./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 c9cfd4c0ab406cfeab77b774b2e25db3fba848a9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:40:04,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:40:04,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:40:04,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:40:04,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:40:04,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:40:04,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:40:04,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:40:04,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:40:04,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:40:04,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:40:04,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:40:04,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:40:04,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:40:04,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:40:04,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:40:04,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:40:04,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:40:04,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:40:04,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:40:04,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:40:04,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:40:04,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:40:04,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:40:04,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:40:04,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:40:04,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:40:04,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:40:04,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:40:04,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:40:04,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:40:04,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:40:04,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:40:04,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:40:04,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:40:04,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:40:04,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:40:04,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:40:04,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:40:04,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:40:04,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:40:04,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 03:40:04,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:40:04,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:40:04,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:40:04,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:40:04,160 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:40:04,161 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:40:04,161 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:40:04,161 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:40:04,161 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:40:04,161 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:40:04,162 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:40:04,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:40:04,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:40:04,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:40:04,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:40:04,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:40:04,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:40:04,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:40:04,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:40:04,164 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:40:04,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:40:04,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:40:04,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:40:04,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:40:04,165 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:40:04,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:40:04,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:40:04,166 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:40:04,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:40:04,167 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_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 -> c9cfd4c0ab406cfeab77b774b2e25db3fba848a9 [2019-11-20 03:40:04,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:40:04,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:40:04,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:40:04,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:40:04,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:40:04,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i [2019-11-20 03:40:04,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/data/d9c60f265/e49255e64085435a94dca01dac5f916d/FLAG93e99038e [2019-11-20 03:40:05,046 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:40:05,048 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i [2019-11-20 03:40:05,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/data/d9c60f265/e49255e64085435a94dca01dac5f916d/FLAG93e99038e [2019-11-20 03:40:05,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/data/d9c60f265/e49255e64085435a94dca01dac5f916d [2019-11-20 03:40:05,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:40:05,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:40:05,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:40:05,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:40:05,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:40:05,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:40:05" (1/1) ... [2019-11-20 03:40:05,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66eeddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:05, skipping insertion in model container [2019-11-20 03:40:05,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:40:05" (1/1) ... [2019-11-20 03:40:05,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:40:05,344 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:40:05,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:40:05,976 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:40:06,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:40:06,136 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:40:06,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06 WrapperNode [2019-11-20 03:40:06,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:40:06,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:40:06,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:40:06,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:40:06,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:40:06,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:40:06,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:40:06,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:40:06,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... [2019-11-20 03:40:06,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:40:06,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:40:06,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:40:06,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:40:06,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:40:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:40:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:40:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:40:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:40:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:40:06,636 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:40:06,637 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 03:40:06,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:40:06 BoogieIcfgContainer [2019-11-20 03:40:06,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:40:06,639 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:40:06,639 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:40:06,643 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:40:06,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:06,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:40:05" (1/3) ... [2019-11-20 03:40:06,646 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@538a3d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:40:06, skipping insertion in model container [2019-11-20 03:40:06,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:06,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:06" (2/3) ... [2019-11-20 03:40:06,647 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@538a3d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:40:06, skipping insertion in model container [2019-11-20 03:40:06,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:06,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:40:06" (3/3) ... [2019-11-20 03:40:06,649 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_mixed_alloca.i [2019-11-20 03:40:06,730 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:40:06,730 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:40:06,730 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:40:06,731 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:40:06,731 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:40:06,731 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:40:06,731 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:40:06,746 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:40:06,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 03:40:06,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 03:40:06,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:06,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:06,816 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:40:06,816 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:40:06,816 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:40:06,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 03:40:06,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 03:40:06,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:06,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:06,818 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:40:06,818 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:40:06,825 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.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~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 12#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 9#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.