,861 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:41,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:41,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-12-07 17:30:41,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:41,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189342274] [2019-12-07 17:30:41,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:41,893 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:42,271 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2019-12-07 17:30:42,367 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:30:42,367 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:30:42,367 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:30:42,367 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:30:42,367 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:30:42,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:42,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:30:42,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:30:42,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration3_Lasso [2019-12-07 17:30:42,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:30:42,367 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:30:42,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,710 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-12-07 17:30:42,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:42,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:43,214 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-12-07 17:30:43,224 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:30:43,225 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,261 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 [2019-12-07 17:30:43,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,307 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 [2019-12-07 17:30:43,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:43,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:43,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:43,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:43,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:43,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:43,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:43,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:43,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:43,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:43,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:30:43,452 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 17:30:43,452 INFO L444 ModelExtractionUtils]: 9 out of 43 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,455 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:30:43,457 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:30:43,457 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:30:43,457 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-12-07 17:30:43,500 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2019-12-07 17:30:43,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:30:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:43,519 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:30:43,520 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:43,525 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 17:30:43,526 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:43,533 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:30:43,533 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-12-07 17:30:43,549 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 57 transitions. Complement of second has 5 states. [2019-12-07 17:30:43,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:30:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:30:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-12-07 17:30:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 17:30:43,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-12-07 17:30:43,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-12-07 17:30:43,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:43,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-12-07 17:30:43,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:43,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-12-07 17:30:43,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 17:30:43,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 17:30:43,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-12-07 17:30:43,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:30:43,553 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-12-07 17:30:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-12-07 17:30:43,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-12-07 17:30:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 17:30:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-12-07 17:30:43,556 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-12-07 17:30:43,556 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-12-07 17:30:43,556 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:30:43,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-12-07 17:30:43,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:43,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:43,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:43,557 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:43,558 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:30:43,558 INFO L794 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 364#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 358#L565 assume !(main_~length1~0 < 1); 359#L565-2 assume !(main_~length2~0 < 1); 357#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 350#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 351#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 367#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 372#L555-1 assume !cstrpbrk_#t~short7; 371#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 370#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 355#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 356#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 352#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 354#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 366#L555-5 [2019-12-07 17:30:43,558 INFO L796 eck$LassoCheckResult]: Loop: 366#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 360#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 361#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 366#L555-5 [2019-12-07 17:30:43,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-12-07 17:30:43,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119538361] [2019-12-07 17:30:43,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:43,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119538361] [2019-12-07 17:30:43,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:43,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 17:30:43,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173280663] [2019-12-07 17:30:43,604 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:30:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-12-07 17:30:43,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8302338] [2019-12-07 17:30:43,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:30:43,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:30:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:30:43,715 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 17:30:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:43,769 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-12-07 17:30:43,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:30:43,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-12-07 17:30:43,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 17:30:43,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-12-07 17:30:43,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 17:30:43,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 17:30:43,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-12-07 17:30:43,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:30:43,771 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-12-07 17:30:43,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-12-07 17:30:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-12-07 17:30:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 17:30:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-12-07 17:30:43,773 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 17:30:43,773 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 17:30:43,773 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 17:30:43,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-12-07 17:30:43,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:43,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:43,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:43,774 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:43,774 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:30:43,774 INFO L794 eck$LassoCheckResult]: Stem: 437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 436#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 430#L565 assume !(main_~length1~0 < 1); 431#L565-2 assume !(main_~length2~0 < 1); 429#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 422#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 423#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 439#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 440#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 442#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 441#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 427#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 428#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 424#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 426#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 438#L555-5 [2019-12-07 17:30:43,774 INFO L796 eck$LassoCheckResult]: Loop: 438#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 432#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 433#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 438#L555-5 [2019-12-07 17:30:43,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,774 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-12-07 17:30:43,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305644087] [2019-12-07 17:30:43,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,800 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-12-07 17:30:43,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692396633] [2019-12-07 17:30:43,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,807 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-12-07 17:30:43,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419690042] [2019-12-07 17:30:43,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,834 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:44,418 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-12-07 17:30:45,324 WARN L192 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-12-07 17:30:45,326 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:30:45,327 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:30:45,327 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:30:45,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:30:45,327 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:30:45,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:45,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:30:45,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:30:45,327 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration5_Lasso [2019-12-07 17:30:45,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:30:45,327 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:30:45,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:45,517 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 17:30:46,131 WARN L192 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-12-07 17:30:46,266 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-12-07 17:30:46,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:30:46,966 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-12-07 17:30:47,084 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-12-07 17:30:47,102 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:30:47,102 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:47,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:47,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:47,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:30:47,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,214 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 [2019-12-07 17:30:47,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:47,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:47,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:47,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:47,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:47,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:47,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:30:47,248 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 17:30:47,248 INFO L444 ModelExtractionUtils]: 32 out of 49 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e07b807-b0f3-4047-ab0f-f807e83d21ce/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:47,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:30:47,254 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:30:47,254 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:30:47,254 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-12-07 17:30:47,334 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2019-12-07 17:30:47,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:30:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,364 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,378 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:47,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:30:47,389 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 17:30:47,418 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-12-07 17:30:47,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:30:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:30:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 17:30:47,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 17:30:47,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:47,419 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:30:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,447 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,448 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,460 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:47,469 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:30:47,470 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 17:30:47,495 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-12-07 17:30:47,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:30:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:30:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 17:30:47,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 17:30:47,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:47,497 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:30:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,525 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:47,537 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:30:47,538 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:30:47,548 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:30:47,548 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 17:30:47,577 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 53 transitions. Complement of second has 5 states. [2019-12-07 17:30:47,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:30:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:30:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-12-07 17:30:47,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 17:30:47,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:47,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-12-07 17:30:47,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:47,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-12-07 17:30:47,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:47,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-12-07 17:30:47,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:30:47,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-12-07 17:30:47,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:30:47,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:30:47,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:30:47,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:30:47,581 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:47,581 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:47,581 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:47,581 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 17:30:47,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:30:47,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:30:47,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:30:47,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:30:47 BoogieIcfgContainer [2019-12-07 17:30:47,586 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:30:47,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:30:47,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:30:47,586 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:30:47,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:39" (3/4) ... [2019-12-07 17:30:47,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:30:47,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:30:47,589 INFO L168 Benchmark]: Toolchain (without parser) took 8382.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 935.2 MB in the beginning and 845.1 MB in the end (delta: 90.2 MB). Peak memory consumption was 309.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,590 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:30:47,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,591 INFO L168 Benchmark]: Boogie Preprocessor took 18.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,591 INFO L168 Benchmark]: RCFGBuilder took 202.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,591 INFO L168 Benchmark]: BuchiAutomizer took 7829.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 107.5 MB). Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 333.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:47,591 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.2 GB. Free memory is still 845.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:30:47,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7829.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 107.5 MB). Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 333.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.2 GB. Free memory is still 845.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 121 SDslu, 67 SDs, 0 SdLazy, 101 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital366 mio100 ax105 hnf99 lsp87 ukn71 mio100 lsp31 div133 bol100 ite100 ukn100 eq165 hnf77 smp91 dnf725 smp23 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...