./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67df9bfb6d520441572384e685c149d99c29f78c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:47,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:47,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:47,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:47,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:47,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:47,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:47,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:47,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:47,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:47,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:47,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:47,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:47,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:47,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:47,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:47,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:47,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:47,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:47,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:47,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:47,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:47,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:47,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:47,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:47,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:47,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:47,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:47,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:47,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:47,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:47,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:47,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:47,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:47,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:47,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:47,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:47,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:47,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:47,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:47,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:47,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:50:47,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:47,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:47,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:47,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:47,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:47,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:50:47,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:50:47,566 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:50:47,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:50:47,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:50:47,567 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:50:47,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:47,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:47,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:50:47,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:47,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:47,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:47,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:50:47,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:50:47,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:50:47,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:47,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:47,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:50:47,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:47,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:50:47,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:47,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:47,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:50:47,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:47,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:47,573 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:50:47,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:50:47,574 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_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67df9bfb6d520441572384e685c149d99c29f78c [2019-11-25 08:50:47,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:47,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:47,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:47,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:47,771 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:47,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-25 08:50:47,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/data/2a0778c39/7c9bd26df1534b169334f81dc6aaba8a/FLAG3b512e05a [2019-11-25 08:50:48,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:48,224 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/sv-benchmarks/c/loops/insertion_sort-2.c [2019-11-25 08:50:48,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/data/2a0778c39/7c9bd26df1534b169334f81dc6aaba8a/FLAG3b512e05a [2019-11-25 08:50:48,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/data/2a0778c39/7c9bd26df1534b169334f81dc6aaba8a [2019-11-25 08:50:48,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:48,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:48,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:48,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:48,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:48,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:48" (1/1) ... [2019-11-25 08:50:48,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60777a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:48, skipping insertion in model container [2019-11-25 08:50:48,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:48" (1/1) ... [2019-11-25 08:50:48,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:48,676 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:48,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:48,974 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:49,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:49,024 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:49,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49 WrapperNode [2019-11-25 08:50:49,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:49,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:49,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:49,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:49,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:49,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:49,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:49,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:49,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:49,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:49,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:49,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:49,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:50:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:49,466 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:49,466 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 08:50:49,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:49 BoogieIcfgContainer [2019-11-25 08:50:49,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:49,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:50:49,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:50:49,471 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:50:49,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:49,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:50:48" (1/3) ... [2019-11-25 08:50:49,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9648cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:49, skipping insertion in model container [2019-11-25 08:50:49,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:49,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (2/3) ... [2019-11-25 08:50:49,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9648cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:49, skipping insertion in model container [2019-11-25 08:50:49,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:49,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:49" (3/3) ... [2019-11-25 08:50:49,476 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2.c [2019-11-25 08:50:49,534 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:50:49,534 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:50:49,534 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:50:49,534 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:49,534 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:49,535 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:50:49,535 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:49,535 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:50:49,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:50:49,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-25 08:50:49,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:49,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:49,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:50:49,576 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:50:49,576 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:50:49,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:50:49,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-25 08:50:49,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:49,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:49,578 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:50:49,579 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:50:49,586 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 11#L14-3true [2019-11-25 08:50:49,586 INFO L796 eck$LassoCheckResult]: Loop: 11#L14-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 13#L17-5true assume !true; 12#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 14#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 11#L14-3true [2019-11-25 08:50:49,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,592 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-25 08:50:49,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:49,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279298524] [2019-11-25 08:50:49,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,714 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:49,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1249301, now seen corresponding path program 1 times [2019-11-25 08:50:49,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:49,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509416671] [2019-11-25 08:50:49,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:49,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509416671] [2019-11-25 