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, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 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~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, 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; 6#L369-4true [2019-11-20 03:40:06,826 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 18#L369-1true assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 8#L374true assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 5#L369-3true cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 6#L369-4true [2019-11-20 03:40:06,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:06,834 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 03:40:06,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:06,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631180932] [2019-11-20 03:40:06,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:07,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:07,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-20 03:40:07,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:07,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438972262] [2019-11-20 03:40:07,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:07,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438972262] [2019-11-20 03:40:07,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:40:07,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:40:07,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668902199] [2019-11-20 03:40:07,080 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:40:07,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:40:07,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:40:07,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:40:07,099 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-20 03:40:07,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:40:07,107 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-20 03:40:07,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:40:07,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-20 03:40:07,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 03:40:07,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-20 03:40:07,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 03:40:07,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 03:40:07,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 03:40:07,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:40:07,120 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 03:40:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 03:40:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 03:40:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 03:40:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-20 03:40:07,153 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 03:40:07,154 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 03:40:07,154 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:40:07,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-20 03:40:07,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 03:40:07,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:07,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:07,156 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:40:07,156 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:07,157 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.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~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 51#L382 assume !(main_~length1~0 < 1); 52#L382-2 assume !(main_~length2~0 < 1); 49#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.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, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 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~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, 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; 47#L369-4 [2019-11-20 03:40:07,157 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 48#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 56#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 53#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 54#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209; 44#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 45#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 46#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 47#L369-4 [2019-11-20 03:40:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:07,158 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-20 03:40:07,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:07,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610147448] [2019-11-20 03:40:07,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,241 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:07,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:07,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-20 03:40:07,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:07,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610480609] [2019-11-20 03:40:07,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,302 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:07,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:07,308 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-20 03:40:07,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:07,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469637666] [2019-11-20 03:40:07,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:07,434 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:07,749 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-20 03:40:08,170 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-20 03:40:08,669 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2019-11-20 03:40:08,884 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-20 03:40:08,899 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:08,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:08,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:08,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:08,907 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:08,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:08,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:08,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:08,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration2_Lasso [2019-11-20 03:40:08,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:08,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:08,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:08,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,439 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-20 03:40:09,739 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-20 03:40:09,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:09,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:10,467 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2019-11-20 03:40:10,620 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:40:10,626 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:10,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:10,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:10,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:10,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:10,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:10,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:10,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:10,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:10,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:10,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:10,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:10,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:10,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:10,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:10,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:10,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:10,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:10,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:10,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:10,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:10,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:10,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:10,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:10,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:10,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:10,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:10,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:40:10,926 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2019-11-20 03:40:10,926 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 21 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:11,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:40:11,050 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 03:40:11,050 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:40:11,051 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset, ULTIMATE.start_main_~length1~0) = -1*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1*ULTIMATE.start_main_~length1~0 Supporting invariants [1*ULTIMATE.start_main_~length1~0 - 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~sc1~0.base)_1 >= 0] [2019-11-20 03:40:11,108 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 03:40:11,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:11,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 03:40:11,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:11,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:40:11,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:11,279 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:40:11,280 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 03:40:11,381 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. [2019-11-20 03:40:11,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:40:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-20 03:40:11,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-20 03:40:11,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:11,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-20 03:40:11,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:11,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-20 03:40:11,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:11,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 03:40:11,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 03:40:11,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-20 03:40:11,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 03:40:11,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 03:40:11,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-20 03:40:11,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:40:11,392 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 03:40:11,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-20 03:40:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 03:40:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 03:40:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-20 03:40:11,398 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 03:40:11,398 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 03:40:11,398 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:40:11,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-20 03:40:11,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 03:40:11,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:11,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:11,415 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:11,415 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 03:40:11,417 INFO L794 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.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~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 187#L382 assume !(main_~length1~0 < 1); 188#L382-2 assume !(main_~length2~0 < 1); 185#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.