./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_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_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:17:04,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:17:04,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:17:04,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:17:04,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:17:04,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:17:04,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:17:04,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:17:04,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:17:04,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:17:04,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:17:04,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:17:04,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:17:04,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:17:04,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:17:04,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:17:04,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:17:04,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:17:04,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:17:04,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:17:04,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:17:04,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:17:04,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:17:04,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:17:04,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:17:04,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:17:04,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:17:04,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:17:04,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:17:04,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:17:04,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:17:04,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:17:04,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:17:04,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:17:04,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:17:04,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:17:04,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:17:04,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:17:04,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:17:04,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:17:04,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:17:04,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 00:17:04,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:17:04,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:17:04,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:17:04,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:17:04,611 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:17:04,611 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:17:04,612 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:17:04,612 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:17:04,612 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:17:04,612 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:17:04,613 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:17:04,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:17:04,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:17:04,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:17:04,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:17:04,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:17:04,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:17:04,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:17:04,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:17:04,615 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:17:04,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:17:04,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:17:04,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:17:04,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:17:04,616 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:17:04,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:17:04,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:17:04,617 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:17:04,618 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:17:04,618 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_cdb98651-f31a-44ae-82bc-24ca844d933f/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 -> 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 [2019-11-20 00:17:04,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:17:04,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:17:04,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:17:04,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:17:04,868 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:17:04,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2019-11-20 00:17:04,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/data/7e25c4872/279adead55004ffb8b1be91fe2aa7d10/FLAG962569d7e [2019-11-20 00:17:05,523 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:17:05,523 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2019-11-20 00:17:05,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/data/7e25c4872/279adead55004ffb8b1be91fe2aa7d10/FLAG962569d7e [2019-11-20 00:17:05,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/data/7e25c4872/279adead55004ffb8b1be91fe2aa7d10 [2019-11-20 00:17:05,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:17:05,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:17:05,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:17:05,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:17:05,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:17:05,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:05" (1/1) ... [2019-11-20 00:17:05,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdd4980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:05, skipping insertion in model container [2019-11-20 00:17:05,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:05" (1/1) ... [2019-11-20 00:17:05,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:17:05,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:17:06,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:17:06,516 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:17:06,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:17:06,665 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:17:06,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06 WrapperNode [2019-11-20 00:17:06,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:17:06,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:17:06,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:17:06,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:17:06,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:17:06,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:17:06,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:17:06,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:17:06,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... [2019-11-20 00:17:06,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:17:06,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:17:06,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:17:06,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:17:06,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:17:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:17:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:17:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:17:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:17:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:17:07,300 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:17:07,300 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 00:17:07,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:17:07 BoogieIcfgContainer [2019-11-20 00:17:07,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:17:07,303 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:17:07,303 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:17:07,317 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:17:07,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:17:07,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:17:05" (1/3) ... [2019-11-20 00:17:07,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b5500fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:17:07, skipping insertion in model container [2019-11-20 00:17:07,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:17:07,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:06" (2/3) ... [2019-11-20 00:17:07,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b5500fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:17:07, skipping insertion in model container [2019-11-20 00:17:07,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:17:07,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:17:07" (3/3) ... [2019-11-20 00:17:07,322 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcmp_diffterm_alloca.i [2019-11-20 00:17:07,375 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:17:07,376 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:17:07,377 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:17:07,377 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:17:07,377 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:17:07,377 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:17:07,377 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:17:07,378 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:17:07,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 00:17:07,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 00:17:07,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:17:07,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:17:07,432 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 00:17:07,433 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:17:07,433 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:17:07,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 00:17:07,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 00:17:07,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:17:07,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:17:07,437 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 00:17:07,437 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:17:07,447 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, 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~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 5#L378-2true assume !(main_~length2~0 < 1); 14#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.