./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:37:00,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:37:00,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:37:00,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:37:00,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:37:00,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:37:00,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:37:00,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:37:00,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:37:00,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:37:00,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:37:00,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:37:00,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:37:00,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:37:00,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:37:00,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:37:00,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:37:00,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:37:00,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:37:00,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:37:00,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:37:00,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:37:00,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:37:00,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:37:00,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:37:00,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:37:00,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:37:00,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:37:00,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:37:00,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:37:00,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:37:00,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:37:00,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:37:00,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:37:00,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:37:00,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:37:00,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:37:00,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:37:00,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:37:00,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:37:00,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:37:00,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 21:37:00,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:37:00,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:37:00,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:37:00,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:37:00,544 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:37:00,545 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 21:37:00,545 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 21:37:00,545 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 21:37:00,545 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 21:37:00,546 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 21:37:00,547 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 21:37:00,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:37:00,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:37:00,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:37:00,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:37:00,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 21:37:00,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 21:37:00,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 21:37:00,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:37:00,549 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 21:37:00,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:37:00,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 21:37:00,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:37:00,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:37:00,551 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 21:37:00,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:37:00,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:37:00,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:37:00,552 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 21:37:00,554 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 21:37:00,554 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be [2020-11-29 21:37:00,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:37:00,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:37:00,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:37:00,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:37:00,926 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:37:00,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2020-11-29 21:37:01,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/data/4d7b3c1df/c292260703194991b9f40d6ae03bd283/FLAG414f0f43a [2020-11-29 21:37:01,549 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:37:01,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2020-11-29 21:37:01,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/data/4d7b3c1df/c292260703194991b9f40d6ae03bd283/FLAG414f0f43a [2020-11-29 21:37:01,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/data/4d7b3c1df/c292260703194991b9f40d6ae03bd283 [2020-11-29 21:37:01,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:37:01,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:37:01,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:37:01,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:37:01,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:37:01,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:37:01" (1/1) ... [2020-11-29 21:37:01,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1ba744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:01, skipping insertion in model container [2020-11-29 21:37:01,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:37:01" (1/1) ... [2020-11-29 21:37:01,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:37:01,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:37:02,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:37:02,313 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:37:02,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:37:02,441 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:37:02,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02 WrapperNode [2020-11-29 21:37:02,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:37:02,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:37:02,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:37:02,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:37:02,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:37:02,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:37:02,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:37:02,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:37:02,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... [2020-11-29 21:37:02,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:37:02,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:37:02,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:37:02,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:37:02,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:37:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:37:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:37:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:37:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:37:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:37:03,040 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:37:03,041 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 21:37:03,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:37:03 BoogieIcfgContainer [2020-11-29 21:37:03,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:37:03,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 21:37:03,045 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 21:37:03,049 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 21:37:03,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:37:03,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 09:37:01" (1/3) ... [2020-11-29 21:37:03,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f8bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:37:03, skipping insertion in model container [2020-11-29 21:37:03,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:37:03,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:37:02" (2/3) ... [2020-11-29 21:37:03,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f8bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:37:03, skipping insertion in model container [2020-11-29 21:37:03,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:37:03,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:37:03" (3/3) ... [2020-11-29 21:37:03,054 INFO L373 chiAutomizerObserver]: Analyzing ICFG Urban-alloca.i [2020-11-29 21:37:03,118 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 21:37:03,118 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 21:37:03,118 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 21:37:03,118 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:37:03,119 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:37:03,119 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 21:37:03,119 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:37:03,119 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 21:37:03,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 21:37:03,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 21:37:03,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:03,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:03,158 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 21:37:03,159 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:03,159 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 21:37:03,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 21:37:03,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 21:37:03,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:03,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:03,163 