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, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 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~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, 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; 182#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 184#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 194#L372-5 [2019-11-20 03:40:11,417 INFO L796 eck$LassoCheckResult]: Loop: 194#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 189#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 190#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 194#L372-5 [2019-11-20 03:40:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-20 03:40:11,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:11,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074516044] [2019-11-20 03:40:11,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,480 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:11,481 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-20 03:40:11,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:11,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031572677] [2019-11-20 03:40:11,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,496 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:11,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:11,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-20 03:40:11,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:11,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304979364] [2019-11-20 03:40:11,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:11,589 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:11,698 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-11-20 03:40:11,853 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-20 03:40:12,463 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-11-20 03:40:12,668 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-11-20 03:40:12,673 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:12,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:12,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:12,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:12,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:12,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:12,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:12,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:12,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration3_Lasso [2019-11-20 03:40:12,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:12,674 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:12,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:12,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:13,142 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-11-20 03:40:13,273 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-20 03:40:13,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:13,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:13,499 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-11-20 03:40:14,116 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-20 03:40:14,232 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:40:14,233 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,242 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 [2019-11-20 03:40:14,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,267 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 [2019-11-20 03:40:14,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:14,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:14,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:14,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:14,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:14,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:14,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:14,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:14,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:14,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:14,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:14,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:14,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:14,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:14,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:14,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:14,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:14,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:14,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:14,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:40:14,767 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 03:40:14,767 INFO L444 ModelExtractionUtils]: 22 out of 52 variables were initially zero. Simplification set additionally 27 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:14,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:14,777 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:40:14,777 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:40:14,777 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 + 2*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-11-20 03:40:14,864 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 03:40:14,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:40:14,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:14,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:40:14,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:14,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 03:40:14,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:14,972 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 03:40:14,972 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-20 03:40:15,030 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 57 transitions. Complement of second has 6 states. [2019-11-20 03:40:15,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:40:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 03:40:15,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 03:40:15,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:15,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-20 03:40:15,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:15,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-20 03:40:15,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:15,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-20 03:40:15,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 03:40:15,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-20 03:40:15,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 03:40:15,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:40:15,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-20 03:40:15,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:40:15,038 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 03:40:15,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-20 03:40:15,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-20 03:40:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 03:40:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-20 03:40:15,042 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 03:40:15,042 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 03:40:15,042 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:40:15,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-20 03:40:15,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 03:40:15,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:15,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:15,043 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:15,044 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 03:40:15,044 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 371#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.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~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 372#L382 assume !(main_~length1~0 < 1); 373#L382-2 assume !(main_~length2~0 < 1); 370#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.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, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 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~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, 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; 366#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 367#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 380#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 376#L372-1 assume !cstrpbrk_#t~short210; 377#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209; 362#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 363#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 364#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 365#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 369#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 379#L372-5 [2019-11-20 03:40:15,044 INFO L796 eck$LassoCheckResult]: Loop: 379#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 374#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 375#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 379#L372-5 [2019-11-20 03:40:15,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:15,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-20 03:40:15,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:15,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274505534] [2019-11-20 03:40:15,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:15,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274505534] [2019-11-20 03:40:15,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:40:15,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 03:40:15,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798550385] [2019-11-20 03:40:15,147 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:40:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:15,147 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-20 03:40:15,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:15,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670701638] [2019-11-20 03:40:15,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:15,393 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-20 03:40:15,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:40:15,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 03:40:15,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 03:40:15,395 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 03:40:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:40:15,481 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-20 03:40:15,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:40:15,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-20 03:40:15,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 03:40:15,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-20 03:40:15,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 03:40:15,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:40:15,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-20 03:40:15,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:40:15,484 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 03:40:15,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-20 03:40:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-20 03:40:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:40:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 03:40:15,488 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 03:40:15,488 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 03:40:15,488 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:40:15,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-20 03:40:15,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 03:40:15,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:15,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:15,490 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:15,490 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 03:40:15,491 INFO L794 eck$LassoCheckResult]: Stem: 446#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 443#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.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~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 444#L382 assume !(main_~length1~0 < 1); 445#L382-2 assume !(main_~length2~0 < 1); 442#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.