./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/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 0.1.25-f470102 [2019-12-07 14:46:10,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:46:10,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:46:10,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:46:10,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:46:10,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:46:10,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:46:10,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:46:10,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:46:10,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:46:10,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:46:10,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:46:10,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:46:10,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:46:10,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:46:10,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:46:10,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:46:10,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:46:10,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:46:10,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:46:10,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:46:10,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:46:10,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:46:10,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:46:10,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:46:10,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:46:10,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:46:10,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:46:10,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:46:10,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:46:10,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:46:10,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:46:10,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:46:10,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:46:10,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:46:10,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:46:10,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:46:10,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:46:10,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:46:10,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:46:10,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:46:10,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:46:10,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:46:10,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:46:10,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:46:10,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:46:10,409 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:46:10,409 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:46:10,409 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:46:10,409 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:46:10,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:46:10,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:46:10,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:46:10,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:46:10,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:46:10,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:46:10,412 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:46:10,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:46:10,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:46:10,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:46:10,412 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:46:10,413 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:46:10,413 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_a853e571-c78c-46d9-ad65-4ffcd392a7e7/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 [2019-12-07 14:46:10,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:46:10,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:46:10,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:46:10,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:46:10,525 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:46:10,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-2.c [2019-12-07 14:46:10,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/data/00d08336f/46670ab38f224ba1936ef68e4f7d14f6/FLAG996bbc879 [2019-12-07 14:46:10,888 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:46:10,889 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/sv-benchmarks/c/loops/insertion_sort-2.c [2019-12-07 14:46:10,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/data/00d08336f/46670ab38f224ba1936ef68e4f7d14f6/FLAG996bbc879 [2019-12-07 14:46:10,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/data/00d08336f/46670ab38f224ba1936ef68e4f7d14f6 [2019-12-07 14:46:10,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:46:10,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:46:10,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:46:10,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:46:10,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:46:10,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:46:10" (1/1) ... [2019-12-07 14:46:10,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d849264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:10, skipping insertion in model container [2019-12-07 14:46:10,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:46:10" (1/1) ... [2019-12-07 14:46:10,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:46:10,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:46:11,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:46:11,069 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:46:11,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:46:11,095 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:46:11,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11 WrapperNode [2019-12-07 14:46:11,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:46:11,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:46:11,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:46:11,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:46:11,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:46:11,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:46:11,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:46:11,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:46:11,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... [2019-12-07 14:46:11,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:46:11,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:46:11,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:46:11,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:46:11,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:46:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:46:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:46:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:46:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:46:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:46:11,312 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:46:11,313 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 14:46:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:46:11 BoogieIcfgContainer [2019-12-07 14:46:11,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:46:11,314 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:46:11,314 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:46:11,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:46:11,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:46:11,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:46:10" (1/3) ... [2019-12-07 14:46:11,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6638df19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:46:11, skipping insertion in model container [2019-12-07 14:46:11,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:46:11,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:46:11" (2/3) ... [2019-12-07 14:46:11,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6638df19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:46:11, skipping insertion in model container [2019-12-07 14:46:11,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:46:11,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:46:11" (3/3) ... [2019-12-07 14:46:11,319 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2.c [2019-12-07 14:46:11,347 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:46:11,348 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:46:11,348 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:46:11,348 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:46:11,348 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:46:11,348 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:46:11,348 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:46:11,348 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:46:11,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 14:46:11,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 14:46:11,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:11,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:11,375 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:46:11,375 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:46:11,376 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:46:11,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 14:46:11,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 14:46:11,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:11,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:11,377 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:46:11,377 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:46:11,382 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 11#L14-3true [2019-12-07 14:46:11,382 INFO L796 eck$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 [2019-12-07 14:46:11,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:11,386 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 14:46:11,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:11,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394006669] [2019-12-07 14:46:11,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:11,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:11,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1249301, now seen corresponding path program 1 times [2019-12-07 14:46:11,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:11,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377127675] [2019-12-07 14:46:11,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:11,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377127675] [2019-12-07 14:46:11,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:11,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:46:11,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069577969] [2019-12-07 14:46:11,509 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 14:46:11,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:46:11,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:46:11,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:46:11,521 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-12-07 14:46:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:11,525 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-12-07 14:46:11,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:46:11,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-12-07 14:46:11,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 14:46:11,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 16 transitions. [2019-12-07 14:46:11,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 14:46:11,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 14:46:11,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-12-07 14:46:11,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:46:11,531 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 14:46:11,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-12-07 14:46:11,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 14:46:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 14:46:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-07 14:46:11,549 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 14:46:11,549 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 14:46:11,549 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:46:11,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-12-07 14:46:11,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 14:46:11,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:11,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:11,550 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:46:11,550 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:46:11,550 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 [2019-12-07 14:46:11,550 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 [2019-12-07 14:46:11,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-12-07 14:46:11,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:11,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926245156] [2019-12-07 14:46:11,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:11,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:11,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208270, now seen corresponding path program 1 times [2019-12-07 14:46:11,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:11,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948875401] [2019-12-07 14:46:11,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,593 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:11,593 INFO L82 PathProgramCache]: Analyzing trace with hash 268257488, now seen corresponding path program 1 times [2019-12-07 14:46:11,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:11,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625582609] [2019-12-07 14:46:11,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:11,628 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:11,741 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-12-07 14:46:11,886 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:46:11,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:46:11,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:46:11,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:46:11,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:46:11,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:11,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:46:11,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:46:11,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration2_Lasso [2019-12-07 14:46:11,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:46:11,888 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:46:11,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:11,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,309 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:46:12,312 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,334 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 [2019-12-07 14:46:12,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,340 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 [2019-12-07 14:46:12,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:12,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:12,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,388 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 [2019-12-07 14:46:12,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:12,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:12,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:12,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:12,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:12,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:12,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:12,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:12,432 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 14:46:12,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:12,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:12,440 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 14:46:12,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:12,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:46:12,489 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 14:46:12,489 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_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:46:12,495 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:46:12,495 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:46:12,496 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 [] [2019-12-07 14:46:12,507 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 14:46:12,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 14:46:12,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:12,539 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:12,540 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:12,552 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:46:12,553 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:12,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:46:12,569 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 14:46:12,616 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. [2019-12-07 14:46:12,616 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 [2019-12-07 14:46:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:46:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-12-07 14:46:12,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 14:46:12,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:12,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 14:46:12,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:12,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 12 letters. [2019-12-07 14:46:12,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:12,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2019-12-07 14:46:12,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:12,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 25 transitions. [2019-12-07 14:46:12,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 14:46:12,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 14:46:12,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-12-07 14:46:12,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:46:12,622 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 14:46:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-12-07 14:46:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-12-07 14:46:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 14:46:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-12-07 14:46:12,624 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-12-07 14:46:12,624 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-12-07 14:46:12,624 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:46:12,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2019-12-07 14:46:12,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:12,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:12,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:12,625 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 14:46:12,625 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 14:46:12,625 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 [2019-12-07 14:46:12,625 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 [2019-12-07 14:46:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-12-07 14:46:12,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:12,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144426093] [2019-12-07 14:46:12,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,644 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:12,644 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 1 times [2019-12-07 14:46:12,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:12,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718286077] [2019-12-07 