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 21:37:03,163 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:03,170 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 8#L559-2true [2020-11-29 21:37:03,170 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-2true call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 13#L550-1true assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 6#L550-3true assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 9#L551true assume main_#t~mem7 > 0;havoc main_#t~mem7; 7#L552true assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 8#L559-2true [2020-11-29 21:37:03,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:03,178 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 21:37:03,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:03,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842652747] [2020-11-29 21:37:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:03,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:03,311 INFO L82 PathProgramCache]: Analyzing trace with hash 35409681, now seen corresponding path program 1 times [2020-11-29 21:37:03,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:03,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944361970] [2020-11-29 21:37:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,357 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:03,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 1 times [2020-11-29 21:37:03,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:03,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938359369] [2020-11-29 21:37:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,385 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:03,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:03,421 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:03,728 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-11-29 21:37:04,020 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:04,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:04,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:04,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:04,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:04,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:04,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:04,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:04,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration1_Lasso [2020-11-29 21:37:04,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:04,023 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:04,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,294 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-11-29 21:37:04,405 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-11-29 21:37:04,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:04,970 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:04,975 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:04,983 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 [2020-11-29 21:37:04,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:04,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:04,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:04,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:04,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:04,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:04,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:04,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,042 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 [2020-11-29 21:37:05,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:05,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:05,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,092 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 [2020-11-29 21:37:05,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:05,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:05,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:05,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,126 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 [2020-11-29 21:37:05,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:05,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:05,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,168 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 [2020-11-29 21:37:05,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:05,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:05,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:05,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,204 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 [2020-11-29 21:37:05,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:05,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:05,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:05,311 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 [2020-11-29 21:37:05,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:05,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:05,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:05,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,360 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 [2020-11-29 21:37:05,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:05,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:05,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:05,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:05,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:05,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:05,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:05,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:05,376 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 21:37:05,376 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:05,381 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:05,382 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 21:37:05,382 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:05,382 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2020-11-29 21:37:05,507 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:05,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:05,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:05,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:05,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:05,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:05,733 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 [2020-11-29 21:37:05,735 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 5 states. [2020-11-29 21:37:05,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 5 states. Result 54 states and 72 transitions. Complement of second has 12 states. [2020-11-29 21:37:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2020-11-29 21:37:05,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 2 letters. Loop has 5 letters. [2020-11-29 21:37:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:05,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 7 letters. Loop has 5 letters. [2020-11-29 21:37:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:05,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 2 letters. Loop has 10 letters. [2020-11-29 21:37:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:05,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 72 transitions. [2020-11-29 21:37:05,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:05,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 28 states and 43 transitions. [2020-11-29 21:37:05,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-29 21:37:05,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-11-29 21:37:05,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. [2020-11-29 21:37:05,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:05,947 INFO L691 BuchiCegarLoop]: Abstraction has 28 states and 43 transitions. [2020-11-29 21:37:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. [2020-11-29 21:37:05,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2020-11-29 21:37:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 21:37:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 30 transitions. [2020-11-29 21:37:05,968 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 30 transitions. [2020-11-29 21:37:05,968 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 30 transitions. [2020-11-29 21:37:05,968 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 21:37:05,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 30 transitions. [2020-11-29 21:37:05,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:05,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:05,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:05,970 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 21:37:05,970 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:05,970 INFO L794 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 172#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 173#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 184#L550-1 [2020-11-29 21:37:05,970 INFO L796 eck$LassoCheckResult]: Loop: 184#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 174#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 175#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 179#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 180#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 184#L550-1 [2020-11-29 21:37:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:05,971 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-29 21:37:05,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:05,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573325401] [2020-11-29 21:37:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:05,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:06,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,013 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:06,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:06,017 INFO L82 PathProgramCache]: Analyzing trace with hash 38421593, now seen corresponding path program 1 times [2020-11-29 21:37:06,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:06,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432264850] [2020-11-29 