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, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 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~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, 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; 438#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 439#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 452#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 456#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 455#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209; 434#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 435#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 436#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 437#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 441#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 451#L372-5 [2019-11-20 03:40:15,491 INFO L796 eck$LassoCheckResult]: Loop: 451#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 447#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 448#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 451#L372-5 [2019-11-20 03:40:15,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:15,491 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-20 03:40:15,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:15,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100368893] [2019-11-20 03:40:15,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,546 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:15,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:15,547 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-20 03:40:15,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:15,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792769122] [2019-11-20 03:40:15,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,558 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:15,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:15,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-20 03:40:15,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:15,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760669155] [2019-11-20 03:40:15,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:15,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:16,599 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 136 [2019-11-20 03:40:17,798 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-11-20 03:40:17,802 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:17,802 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:17,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:17,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:17,802 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:17,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:17,803 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:17,803 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:17,803 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration5_Lasso [2019-11-20 03:40:17,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:17,803 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:17,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:17,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:18,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-20 03:40:18,892 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-11-20 03:40:19,050 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-11-20 03:40:19,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:19,443 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-20 03:40:20,082 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-11-20 03:40:20,279 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-20 03:40:20,290 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:40:20,290 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:20,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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) [2019-11-20 03:40:20,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:20,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:20,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:20,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:20,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:20,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:20,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:20,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:20,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/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 [2019-11-20 03:40:20,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:20,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:20,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:20,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:20,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:20,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:20,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:20,489 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:40:20,566 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2019-11-20 03:40:20,566 INFO L444 ModelExtractionUtils]: 9 out of 49 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ca1b4e-f5fc-45dd-b61b-7e5301964513/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:20,570 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:40:20,572 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:40:20,572 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:40:20,572 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3 + 2*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-11-20 03:40:20,676 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 03:40:20,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:40:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:20,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:40:20,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:20,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 03:40:20,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:20,775 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 03:40:20,776 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 03:40:20,823 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. [2019-11-20 03:40:20,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:40:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 03:40:20,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 03:40:20,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:20,828 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:40:20,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:20,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:40:20,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:20,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 03:40:20,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:20,919 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 [2019-11-20 03:40:20,919 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 03:40:20,966 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. [2019-11-20 03:40:20,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:40:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 03:40:20,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 03:40:20,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:20,967 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:40:20,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:21,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:40:21,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:21,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 03:40:21,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:21,062 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 [2019-11-20 03:40:21,062 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 03:40:21,108 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. [2019-11-20 03:40:21,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:40:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-20 03:40:21,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 03:40:21,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:21,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-20 03:40:21,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:21,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-20 03:40:21,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:21,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-20 03:40:21,114 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:40:21,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-20 03:40:21,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:40:21,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:40:21,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:40:21,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:40:21,115 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:40:21,115 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:40:21,116 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:40:21,116 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 03:40:21,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:40:21,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:40:21,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:40:21,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:40:21 BoogieIcfgContainer [2019-11-20 03:40:21,123 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:40:21,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:40:21,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:40:21,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:40:21,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:40:06" (3/4) ... [2019-11-20 03:40:21,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:40:21,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:40:21,130 INFO L168 Benchmark]: Toolchain (without parser) took 15858.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 940.7 MB in the beginning and 840.8 MB in the end (delta: 99.9 MB). Peak memory consumption was 312.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:40:21,131 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:40:21,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:40:21,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:40:21,132 INFO L168 Benchmark]: Boogie Preprocessor took 42.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:40:21,133 INFO L168 Benchmark]: RCFGBuilder took 397.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:40:21,133 INFO L168 Benchmark]: BuchiAutomizer took 14484.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 840.8 MB in the end (delta: 236.3 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:40:21,134 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 1.2 GB. Free memory is still 840.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:40:21,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 864.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 397.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14484.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 840.8 MB in the end (delta: 236.3 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.13 ms. Allocated memory is still 1.2 GB. Free memory is still 840.8 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 * 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 + length1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * 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 14.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. 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: 105 SDtfs, 122 SDslu, 72 SDs, 0 SdLazy, 103 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital378 mio100 ax100 hnf99 lsp91 ukn74 mio100 lsp39 div114 bol100 ite100 ukn100 eq176 hnf83 smp90 dnf585 smp27 tf100 neg96 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...