08:50:49,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:49,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:49,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214580054] [2019-11-25 08:50:49,755 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:50:49,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:49,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:50:49,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:49,768 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:50:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:49,773 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-25 08:50:49,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:49,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-25 08:50:49,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:50:49,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 16 transitions. [2019-11-25 08:50:49,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:50:49,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:50:49,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-25 08:50:49,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:49,781 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-25 08:50:49,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-25 08:50:49,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-25 08:50:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-25 08:50:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-25 08:50:49,806 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-25 08:50:49,806 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-25 08:50:49,806 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:50:49,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-25 08:50:49,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:50:49,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:49,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:49,808 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:50:49,808 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:50:49,808 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 48#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 49#L14-3 [2019-11-25 08:50:49,809 INFO L796 eck$LassoCheckResult]: Loop: 49#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 55#L17-5 main_#t~short4 := main_~i~0 >= 0; 44#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 45#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 53#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 54#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 49#L14-3 [2019-11-25 08:50:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-25 08:50:49,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:49,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898834105] [2019-11-25 08:50:49,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:49,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208270, now seen corresponding path program 1 times [2019-11-25 08:50:49,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:49,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135232099] [2019-11-25 08:50:49,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,884 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:49,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,884 INFO L82 PathProgramCache]: Analyzing trace with hash 268257488, now seen corresponding path program 1 times [2019-11-25 08:50:49,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:49,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671523934] [2019-11-25 08:50:49,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:49,949 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:50,126 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-25 08:50:50,385 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:50,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:50,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:50,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:50,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:50,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:50,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:50,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:50,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration2_Lasso [2019-11-25 08:50:50,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:50,390 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:50,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:50,785 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-11-25 08:50:51,116 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-25 08:50:51,185 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:51,190 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,212 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 [2019-11-25 08:50:51,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,230 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 [2019-11-25 08:50:51,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:51,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:51,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:51,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:51,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,319 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 [2019-11-25 08:50:51,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,343 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 [2019-11-25 08:50:51,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:51,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:51,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:51,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:51,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:51,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:51,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:51,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:51,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:51,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:51,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:51,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:51,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:51,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:51,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:51,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:51,559 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:50:51,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:51,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:51,573 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:50:51,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:51,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:51,726 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:50:51,726 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:51,771 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:51,774 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:50:51,774 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:51,775 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~#v~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 1*ULTIMATE.start_main_~#v~0.offset - 4*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-25 08:50:51,790 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-25 08:50:51,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:50:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:51,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:51,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:51,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:51,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:51,876 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 [2019-11-25 08:50:51,877 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:50:51,928 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 6 states. [2019-11-25 08:50:51,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:50:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-25 08:50:51,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-25 08:50:51,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:51,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-25 08:50:51,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:51,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-25 08:50:51,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:51,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2019-11-25 08:50:51,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:51,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 25 transitions. [2019-11-25 08:50:51,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-25 08:50:51,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:50:51,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-25 08:50:51,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:50:51,937 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:50:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-25 08:50:51,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-25 08:50:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:50:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-11-25 08:50:51,939 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-25 08:50:51,940 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-25 08:50:51,940 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:50:51,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2019-11-25 08:50:51,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:51,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:51,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:51,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:50:51,941 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:50:51,941 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 143#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 144#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 151#L17-5 [2019-11-25 08:50:51,941 INFO L796 eck$LassoCheckResult]: Loop: 151#L17-5 main_#t~short4 := main_~i~0 >= 0; 137#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 138#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 151#L17-5 [2019-11-25 08:50:51,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:51,942 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-11-25 08:50:51,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:51,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415866055] [2019-11-25 08:50:51,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:51,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:51,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:51,987 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 1 times [2019-11-25 08:50:51,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:51,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736833717] [2019-11-25 08:50:51,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:52,017 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:52,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:52,018 INFO L82 PathProgramCache]: Analyzing trace with hash 889663632, now seen corresponding path program 1 times [2019-11-25 