21:37:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:06,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:06,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,054 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:06,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:06,054 INFO L82 PathProgramCache]: Analyzing trace with hash 177749398, now seen corresponding path program 1 times [2020-11-29 21:37:06,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:06,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923621443] [2020-11-29 21:37:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:06,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:06,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:06,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:06,386 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-11-29 21:37:06,658 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-11-29 21:37:06,744 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:06,744 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:06,744 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:06,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:06,744 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:06,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:06,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:06,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:06,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration2_Lasso [2020-11-29 21:37:06,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:06,745 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:06,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:06,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:07,316 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-11-29 21:37:07,473 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-11-29 21:37:07,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:07,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:07,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:08,055 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:08,055 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,080 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 [2020-11-29 21:37:08,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,130 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 [2020-11-29 21:37:08,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:08,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:08,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:08,181 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 [2020-11-29 21:37:08,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:08,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:08,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:08,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:08,234 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 [2020-11-29 21:37:08,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:08,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:08,283 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 [2020-11-29 21:37:08,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:08,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:08,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,333 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 [2020-11-29 21:37:08,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,364 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 [2020-11-29 21:37:08,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,389 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 [2020-11-29 21:37:08,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,416 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 [2020-11-29 21:37:08,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,446 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 [2020-11-29 21:37:08,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:08,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,502 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 [2020-11-29 21:37:08,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:08,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:08,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,550 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 [2020-11-29 21:37:08,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,601 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 [2020-11-29 21:37:08,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:08,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:08,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:08,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:08,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:08,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:08,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:08,612 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:08,615 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 21:37:08,615 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:08,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:08,617 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 21:37:08,618 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:08,618 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 Supporting invariants [] [2020-11-29 21:37:08,679 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:08,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:08,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:08,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:08,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:08,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:08,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:08,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:08,826 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-11-29 21:37:08,827 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:08,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:08,834 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:08,834 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:19 [2020-11-29 21:37:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:08,849 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-29 21:37:08,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2020-11-29 21:37:08,894 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 30 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 43 states and 66 transitions. Complement of second has 9 states. [2020-11-29 21:37:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-29 21:37:08,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 5 letters. [2020-11-29 21:37:08,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:08,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-29 21:37:08,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:08,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 10 letters. [2020-11-29 21:37:08,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:08,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 66 transitions. [2020-11-29 21:37:08,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:08,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 64 transitions. [2020-11-29 21:37:08,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-29 21:37:08,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-11-29 21:37:08,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 64 transitions. [2020-11-29 21:37:08,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:08,904 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 64 transitions. [2020-11-29 21:37:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 64 transitions. [2020-11-29 21:37:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-11-29 21:37:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-29 21:37:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 61 transitions. [2020-11-29 21:37:08,909 INFO L714 BuchiCegarLoop]: Abstraction has 39 states and 61 transitions. [2020-11-29 21:37:08,909 INFO L594 BuchiCegarLoop]: Abstraction has 39 states and 61 transitions. [2020-11-29 21:37:08,909 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 21:37:08,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 61 transitions. [2020-11-29 21:37:08,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:08,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:08,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:08,912 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 21:37:08,912 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:08,912 INFO L794 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 332#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 333#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 357#L550-1 assume !main_#t~short6; 353#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 347#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 348#L559 [2020-11-29 21:37:08,912 INFO L796 eck$LassoCheckResult]: Loop: 348#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 343#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 344#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 350#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 351#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 348#L559 [2020-11-29 21:37:08,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:08,913 INFO L82 PathProgramCache]: Analyzing trace with hash 889571379, now seen corresponding path program 1 times [2020-11-29 21:37:08,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:08,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017736068] [2020-11-29 21:37:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:08,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017736068] [2020-11-29 21:37:08,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:37:08,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:37:08,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448667412] [2020-11-29 21:37:08,986 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 21:37:08,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:08,987 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 1 times [2020-11-29 