./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_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_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 8a2bee874d696cf0b3efef86c5a2ac3b6d5e9dca ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:39:01,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:39:01,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:39:01,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:39:01,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:39:01,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:39:01,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:39:01,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:39:01,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:39:01,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:39:01,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:39:01,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:39:01,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:39:01,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:39:01,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:39:01,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:39:01,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:39:01,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:39:01,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:39:01,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:39:01,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:39:01,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:39:01,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:39:01,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:39:01,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:39:01,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:39:01,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:39:01,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:39:01,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:39:01,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:39:01,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:39:01,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:39:01,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:39:01,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:39:01,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:39:01,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:39:01,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:39:01,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:39:01,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:39:01,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:39:01,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:39:01,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 01:39:01,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:39:01,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:39:01,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:39:01,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:39:01,500 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:39:01,500 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:39:01,501 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:39:01,501 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:39:01,501 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:39:01,501 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:39:01,502 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:39:01,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:39:01,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:39:01,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:39:01,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:39:01,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:39:01,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:39:01,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:39:01,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:39:01,504 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:39:01,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:39:01,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:39:01,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:39:01,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:39:01,506 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:39:01,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:39:01,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:39:01,506 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:39:01,507 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:39:01,508 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_b34ed648-5eba-4140-9435-f2cc43668c83/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 -> 8a2bee874d696cf0b3efef86c5a2ac3b6d5e9dca [2019-11-20 01:39:01,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:39:01,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:39:01,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:39:01,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:39:01,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:39:01,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2019-11-20 01:39:01,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/data/d43f6b04a/0a3d47b2572445c48bc0af329f3e0720/FLAG91b536aeb [2019-11-20 01:39:02,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:39:02,203 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2019-11-20 01:39:02,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/data/d43f6b04a/0a3d47b2572445c48bc0af329f3e0720/FLAG91b536aeb [2019-11-20 01:39:02,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/data/d43f6b04a/0a3d47b2572445c48bc0af329f3e0720 [2019-11-20 01:39:02,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:39:02,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:39:02,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:39:02,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:39:02,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:39:02,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:39:02" (1/1) ... [2019-11-20 01:39:02,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e54761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:02, skipping insertion in model container [2019-11-20 01:39:02,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:39:02" (1/1) ... [2019-11-20 01:39:02,536 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:39:02,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:39:03,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:39:03,119 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:39:03,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:39:03,276 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:39:03,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03 WrapperNode [2019-11-20 01:39:03,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:39:03,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:39:03,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:39:03,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:39:03,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:39:03,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:39:03,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:39:03,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:39:03,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... [2019-11-20 01:39:03,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:39:03,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:39:03,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:39:03,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:39:03,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:39:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:39:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:39:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:39:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:39:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:39:04,050 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:39:04,050 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 01:39:04,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:04 BoogieIcfgContainer [2019-11-20 01:39:04,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:39:04,052 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:39:04,052 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:39:04,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:39:04,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:39:04,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:39:02" (1/3) ... [2019-11-20 01:39:04,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55481865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:39:04, skipping insertion in model container [2019-11-20 01:39:04,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:39:04,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:03" (2/3) ... [2019-11-20 01:39:04,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55481865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:39:04, skipping insertion in model container [2019-11-20 01:39:04,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:39:04,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:04" (3/3) ... [2019-11-20 01:39:04,062 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrspn_diffterm_alloca.i [2019-11-20 01:39:04,115 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:39:04,115 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:39:04,115 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:39:04,115 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:39:04,116 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:39:04,116 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:39:04,116 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:39:04,116 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:39:04,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 01:39:04,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 01:39:04,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:04,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:04,167 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 01:39:04,167 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:39:04,168 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:39:04,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 01:39:04,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 01:39:04,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:04,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:04,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 01:39:04,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:39:04,178 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#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, 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; 11#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(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 6#L369-4true [2019-11-20 01:39:04,179 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 18#L369-1true assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 8#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 5#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 6#L369-4true [2019-11-20 01:39:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:04,186 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 01:39:04,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:04,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624106562] [2019-11-20 01:39:04,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:04,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:04,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-20 01:39:04,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:04,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159311955] [2019-11-20 01:39:04,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:04,431 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 01:39:04,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159311955] [2019-11-20 01:39:04,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:39:04,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:39:04,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175958403] [2019-11-20 01:39:04,440 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:39:04,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:39:04,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:39:04,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:39:04,458 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-20 01:39:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:39:04,465 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-20 01:39:04,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:39:04,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-20 01:39:04,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 01:39:04,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-20 01:39:04,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 