08:50:52,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:52,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573960364] [2019-11-25 08:50:52,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:52,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:52,394 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-11-25 08:50:52,399 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:52,399 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:52,399 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:52,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:52,400 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:52,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,400 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:52,400 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:52,400 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration3_Lasso [2019-11-25 08:50:52,400 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:52,400 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:52,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:52,777 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:52,777 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:52,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:52,901 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 [2019-11-25 08:50:52,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,936 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 [2019-11-25 08:50:52,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,952 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 [2019-11-25 08:50:52,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:52,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:52,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:52,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:52,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:52,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:52,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:52,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:52,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:52,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:52,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:53,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:53,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:53,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:53,011 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 [2019-11-25 08:50:53,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:53,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:53,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:53,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:53,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:53,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:53,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:53,047 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:50:53,047 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:53,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:53,059 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:50:53,060 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:53,060 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-25 08:50:53,068 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-25 08:50:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:53,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:53,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:53,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:53,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:53,145 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-25 08:50:53,145 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-25 08:50:53,193 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 69 states and 87 transitions. Complement of second has 9 states. [2019-11-25 08:50:53,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:50:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-25 08:50:53,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-25 08:50:53,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:53,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-25 08:50:53,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:53,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-25 08:50:53,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:53,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 87 transitions. [2019-11-25 08:50:53,203 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2019-11-25 08:50:53,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 45 states and 58 transitions. [2019-11-25 08:50:53,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:50:53,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-25 08:50:53,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2019-11-25 08:50:53,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:50:53,210 INFO L688 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2019-11-25 08:50:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2019-11-25 08:50:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 22. [2019-11-25 08:50:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:50:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2019-11-25 08:50:53,223 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-25 08:50:53,223 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-25 08:50:53,224 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:50:53,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2019-11-25 08:50:53,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:53,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:53,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:53,229 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:50:53,229 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:50:53,230 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 283#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 284#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 285#L14-4 main_~k~0 := 1; 281#L23-3 [2019-11-25 08:50:53,230 INFO L796 eck$LassoCheckResult]: Loop: 281#L23-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 282#L4 assume !(0 == __VERIFIER_assert_~cond); 295#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 286#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 281#L23-3 [2019-11-25 08:50:53,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,230 INFO L82 PathProgramCache]: Analyzing trace with hash 925727, now seen corresponding path program 1 times [2019-11-25 08:50:53,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:53,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962837657] [2019-11-25 08:50:53,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 1 times [2019-11-25 08:50:53,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:53,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929332125] [2019-11-25 08:50:53,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,314 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,315 INFO L82 PathProgramCache]: Analyzing trace with hash 231194408, now seen corresponding path program 1 times [2019-11-25 08:50:53,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:53,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500027643] [2019-11-25 08:50:53,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:53,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500027643] [2019-11-25 08:50:53,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:53,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:53,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211736807] [2019-11-25 08:50:53,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:53,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:53,626 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 13 Second operand 4 states. [2019-11-25 08:50:53,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:53,729 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-25 08:50:53,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:53,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-25 08:50:53,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:53,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 24 states and 32 transitions. [2019-11-25 08:50:53,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:50:53,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:50:53,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2019-11-25 08:50:53,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:50:53,733 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-25 08:50:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2019-11-25 08:50:53,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-11-25 08:50:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:50:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-25 08:50:53,736 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:50:53,736 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:50:53,736 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:50:53,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-25 08:50:53,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:53,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:53,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:53,759 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:53,759 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:50:53,760 INFO L794 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 342#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 343#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 349#L17-5 main_#t~short4 := main_~i~0 >= 0; 338#L17-1 assume !main_#t~short4; 339#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 347#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 348#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 350#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 352#L17-5 [2019-11-25 08:50:53,760 INFO L796 eck$LassoCheckResult]: Loop: 352#L17-5 main_#t~short4 := main_~i~0 >= 0; 336#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 337#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 352#L17-5 [2019-11-25 08:50:53,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,765 INFO L82 PathProgramCache]: Analyzing trace with hash -272105412, now seen corresponding path program 1 times [2019-11-25 08:50:53,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:53,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000033324] [2019-11-25 08:50:53,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:53,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000033324] [2019-11-25 08:50:53,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:53,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:53,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975883524] [2019-11-25 08:50:53,825 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:50:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:53,825 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 2 times [2019-11-25 08:50:53,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:53,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502806255] [2019-11-25 