21:37:08,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:08,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455395309] [2020-11-29 21:37:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:08,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:09,184 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-11-29 21:37:09,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:37:09,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:37:09,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:37:09,221 INFO L87 Difference]: Start difference. First operand 39 states and 61 transitions. cyclomatic complexity: 27 Second operand 3 states. [2020-11-29 21:37:09,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:37:09,233 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2020-11-29 21:37:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:37:09,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2020-11-29 21:37:09,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:09,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 39 states and 50 transitions. [2020-11-29 21:37:09,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-29 21:37:09,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-11-29 21:37:09,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2020-11-29 21:37:09,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:09,240 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-11-29 21:37:09,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2020-11-29 21:37:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-29 21:37:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-29 21:37:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2020-11-29 21:37:09,243 INFO L714 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-11-29 21:37:09,243 INFO L594 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-11-29 21:37:09,243 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 21:37:09,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 50 transitions. [2020-11-29 21:37:09,245 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-29 21:37:09,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:09,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:09,245 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 21:37:09,246 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:09,246 INFO L794 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 423#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 424#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 434#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 447#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 438#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 439#L559 [2020-11-29 21:37:09,246 INFO L796 eck$LassoCheckResult]: Loop: 439#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 445#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 450#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 425#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 426#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 439#L559 [2020-11-29 21:37:09,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:09,247 INFO L82 PathProgramCache]: Analyzing trace with hash 889569457, now seen corresponding path program 1 times [2020-11-29 21:37:09,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:09,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144281555] [2020-11-29 21:37:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,258 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:09,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:09,272 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 2 times [2020-11-29 21:37:09,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:09,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037869547] [2020-11-29 21:37:09,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,317 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:09,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:09,318 INFO L82 PathProgramCache]: Analyzing trace with hash -127775619, now seen corresponding path program 1 times [2020-11-29 21:37:09,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:09,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018407798] [2020-11-29 21:37:09,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,341 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:09,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:09,373 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:09,492 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-11-29 21:37:09,702 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2020-11-29 21:37:09,792 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:09,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:09,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:09,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:09,792 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:09,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:09,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:09,792 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:09,792 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration4_Lasso [2020-11-29 21:37:09,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:09,792 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:09,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:09,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,057 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-11-29 21:37:10,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:10,610 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:10,610 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,626 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 [2020-11-29 21:37:10,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,652 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 [2020-11-29 21:37:10,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:10,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:10,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,706 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 [2020-11-29 21:37:10,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,735 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 [2020-11-29 21:37:10,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,760 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 [2020-11-29 21:37:10,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,786 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 [2020-11-29 21:37:10,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,813 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 [2020-11-29 21:37:10,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,854 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 [2020-11-29 21:37:10,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:10,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:10,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:10,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,880 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 [2020-11-29 21:37:10,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,910 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 [2020-11-29 21:37:10,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,945 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 [2020-11-29 21:37:10,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:10,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:10,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:10,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:10,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:10,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:10,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:10,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:10,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:11,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:11,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:11,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:11,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:11,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:11,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:11,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:11,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:11,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:11,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:11,047 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:11,066 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-29 21:37:11,066 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:11,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:11,077 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:11,077 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:11,077 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2020-11-29 21:37:11,136 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:11,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:11,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:11,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:11,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:37:11,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:11,220 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 21:37:11,220 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:11,225 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:11,225 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:11,225 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2020-11-29 21:37:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:11,249 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 [2020-11-29 21:37:11,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16 Second operand 4 states. [2020-11-29 21:37:11,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16. Second operand 4 states. Result 65 states and 85 transitions. Complement of second has 9 states. [2020-11-29 21:37:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 21:37:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-11-29 21:37:11,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 5 letters. [2020-11-29 