14:46:12,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:12,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:12,653 INFO L82 PathProgramCache]: Analyzing trace with hash 889663632, now seen corresponding path program 1 times [2019-12-07 14:46:12,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:12,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302571716] [2019-12-07 14:46:12,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:12,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:12,855 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:46:12,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:46:12,856 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:46:12,856 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:46:12,856 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:46:12,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:12,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:46:12,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:46:12,856 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration3_Lasso [2019-12-07 14:46:12,856 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:46:12,856 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:46:12,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:12,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:13,078 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:46:13,079 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:13,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:13,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:13,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:13,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:13,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:13,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:13,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:13,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:13,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:13,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:13,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:13,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:13,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:13,186 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:46:13,193 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 14:46:13,193 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_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:13,196 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:46:13,198 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:46:13,198 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:46:13,198 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-12-07 14:46:13,203 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 14:46:13,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:13,227 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:13,227 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:13,231 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:13,232 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:13,253 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 [2019-12-07 14:46:13,253 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-12-07 14:46:13,284 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. [2019-12-07 14:46:13,284 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 [2019-12-07 14:46:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:46:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-12-07 14:46:13,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 3 letters. [2019-12-07 14:46:13,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:13,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 14:46:13,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:13,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 6 letters. [2019-12-07 14:46:13,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:13,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 87 transitions. [2019-12-07 14:46:13,288 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2019-12-07 14:46:13,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 45 states and 58 transitions. [2019-12-07 14:46:13,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 14:46:13,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 14:46:13,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2019-12-07 14:46:13,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:46:13,291 INFO L688 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2019-12-07 14:46:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2019-12-07 14:46:13,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 22. [2019-12-07 14:46:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 14:46:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2019-12-07 14:46:13,295 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-12-07 14:46:13,295 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-12-07 14:46:13,295 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 14:46:13,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2019-12-07 14:46:13,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:13,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:13,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:13,296 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:46:13,296 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:46:13,297 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 [2019-12-07 14:46:13,297 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 [2019-12-07 14:46:13,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,297 INFO L82 PathProgramCache]: Analyzing trace with hash 925727, now seen corresponding path program 1 times [2019-12-07 14:46:13,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718061616] [2019-12-07 14:46:13,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,311 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 1 times [2019-12-07 14:46:13,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832089322] [2019-12-07 14:46:13,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,322 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,322 INFO L82 PathProgramCache]: Analyzing trace with hash 231194408, now seen corresponding path program 1 times [2019-12-07 14:46:13,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371912880] [2019-12-07 14:46:13,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:13,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371912880] [2019-12-07 14:46:13,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:13,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:46:13,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800387915] [2019-12-07 14:46:13,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:46:13,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:46:13,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:46:13,543 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 13 Second operand 4 states. [2019-12-07 14:46:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:13,603 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-12-07 14:46:13,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:46:13,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-12-07 14:46:13,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:13,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 24 states and 32 transitions. [2019-12-07 14:46:13,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 14:46:13,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 14:46:13,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2019-12-07 14:46:13,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:46:13,605 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-12-07 14:46:13,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2019-12-07 14:46:13,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-12-07 14:46:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 14:46:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-12-07 14:46:13,607 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 14:46:13,607 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 14:46:13,607 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 14:46:13,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-12-07 14:46:13,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:13,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:13,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:13,608 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:13,608 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 14:46:13,609 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 [2019-12-07 14:46:13,609 INFO L796 eck$LassoCheckResult]: Loop: 352#L17-5 main_#t~short4 := main_~i~0 >= 0; 336#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 337#L17-3 assume !!main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5;main_~i~0 := main_~i~0 - 1; 352#L17-5 [2019-12-07 14:46:13,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,609 INFO L82 PathProgramCache]: Analyzing trace with hash -272105412, now seen corresponding path program 1 times [2019-12-07 14:46:13,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420510958] [2019-12-07 14:46:13,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:13,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420510958] [2019-12-07 14:46:13,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:13,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:46:13,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141107107] [2019-12-07 14:46:13,629 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 14:46:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,629 INFO L82 PathProgramCache]: Analyzing trace with hash 44790, now seen corresponding path program 2 times [2019-12-07 14:46:13,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168292451] [2019-12-07 14:46:13,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:46:13,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:46:13,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:46:13,697 