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);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 8#L367-5true [2019-11-20 00:17:07,448 INFO L796 eck$LassoCheckResult]: Loop: 8#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; 4#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 6#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem205;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 8#L367-5true [2019-11-20 00:17:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:17:07,455 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 00:17:07,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:17:07,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750875739] [2019-11-20 00:17:07,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:17:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,709 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:17:07,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:17:07,711 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2019-11-20 00:17:07,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:17:07,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955446736] [2019-11-20 00:17:07,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:17:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,735 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:17:07,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:17:07,737 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2019-11-20 00:17:07,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:17:07,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970887430] [2019-11-20 00:17:07,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:17:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:17:07,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:17:08,099 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-11-20 00:17:08,612 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2019-11-20 00:17:08,797 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-20 00:17:08,810 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:17:08,811 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:17:08,811 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:17:08,811 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:17:08,812 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:17:08,812 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:08,812 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:17:08,812 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:17:08,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_diffterm_alloca.i_Iteration1_Lasso [2019-11-20 00:17:08,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:17:08,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:17:08,838 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 00:17:08,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:17:08,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:17:08,852 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 00:17:08,856 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 00:17:08,860 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 00:17:08,862 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 00:17:08,867 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 00:17:08,872 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 00:17:08,875 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 00:17:08,878 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 00:17:08,881 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 00:17:08,883 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 00:17:08,886 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 00:17:08,889 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 00:17:08,891 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 00:17:08,895 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 00:17:08,897 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 00:17:08,908 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 00:17:08,910 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 00:17:09,367 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-11-20 00:17:09,597 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-20 00:17:09,597 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 00:17:10,341 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-20 00:17:10,437 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:17:10,443 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:17:10,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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) [2019-11-20 00:17:10,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:17:10,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,534 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 00:17:10,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:17:10,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:17:10,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:17:10,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:17:10,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:17:10,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:17:10,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,830 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 00:17:10,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:17:10,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:17:10,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:17:10,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,880 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 00:17:10,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 00:17:10,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:17:10,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:17:10,896 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 00:17:10,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:17:10,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:10,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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 00:17:10,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:10,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:10,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:10,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:10,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:10,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:10,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:17:11,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:17:11,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 00:17:11,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:17:11,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:17:11,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:17:11,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:17:11,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:17:11,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:11,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:17:11,341 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-20 00:17:11,341 INFO L444 ModelExtractionUtils]: 25 out of 46 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdb98651-f31a-44ae-82bc-24ca844d933f/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) [2019-11-20 00:17:11,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:17:11,353 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:17:11,354 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:17:11,355 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s2.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1) = -1*ULTIMATE.start_cstrcmp_~s2.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 Supporting invariants [] [2019-11-20 00:17:11,440 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 00:17:11,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 00:17:11,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:17:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:17:11,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 00:17:11,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:17:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:17:11,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 00:17:11,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:17:11,620 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 00:17:11,640 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 00:17:11,641 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-20 00:17:11,735 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 29 states and 38 transitions. Complement of second has 6 states. [2019-11-20 00:17:11,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 00:17:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:17:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-11-20 00:17:11,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-20 00:17:11,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:17:11,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 3 letters. [2019-11-20 00:17:11,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:17:11,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 6 letters. [2019-11-20 00:17:11,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:17:11,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2019-11-20 00:17:11,745 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:17:11,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-11-20 00:17:11,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:17:11,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:17:11,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:17:11,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:17:11,750 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:17:11,750 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:17:11,751 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:17:11,751 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:17:11,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:17:11,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:17:11,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:17:11,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:17:11 BoogieIcfgContainer [2019-11-20 00:17:11,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:17:11,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:17:11,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:17:11,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:17:11,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:17:07" (3/4) ... [2019-11-20 00:17:11,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:17:11,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:17:11,765 INFO L168 Benchmark]: Toolchain (without parser) took 5903.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 946.0 MB in the beginning and 977.9 MB in the end (delta: -31.8 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:17:11,765 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:17:11,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:17:11,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:17:11,767 INFO L168 Benchmark]: Boogie Preprocessor took 56.05 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 00:17:11,768 INFO L168 Benchmark]: RCFGBuilder took 509.59 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:17:11,769 INFO L168 Benchmark]: BuchiAutomizer took 4455.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 122.4 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:17:11,769 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 1.2 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:17:11,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 802.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.05 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. * RCFGBuilder took 509.59 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4455.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 122.4 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.92 ms. Allocated memory is still 1.2 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 21 SDslu, 5 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf99 lsp97 ukn85 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...