21:37:11,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:11,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:11,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:11,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 10 letters. [2020-11-29 21:37:11,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:11,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 85 transitions. [2020-11-29 21:37:11,349 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2020-11-29 21:37:11,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 64 states and 84 transitions. [2020-11-29 21:37:11,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-11-29 21:37:11,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2020-11-29 21:37:11,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 84 transitions. [2020-11-29 21:37:11,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:11,351 INFO L691 BuchiCegarLoop]: Abstraction has 64 states and 84 transitions. [2020-11-29 21:37:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 84 transitions. [2020-11-29 21:37:11,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2020-11-29 21:37:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-11-29 21:37:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2020-11-29 21:37:11,362 INFO L714 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-11-29 21:37:11,362 INFO L594 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-11-29 21:37:11,362 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 21:37:11,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 80 transitions. [2020-11-29 21:37:11,363 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2020-11-29 21:37:11,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:11,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:11,364 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:37:11,364 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2020-11-29 21:37:11,365 INFO L794 eck$LassoCheckResult]: Stem: 634#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 632#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 633#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 643#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 671#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 664#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 660#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 661#L559-2 [2020-11-29 21:37:11,365 INFO L796 eck$LassoCheckResult]: Loop: 661#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 672#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 635#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 636#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 647#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 676#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 648#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 649#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 666#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 667#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 661#L559-2 [2020-11-29 21:37:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 2 times [2020-11-29 21:37:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:11,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785771647] [2020-11-29 21:37:11,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:11,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:11,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:11,412 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:11,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:11,413 INFO L82 PathProgramCache]: Analyzing trace with hash -552559553, now seen corresponding path program 1 times [2020-11-29 21:37:11,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:11,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795292081] [2020-11-29 21:37:11,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:11,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795292081] [2020-11-29 21:37:11,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002625279] [2020-11-29 21:37:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:37:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:11,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 21:37:11,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:11,815 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:11,815 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 58 [2020-11-29 21:37:11,818 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-29 21:37:11,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:11,831 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:11,883 INFO L625 ElimStorePlain]: treesize reduction 36, result has 60.4 percent of original size [2020-11-29 21:37:11,883 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-11-29 21:37:11,883 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:55 [2020-11-29 21:37:12,011 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:37:12,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,053 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:37:12,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,061 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:37:12,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:12,117 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-11-29 21:37:12,118 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:12,125 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,126 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-11-29 21:37:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:12,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 21:37:12,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-11-29 21:37:12,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761267547] [2020-11-29 21:37:12,132 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 21:37:12,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:37:12,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 21:37:12,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-11-29 21:37:12,134 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. cyclomatic complexity: 26 Second operand 10 states. [2020-11-29 21:37:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:37:12,256 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2020-11-29 21:37:12,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:37:12,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 92 transitions. [2020-11-29 21:37:12,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-11-29 21:37:12,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 62 states and 76 transitions. [2020-11-29 21:37:12,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2020-11-29 21:37:12,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2020-11-29 21:37:12,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 76 transitions. [2020-11-29 21:37:12,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:12,260 INFO L691 BuchiCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-11-29 21:37:12,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 76 transitions. [2020-11-29 21:37:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 46. [2020-11-29 21:37:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-29 21:37:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2020-11-29 21:37:12,264 INFO L714 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2020-11-29 21:37:12,265 INFO L594 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2020-11-29 21:37:12,265 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 21:37:12,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 59 transitions. [2020-11-29 21:37:12,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-11-29 21:37:12,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:12,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:12,266 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:37:12,266 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:12,267 INFO L794 eck$LassoCheckResult]: Stem: 818#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 812#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 813#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 848#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 845#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 838#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 836#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 823#L559-2 [2020-11-29 21:37:12,267 INFO L796 eck$LassoCheckResult]: Loop: 823#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 824#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 814#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 815#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 827#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 823#L559-2 [2020-11-29 21:37:12,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 3 times [2020-11-29 21:37:12,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456522024] [2020-11-29 21:37:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,286 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:12,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,287 INFO L82 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 2 times [2020-11-29 21:37:12,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844712061] [2020-11-29 21:37:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,299 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:12,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,300 INFO L82 PathProgramCache]: Analyzing trace with hash 333922885, now seen corresponding path program 1 times [2020-11-29 21:37:12,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720123892] [2020-11-29 21:37:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:12,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720123892] [2020-11-29 21:37:12,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523191393] [2020-11-29 21:37:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:37:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:12,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 21:37:12,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:12,563 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2020-11-29 21:37:12,564 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,570 