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-12-07 14:46:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:13,739 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2019-12-07 14:46:13,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:46:13,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-12-07 14:46:13,740 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-12-07 14:46:13,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 53 transitions. [2019-12-07 14:46:13,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-12-07 14:46:13,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 14:46:13,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2019-12-07 14:46:13,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:46:13,741 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2019-12-07 14:46:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2019-12-07 14:46:13,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2019-12-07 14:46:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 14:46:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-12-07 14:46:13,743 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-12-07 14:46:13,743 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-12-07 14:46:13,743 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 14:46:13,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-12-07 14:46:13,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 14:46:13,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:13,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:13,744 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:13,744 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:46:13,744 INFO L794 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 417#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 418#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 424#L17-5 main_#t~short4 := main_~i~0 >= 0; 413#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 414#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 422#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 423#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 425#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 419#L14-4 main_~k~0 := 1; 415#L23-3 [2019-12-07 14:46:13,744 INFO L796 eck$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 [2019-12-07 14:46:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,744 INFO L82 PathProgramCache]: Analyzing trace with hash 97408492, now seen corresponding path program 1 times [2019-12-07 14:46:13,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847828083] [2019-12-07 14:46:13,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,762 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,763 INFO L82 PathProgramCache]: Analyzing trace with hash 2285066, now seen corresponding path program 2 times [2019-12-07 14:46:13,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349240490] [2019-12-07 14:46:13,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:13,770 INFO L82 PathProgramCache]: Analyzing trace with hash 699287157, now seen corresponding path program 1 times [2019-12-07 14:46:13,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:13,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543003609] [2019-12-07 14:46:13,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:13,799 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:13,995 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-12-07 14:46:14,095 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:46:14,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:46:14,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:46:14,095 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:46:14,095 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:46:14,095 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:46:14,095 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:46:14,095 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration6_Lasso [2019-12-07 14:46:14,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:46:14,095 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:46:14,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:14,455 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:46:14,455 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:14,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:14,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:14,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:14,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:14,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:14,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:14,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:14,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:14,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:14,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:14,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:14,546 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:46:14,585 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-12-07 14:46:14,585 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_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:14,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:46:14,591 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 14:46:14,591 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:46:14,591 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] [2019-12-07 14:46:14,607 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 14:46:14,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:14,635 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:46:14,635 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:14,656 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 12 treesize of output 11 [2019-12-07 14:46:14,657 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:46:14,675 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:46:14,678 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 10 treesize of output 9 [2019-12-07 14:46:14,678 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 14:46:14,694 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:46:14,695 INFO L534 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. [2019-12-07 14:46:14,695 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:48 [2019-12-07 14:46:14,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:46:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:14,785 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:14,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:14,804 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 [2019-12-07 14:46:14,804 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 14:46:14,894 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. [2019-12-07 14:46:14,895 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 [2019-12-07 14:46:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 14:46:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-12-07 14:46:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 14:46:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-12-07 14:46:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 10 letters. Loop has 8 letters. [2019-12-07 14:46:14,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:14,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2019-12-07 14:46:14,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 14:46:14,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 26 states and 34 transitions. [2019-12-07 14:46:14,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 14:46:14,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 14:46:14,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-12-07 14:46:14,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:46:14,899 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-12-07 14:46:14,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-12-07 14:46:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-12-07 14:46:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 14:46:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-12-07 14:46:14,901 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-12-07 14:46:14,901 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-12-07 14:46:14,901 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 14:46:14,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2019-12-07 14:46:14,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 14:46:14,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:46:14,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:46:14,902 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 14:46:14,902 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 14:46:14,903 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 572#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 573#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 579#L17-5 main_#t~short4 := main_~i~0 >= 0; 595#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 591#L17-3 assume !main_#t~short4;havoc main_#t~mem3;havoc main_#t~short4; 583#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 584#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 580#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 581#L17-5 main_#t~short4 := main_~i~0 >= 0; 575#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 576#L17-3 [2019-12-07 14:46:14,903 INFO L796 eck$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 [2019-12-07 14:46:14,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:14,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1275302755, now seen corresponding path program 2 times [2019-12-07 14:46:14,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:14,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173240818] [2019-12-07 14:46:14,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:14,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:14,933 INFO L82 PathProgramCache]: Analyzing trace with hash 