08:50:53,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:53,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:53,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:53,942 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-25 08:50:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:53,997 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2019-11-25 08:50:53,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:53,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-25 08:50:53,998 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-25 08:50:53,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 53 transitions. [2019-11-25 08:50:53,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-25 08:50:53,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-25 08:50:53,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2019-11-25 08:50:54,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:50:54,000 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2019-11-25 08:50:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2019-11-25 08:50:54,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2019-11-25 08:50:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 08:50:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-25 08:50:54,003 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:50:54,003 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:50:54,003 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:50:54,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-25 08:50:54,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:50:54,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:54,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:54,004 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:54,004 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:50:54,004 INFO L794 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 417#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 418#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 424#L17-5 main_#t~short4 := main_~i~0 >= 0; 413#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 414#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 422#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 423#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 425#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 419#L14-4 main_~k~0 := 1; 415#L23-3 [2019-11-25 08:50:54,004 INFO L796 eck$LassoCheckResult]: Loop: 415#L23-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 416#L4 assume !(0 == __VERIFIER_assert_~cond); 429#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 420#L23-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 415#L23-3 [2019-11-25 08:50:54,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:54,005 INFO L82 PathProgramCache]: Analyzing trace with hash 97408492, now seen corresponding path program 1 times [2019-11-25 08:50:54,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:54,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713522640] [2019-11-25 08:50:54,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,035 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:54,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:54,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 2 times [2019-11-25 08:50:54,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:54,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553147338] [2019-11-25 08:50:54,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,048 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash 699287157, now seen corresponding path program 1 times [2019-11-25 08:50:54,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:54,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895221933] [2019-11-25 08:50:54,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:54,098 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:54,438 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-11-25 08:50:54,618 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-11-25 08:50:54,621 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:54,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:54,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:54,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:54,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:54,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:54,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:54,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:54,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration6_Lasso [2019-11-25 08:50:54,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:54,622 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:54,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:54,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:55,269 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:55,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:55,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:55,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:55,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:55,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:55,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:55,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:55,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:55,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:55,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:55,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:55,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:55,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:55,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:55,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:55,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:55,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:55,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:55,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:55,481 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-25 08:50:55,482 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:55,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:50:55,486 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:50:55,487 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:55,487 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~k~0) = 4294967295*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~k~0 Supporting invariants [8589934590*ULTIMATE.start_main_~j~0 - 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 + 1*ULTIMATE.start_main_~#v~0.offset >= 0] [2019-11-25 08:50:55,501 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:50:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:55,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:50:55,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:55,585 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2019-11-25 08:50:55,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:50:55,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:50:55,613 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-11-25 08:50:55,613 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:50:55,650 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:50:55,651 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-25 08:50:55,651 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:48 [2019-11-25 08:50:55,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:50:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:55,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:55,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:55,840 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-25 08:50:55,840 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-25 08:50:55,999 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 35 states and 45 transitions. Complement of second has 6 states. [2019-11-25 08:50:56,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:50:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-11-25 08:50:56,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-25 08:50:56,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:56,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-25 08:50:56,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:56,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-25 08:50:56,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:56,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2019-11-25 08:50:56,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:50:56,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 26 states and 34 transitions. [2019-11-25 08:50:56,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-25 08:50:56,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-25 08:50:56,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-25 08:50:56,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:50:56,005 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-25 08:50:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-25 08:50:56,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-25 08:50:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:50:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-11-25 08:50:56,007 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-25 08:50:56,007 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-25 08:50:56,007 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:50:56,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2019-11-25 08:50:56,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:50:56,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:56,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:56,008 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-11-25 08:50:56,008 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:50:56,009 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 572#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 573#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 579#L17-5 main_#t~short4 := main_~i~0 >= 0; 595#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 591#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 583#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 584#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 580#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 581#L17-5 main_#t~short4 := main_~i~0 >= 0; 575#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-11-25 08:50:56,009 INFO L796 eck$LassoCheckResult]: Loop: 576#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 587#L17-5 main_#t~short4 := main_~i~0 >= 0; 590#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-11-25 08:50:56,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:56,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1275302755, now seen corresponding path program 2 times [2019-11-25 08:50:56,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:56,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118265359] [2019-11-25 08:50:56,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:56,085 INFO L82 PathProgramCache]: Analyzing trace with hash 55260, now seen corresponding path program 3 times [2019-11-25 