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:12,571 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:18 [2020-11-29 21:37:12,584 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2020-11-29 21:37:12,586 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,590 INFO L625 ElimStorePlain]: treesize reduction 4, result has 42.9 percent of original size [2020-11-29 21:37:12,591 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:12,591 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2020-11-29 21:37:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:12,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 21:37:12,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-11-29 21:37:12,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039644015] [2020-11-29 21:37:12,732 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-11-29 21:37:12,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:37:12,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 21:37:12,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-29 21:37:12,760 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. cyclomatic complexity: 18 Second operand 10 states. [2020-11-29 21:37:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:37:12,898 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2020-11-29 21:37:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 21:37:12,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2020-11-29 21:37:12,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2020-11-29 21:37:12,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 50 states and 61 transitions. [2020-11-29 21:37:12,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-11-29 21:37:12,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-11-29 21:37:12,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2020-11-29 21:37:12,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:12,901 INFO L691 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2020-11-29 21:37:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2020-11-29 21:37:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-11-29 21:37:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-11-29 21:37:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2020-11-29 21:37:12,905 INFO L714 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2020-11-29 21:37:12,905 INFO L594 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2020-11-29 21:37:12,905 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 21:37:12,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 61 transitions. [2020-11-29 21:37:12,906 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2020-11-29 21:37:12,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:12,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:12,906 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:37:12,906 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:12,907 INFO L794 eck$LassoCheckResult]: Stem: 966#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 964#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 965#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 982#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 983#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 979#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 980#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 987#L559-2 [2020-11-29 21:37:12,907 INFO L796 eck$LassoCheckResult]: Loop: 987#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1001#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 998#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 995#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 993#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 987#L559-2 [2020-11-29 21:37:12,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849425, now seen corresponding path program 1 times [2020-11-29 21:37:12,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594379017] [2020-11-29 21:37:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,929 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash 35409681, now seen corresponding path program 2 times [2020-11-29 21:37:12,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356422774] [2020-11-29 21:37:12,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,943 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:12,944 INFO L82 PathProgramCache]: Analyzing trace with hash 391181185, now seen corresponding path program 1 times [2020-11-29 21:37:12,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:12,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753110993] [2020-11-29 21:37:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:12,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:13,004 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:13,124 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-11-29 21:37:13,366 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-11-29 21:37:13,448 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:13,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:13,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:13,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:13,448 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:13,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:13,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:13,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:13,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration7_Lasso [2020-11-29 21:37:13,449 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:13,449 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:13,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,603 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-11-29 21:37:13,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:13,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:14,120 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:14,120 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:14,134 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 [2020-11-29 21:37:14,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:14,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:14,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:14,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:14,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:14,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:14,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:14,154 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-29 21:37:14,154 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:14,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:14,164 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:14,165 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:14,165 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4 Supporting invariants [] [2020-11-29 21:37:14,208 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:14,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:14,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:14,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:14,254 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 21:37:14,255 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:14,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:14,259 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:14,259 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:6 [2020-11-29 21:37:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:14,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:14,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:14,304 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 21:37:14,304 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 16 Second operand 6 states. [2020-11-29 21:37:14,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 16. Second operand 6 states. Result 70 states and 86 transitions. Complement of second has 12 states. [2020-11-29 21:37:14,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-11-29 21:37:14,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 7 letters. Loop has 5 letters. [2020-11-29 21:37:14,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:14,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-29 21:37:14,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:14,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 7 letters. Loop has 10 letters. [2020-11-29 21:37:14,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:14,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 86 transitions. [2020-11-29 21:37:14,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2020-11-29 21:37:14,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 69 states and 85 transitions. [2020-11-29 21:37:14,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2020-11-29 21:37:14,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2020-11-29 21:37:14,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 85 transitions. [2020-11-29 21:37:14,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:14,409 INFO L691 BuchiCegarLoop]: Abstraction has 69 states and 85 transitions. [2020-11-29 21:37:14,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 85 transitions. [2020-11-29 21:37:14,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2020-11-29 21:37:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-29 21:37:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2020-11-29 21:37:14,414 INFO L714 BuchiCegarLoop]: Abstraction has 60 states and 75 transitions. [2020-11-29 21:37:14,414 INFO L594 BuchiCegarLoop]: Abstraction has 60 states and 75 transitions. [2020-11-29 21:37:14,415 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-29 21:37:14,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 75 transitions. [2020-11-29 21:37:14,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2020-11-29 21:37:14,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:14,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:14,416 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2020-11-29 21:37:14,416 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:14,417 INFO L794 eck$LassoCheckResult]: Stem: 