55260, now seen corresponding path program 3 times [2019-12-07 14:46:14,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:14,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885125466] [2019-12-07 14:46:14,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,940 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:14,941 INFO L82 PathProgramCache]: Analyzing trace with hash 736351680, now seen corresponding path program 1 times [2019-12-07 14:46:14,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:46:14,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860722386] [2019-12-07 14:46:14,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:46:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:46:14,974 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:46:15,279 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2019-12-07 14:46:15,504 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-07 14:46:15,506 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:46:15,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:46:15,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:46:15,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:46:15,506 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:46:15,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:15,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:46:15,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:46:15,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration7_Lasso [2019-12-07 14:46:15,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:46:15,506 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:46:15,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,727 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-12-07 14:46:15,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:15,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:46:16,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:46:16,074 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:16,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:16,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:16,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:16,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:16,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:16,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:16,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:16,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:16,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:16,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:16,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:16,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:16,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:16,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:46:16,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:46:16,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:46:16,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:16,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:16,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,131 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 14:46:16,131 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 14:46:16,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,139 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 14:46:16,139 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 14:46:16,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:16,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:16,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:16,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:16,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:46:16,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:46:16,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:46:16,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:46:16,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:46:16,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:46:16,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:46:16,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:46:16,224 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-12-07 14:46:16,225 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_a853e571-c78c-46d9-ad65-4ffcd392a7e7/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:46:16,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:46:16,229 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:46:16,229 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:46:16,229 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-12-07 14:46:16,242 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 14:46:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,258 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,259 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:16,279 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 [2019-12-07 14:46:16,279 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 14:46:16,311 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. [2019-12-07 14:46:16,312 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 [2019-12-07 14:46:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:46:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-12-07 14:46:16,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 3 letters. [2019-12-07 14:46:16,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:16,312 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:46:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,327 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,327 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,331 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:16,346 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 [2019-12-07 14:46:16,346 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 14:46:16,372 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. [2019-12-07 14:46:16,373 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 [2019-12-07 14:46:16,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:46:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-12-07 14:46:16,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2019-12-07 14:46:16,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:16,373 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:46:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,388 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:16,392 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:16,393 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:16,408 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 [2019-12-07 14:46:16,408 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 14:46:16,441 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. [2019-12-07 14:46:16,442 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 [2019-12-07 14:46:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 14:46:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-12-07 14:46:16,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 3 letters. [2019-12-07 14:46:16,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:16,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 14 letters. Loop has 3 letters. [2019-12-07 14:46:16,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:16,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 6 letters. [2019-12-07 14:46:16,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:46:16,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 107 transitions. [2019-12-07 14:46:16,444 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:46:16,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-12-07 14:46:16,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 14:46:16,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 14:46:16,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 14:46:16,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:46:16,444 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:46:16,445 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:46:16,445 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:46:16,445 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 14:46:16,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:46:16,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:46:16,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 14:46:16,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:46:16 BoogieIcfgContainer [2019-12-07 14:46:16,449 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:46:16,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:46:16,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:46:16,450 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:46:16,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:46:11" (3/4) ... [2019-12-07 14:46:16,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:46:16,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:46:16,453 INFO L168 Benchmark]: Toolchain (without parser) took 5547.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -207.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:16,453 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:46:16,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:16,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:46:16,454 INFO L168 Benchmark]: Boogie Preprocessor took 16.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:16,454 INFO L168 Benchmark]: RCFGBuilder took 175.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:16,455 INFO L168 Benchmark]: BuchiAutomizer took 5135.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:16,455 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:46:16,456 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5135.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 5.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 4.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. 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, 0.1s 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: 36ms 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...