08:50:56,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:56,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323908157] [2019-11-25 08:50:56,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,093 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash 736351680, now seen corresponding path program 1 times [2019-11-25 08:50:56,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:56,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058288110] [2019-11-25 08:50:56,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:56,232 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-11-25 08:50:56,668 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2019-11-25 08:50:57,021 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-11-25 08:50:57,024 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:57,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:57,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:57,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:57,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:57,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:57,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:57,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:57,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration7_Lasso [2019-11-25 08:50:57,025 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:57,025 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:57,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,326 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-11-25 08:50:57,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:57,878 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:57,878 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:57,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:57,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:57,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:57,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:57,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:57,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:57,896 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 [2019-11-25 08:50:57,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:57,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:57,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:57,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:57,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:57,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:57,929 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 [2019-11-25 08:50:57,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:57,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:57,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:57,941 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 [2019-11-25 08:50:57,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:57,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:57,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:57,950 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 [2019-11-25 08:50:57,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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 [2019-11-25 08:50:57,957 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 [2019-11-25 08:50:57,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:57,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:57,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:57,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:57,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:57,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:57,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:57,982 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:50:57,982 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:50:57,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:57,997 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-25 08:50:57,997 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:58,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:58,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:58,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:58,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:58,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:58,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:58,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:58,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:58,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:58,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:58,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:58,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:58,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:58,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:58,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:58,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:58,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:58,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:58,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:58,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:58,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:58,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:58,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:58,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:58,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:58,118 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-25 08:50:58,118 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db710043-9167-4130-ba91-4d7427690137/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) [2019-11-25 08:50:58,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:58,125 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:50:58,126 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:58,126 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-25 08:50:58,147 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-25 08:50:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:58,209 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-25 08:50:58,209 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:50:58,256 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 52 states and 69 transitions. Complement of second has 9 states. [2019-11-25 08:50:58,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:50:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-25 08:50:58,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-25 08:50:58,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:58,257 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:50:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:58,307 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-25 08:50:58,307 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:50:58,345 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 43 states and 54 transitions. Complement of second has 9 states. [2019-11-25 08:50:58,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:50:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-25 08:50:58,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-25 08:50:58,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:58,346 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:50:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:58,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:50:58,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:58,395 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 3 loop predicates [2019-11-25 08:50:58,395 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:50:58,442 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 77 states and 107 transitions. Complement of second has 10 states. [2019-11-25 08:50:58,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:50:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-25 08:50:58,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-25 08:50:58,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:58,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-25 08:50:58,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:58,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-25 08:50:58,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:58,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 107 transitions. [2019-11-25 08:50:58,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:58,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-11-25 08:50:58,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:50:58,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:50:58,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:50:58,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:58,450 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:58,451 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:58,451 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:58,451 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:50:58,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:58,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:58,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:50:58,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:50:58 BoogieIcfgContainer [2019-11-25 08:50:58,456 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:50:58,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:58,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:58,457 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:58,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:49" (3/4) ... [2019-11-25 08:50:58,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:50:58,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:58,462 INFO L168 Benchmark]: Toolchain (without parser) took 9824.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:58,462 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-25 08:50:58,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -242.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:58,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:58,463 INFO L168 Benchmark]: Boogie Preprocessor took 35.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:58,464 INFO L168 Benchmark]: RCFGBuilder took 359.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:58,464 INFO L168 Benchmark]: BuchiAutomizer took 8988.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:58,465 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:58,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 385.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -242.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 359.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8988.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -4 * j and consists of 4 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function 4294967295 * j + -2 * k and consists of 5 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 165 SDslu, 87 SDs, 0 SdLazy, 174 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax100 hnf99 lsp84 ukn77 mio100 lsp67 div199 bol100 ite100 ukn100 eq150 hnf60 smp88 dnf138 smp80 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 7 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...