01:39:04,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 01:39:04,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 01:39:04,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:39:04,477 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 01:39:04,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 01:39:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 01:39:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 01:39:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-20 01:39:04,501 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 01:39:04,501 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 01:39:04,502 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:39:04,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-20 01:39:04,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 01:39:04,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:04,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:04,503 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 01:39:04,504 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:39:04,504 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, 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(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2019-11-20 01:39:04,504 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 48#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 56#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 53#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208; 44#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 45#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 46#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2019-11-20 01:39:04,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:04,505 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-20 01:39:04,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:04,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056617752] [2019-11-20 01:39:04,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,549 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:04,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:04,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-20 01:39:04,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:04,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9090623] [2019-11-20 01:39:04,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-20 01:39:04,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:04,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754939472] [2019-11-20 01:39:04,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:04,691 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:04,981 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-20 01:39:05,307 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-11-20 01:39:05,839 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-11-20 01:39:06,056 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-20 01:39:06,074 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:39:06,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:39:06,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:39:06,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:39:06,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:39:06,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:06,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:39:06,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:39:06,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration2_Lasso [2019-11-20 01:39:06,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:39:06,084 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:39:06,128 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 01:39:06,135 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 01:39:06,140 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 01:39:06,145 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 01:39:06,149 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 01:39:06,153 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 01:39:06,160 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 01:39:06,165 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 01:39:06,172 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 01:39:06,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:06,187 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 01:39:06,190 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 01:39:06,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:06,197 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 01:39:06,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:06,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:06,212 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 01:39:06,662 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-11-20 01:39:06,950 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-20 01:39:06,951 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 01:39:07,752 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-11-20 01:39:07,775 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:39:07,782 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:07,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,806 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 01:39:07,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:07,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:07,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:07,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:07,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:07,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:07,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:07,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:07,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:07,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:07,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:07,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:07,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:07,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:07,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:07,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:07,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:07,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:07,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:07,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:07,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:07,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:07,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:07,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:07,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:07,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:08,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:08,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:08,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:08,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:08,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:08,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:08,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:08,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:08,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:08,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:08,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:08,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:08,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:08,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:08,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:08,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:08,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:39:08,354 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 01:39:08,354 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:08,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:08,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 01:39:08,379 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:39:08,380 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0.base)_1, ULTIMATE.start_cstrspn_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0.offset Supporting invariants [] [2019-11-20 01:39:08,464 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 01:39:08,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 01:39:08,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:08,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:39:08,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:08,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 01:39:08,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:08,596 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 01:39:08,600 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 01:39:08,601 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 01:39:08,670 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 01:39:08,674 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 01:39:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 01:39:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-20 01:39:08,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-20 01:39:08,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:08,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-20 01:39:08,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:08,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-20 01:39:08,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:08,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 01:39:08,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 01:39:08,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-20 01:39:08,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 01:39:08,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 01:39:08,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-20 01:39:08,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 01:39:08,683 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 01:39:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-20 01:39:08,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 01:39:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 01:39:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-20 01:39:08,686 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 01:39:08,686 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 01:39:08,686 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:39:08,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-20 01:39:08,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 01:39:08,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:08,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:08,688 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:39:08,688 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 01:39:08,689 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#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, 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; 182#L382 assume !(main_~length1~0 < 1); 183#L382-2 assume !(main_~length2~0 < 1); 180#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(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 177#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 179#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 189#L372-5 [2019-11-20 01:39:08,689 INFO L796 eck$LassoCheckResult]: Loop: 189#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 184#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 185#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 189#L372-5 [2019-11-20 01:39:08,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:08,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-20 01:39:08,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:08,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258918242] [2019-11-20 01:39:08,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,736 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:08,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:08,737 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-20 01:39:08,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:08,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352682113] [2019-11-20 01:39:08,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:08,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-20 01:39:08,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:08,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005376852] [2019-11-20 01:39:08,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:08,850 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:09,109 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-20 01:39:09,722 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2019-11-20 01:39:09,951 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-20 01:39:09,953 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:39:09,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:39:09,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:39:09,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:39:09,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:39:09,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:09,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:39:09,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:39:09,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration3_Lasso [2019-11-20 01:39:09,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:39:09,955 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:39:09,961 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 01:39:09,967 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 01:39:09,970 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 01:39:09,972 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 01:39:09,976 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 01:39:09,979 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 01:39:09,982 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 01:39:09,986 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 01:39:09,989 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 01:39:09,991 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 01:39:09,994 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 01:39:09,996 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 01:39:09,999 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 01:39:10,002 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 01:39:10,004 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 01:39:10,007 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 01:39:10,459 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-11-20 01:39:10,626 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-11-20 01:39:10,627 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 01:39:10,629 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 01:39:11,401 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-11-20 01:39:11,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:39:11,451 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,498 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 01:39:11,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,542 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 01:39:11,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,569 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 01:39:11,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:11,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:11,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:11,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:11,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:11,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:11,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:11,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:11,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:11,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:11,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:11,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:11,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:11,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:39:11,798 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 01:39:11,798 INFO L444 ModelExtractionUtils]: 36 out of 46 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:11,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:39:11,806 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 01:39:11,806 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:39:11,806 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 - 1*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2019-11-20 01:39:11,861 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-11-20 01:39:11,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 01:39:11,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:11,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 01:39:11,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:11,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:39:11,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:11,970 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 01:39:11,970 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 01:39:11,970 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-20 01:39:12,013 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 01:39:12,015 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 01:39:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:39:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 01:39:12,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 01:39:12,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:12,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-20 01:39:12,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:12,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-20 01:39:12,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:12,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-20 01:39:12,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 01:39:12,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-20 01:39:12,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 01:39:12,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 01:39:12,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-20 01:39:12,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 01:39:12,020 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 01:39:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-20 01:39:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-20 01:39:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 01:39:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-20 01:39:12,023 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 01:39:12,023 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 01:39:12,023 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 01:39:12,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-20 01:39:12,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 01:39:12,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:12,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:12,025 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:39:12,025 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 01:39:12,025 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 362#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, 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; 363#L382 assume !(main_~length1~0 < 1); 364#L382-2 assume !(main_~length2~0 < 1); 361#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(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 357#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 358#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 371#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 367#L372-1 assume !cstrspn_#t~short210; 368#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208; 353#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 354#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 355#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 356#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 360#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 370#L372-5 [2019-11-20 01:39:12,025 INFO L796 eck$LassoCheckResult]: Loop: 370#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 365#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 366#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 370#L372-5 [2019-11-20 01:39:12,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:12,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-20 01:39:12,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:12,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270465224] [2019-11-20 01:39:12,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:12,098 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 01:39:12,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270465224] [2019-11-20 01:39:12,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:39:12,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 01:39:12,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492262225] [2019-11-20 01:39:12,099 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 01:39:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:12,099 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-20 01:39:12,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:12,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848789022] [2019-11-20 01:39:12,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:12,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:39:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 01:39:12,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:39:12,295 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 01:39:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:39:12,373 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-20 01:39:12,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 01:39:12,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-20 01:39:12,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 01:39:12,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-20 01:39:12,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 01:39:12,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 01:39:12,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-20 01:39:12,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 01:39:12,376 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 01:39:12,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-20 01:39:12,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-20 01:39:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 01:39:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 01:39:12,379 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 01:39:12,379 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 01:39:12,379 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 01:39:12,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-20 01:39:12,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 01:39:12,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:39:12,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:39:12,381 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:39:12,381 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 01:39:12,381 INFO L794 eck$LassoCheckResult]: Stem: 437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 434#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, 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; 435#L382 assume !(main_~length1~0 < 1); 436#L382-2 assume !(main_~length2~0 < 1); 433#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(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 429#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 430#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 443#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 447#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 446#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208; 425#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 426#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 427#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 428#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 432#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 442#L372-5 [2019-11-20 01:39:12,381 INFO L796 eck$LassoCheckResult]: Loop: 442#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 438#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 439#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 442#L372-5 [2019-11-20 01:39:12,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:12,381 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-20 01:39:12,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:12,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636515105] [2019-11-20 01:39:12,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,421 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:12,421 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-20 01:39:12,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:12,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298701464] [2019-11-20 01:39:12,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,430 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:12,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:12,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-20 01:39:12,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:39:12,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090473246] [2019-11-20 01:39:12,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:39:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:39:12,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:39:12,697 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 01:39:13,374 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 136 [2019-11-20 01:39:14,391 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-11-20 01:39:14,393 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:39:14,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:39:14,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:39:14,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:39:14,394 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:39:14,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:14,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:39:14,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:39:14,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration5_Lasso [2019-11-20 01:39:14,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:39:14,394 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:39:14,402 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 01:39:14,410 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 01:39:14,412 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 01:39:14,415 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 01:39:14,417 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 01:39:14,419 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 01:39:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,429 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 01:39:14,432 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 01:39:14,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,437 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 01:39:14,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:39:14,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-20 01:39:15,464 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-11-20 01:39:15,624 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-20 01:39:15,625 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 01:39:15,780 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-20 01:39:16,431 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-11-20 01:39:16,635 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-11-20 01:39:16,810 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:39:16,810 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:16,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:16,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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 01:39:16,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:16,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:16,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/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) [2019-11-20 01:39:16,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:16,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:39:16,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:16,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:16,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:16,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:16,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:16,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:16,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:16,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:16,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:16,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:16,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:16,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:17,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:17,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:17,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:17,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:17,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:39:17,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:39:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:39:17,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:17,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,043 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2019-11-20 01:39:17,043 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2019-11-20 01:39:17,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,176 INFO L401 nArgumentSynthesizer]: We have 196 Motzkin's Theorem applications. [2019-11-20 01:39:17,176 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2019-11-20 01:39:17,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:17,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:17,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:17,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:17,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:39:17,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:17,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:17,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:17,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:17,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:17,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 01:39:17,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:39:17,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:39:17,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:39:17,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:39:17,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:39:17,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:39:17,671 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2019-11-20 01:39:17,671 INFO L444 ModelExtractionUtils]: 11 out of 55 variables were initially zero. Simplification set additionally 41 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34ed648-5eba-4140-9435-f2cc43668c83/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:39:17,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:39:17,685 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 01:39:17,685 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:39:17,685 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1) = -1*ULTIMATE.start_cstrspn_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1 Supporting invariants [] [2019-11-20 01:39:17,852 INFO L297 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2019-11-20 01:39:17,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 01:39:17,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:17,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:39:17,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:17,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:39:17,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:17,948 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 01:39:17,948 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 01:39:17,949 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 01:39:17,992 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-20 01:39:17,993 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 01:39:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 01:39:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-20 01:39:17,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 01:39:17,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:17,994 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 01:39:18,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:18,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:39:18,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:18,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:39:18,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:18,077 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 01:39:18,078 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 01:39:18,078 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 01:39:18,122 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-20 01:39:18,127 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 01:39:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 01:39:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-20 01:39:18,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 01:39:18,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:18,128 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 01:39:18,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:39:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:18,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:39:18,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:39:18,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:39:18,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:39:18,223 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 01:39:18,223 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 01:39:18,223 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 01:39:18,283 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 53 transitions. Complement of second has 4 states. [2019-11-20 01:39:18,284 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 01:39:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 01:39:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-11-20 01:39:18,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 01:39:18,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:18,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-20 01:39:18,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:18,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-20 01:39:18,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:39:18,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-20 01:39:18,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:39:18,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-20 01:39:18,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:39:18,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:39:18,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:39:18,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:39:18,289 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:39:18,289 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:39:18,289 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:39:18,289 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 01:39:18,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:39:18,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:39:18,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:39:18,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:39:18 BoogieIcfgContainer [2019-11-20 01:39:18,298 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:39:18,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:39:18,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:39:18,298 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:39:18,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:04" (3/4) ... [2019-11-20 01:39:18,303 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:39:18,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:39:18,304 INFO L168 Benchmark]: Toolchain (without parser) took 15790.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.0 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -110.0 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:39:18,305 INFO L168 Benchmark]: CDTParser took 0.27 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 01:39:18,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:39:18,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.13 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 01:39:18,310 INFO L168 Benchmark]: Boogie Preprocessor took 68.12 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 01:39:18,310 INFO L168 Benchmark]: RCFGBuilder took 595.90 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 01:39:18,311 INFO L168 Benchmark]: BuchiAutomizer took 14245.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 142.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:39:18,311 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:39:18,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 761.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.13 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 68.12 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 595.90 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 14245.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 142.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 unknown-#length-unknown[sc1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + -1 * s and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s2] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. 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: 108 SDtfs, 121 SDslu, 57 SDs, 0 SdLazy, 97 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital368 mio100 ax100 hnf99 lsp92 ukn72 mio100 lsp31 div131 bol100 ite100 ukn100 eq168 hnf77 smp93 dnf677 smp32 tf100 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 448ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 6 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 196 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...