1209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1203#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1204#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1234#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1232#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1229#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1228#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 1224#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1246#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1254#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1231#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1210#L552 [2020-11-29 21:37:14,417 INFO L796 eck$LassoCheckResult]: Loop: 1210#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 1211#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1214#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1205#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1206#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1210#L552 [2020-11-29 21:37:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:14,417 INFO L82 PathProgramCache]: Analyzing trace with hash -125928585, now seen corresponding path program 1 times [2020-11-29 21:37:14,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:14,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237141696] [2020-11-29 21:37:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,438 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:14,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:14,439 INFO L82 PathProgramCache]: Analyzing trace with hash 52859423, now seen corresponding path program 3 times [2020-11-29 21:37:14,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:14,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336861790] [2020-11-29 21:37:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1457049705, now seen corresponding path program 1 times [2020-11-29 21:37:14,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:14,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215602784] [2020-11-29 21:37:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:14,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:14,478 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:14,584 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-11-29 21:37:15,008 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2020-11-29 21:37:15,090 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:15,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:15,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:15,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:15,091 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:15,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:15,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:15,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:15,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration8_Lasso [2020-11-29 21:37:15,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:15,091 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:15,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:15,739 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:15,739 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,744 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 [2020-11-29 21:37:15,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:15,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:15,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:15,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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) [2020-11-29 21:37:15,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:15,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:15,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:15,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,836 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 [2020-11-29 21:37:15,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:15,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:15,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,865 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 [2020-11-29 21:37:15,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,891 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 [2020-11-29 21:37:15,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,917 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 [2020-11-29 21:37:15,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,945 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 [2020-11-29 21:37:15,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:15,974 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 [2020-11-29 21:37:15,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:15,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:15,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:15,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:15,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:15,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:15,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:15,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/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 [2020-11-29 21:37:16,002 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 [2020-11-29 21:37:16,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:16,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:16,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:16,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:16,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:16,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:16,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:16,033 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 [2020-11-29 21:37:16,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:16,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:16,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:16,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:16,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:16,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:16,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:16,098 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 [2020-11-29 21:37:16,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:16,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:16,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:16,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:16,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:16,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:16,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:16,122 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-29 21:37:16,122 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:16,126 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:16,129 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:16,129 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:16,129 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5 Supporting invariants [] [2020-11-29 21:37:16,247 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:16,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:16,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:16,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:16,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:16,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 21:37:16,307 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:16,314 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:16,314 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:16,314 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2020-11-29 21:37:16,322 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:16,361 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-29 21:37:16,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 75 transitions. cyclomatic complexity: 21 Second operand 5 states. [2020-11-29 21:37:16,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 75 transitions. cyclomatic complexity: 21. Second operand 5 states. Result 128 states and 157 transitions. Complement of second has 9 states. [2020-11-29 21:37:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-11-29 21:37:16,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:16,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:16,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 16 letters. Loop has 5 letters. [2020-11-29 21:37:16,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:16,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 10 letters. [2020-11-29 21:37:16,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:16,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 157 transitions. [2020-11-29 21:37:16,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2020-11-29 21:37:16,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 103 states and 127 transitions. [2020-11-29 21:37:16,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-11-29 21:37:16,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2020-11-29 21:37:16,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 127 transitions. [2020-11-29 21:37:16,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:16,411 INFO L691 BuchiCegarLoop]: Abstraction has 103 states and 127 transitions. [2020-11-29 21:37:16,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 127 transitions. [2020-11-29 21:37:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2020-11-29 21:37:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-11-29 21:37:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 117 transitions. [2020-11-29 21:37:16,417 INFO L714 BuchiCegarLoop]: Abstraction has 93 states and 117 transitions. [2020-11-29 21:37:16,418 INFO L594 BuchiCegarLoop]: Abstraction has 93 states and 117 transitions. [2020-11-29 21:37:16,418 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-29 21:37:16,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 117 transitions. [2020-11-29 21:37:16,419 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2020-11-29 21:37:16,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:16,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:16,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-29 21:37:16,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:16,420 INFO L794 eck$LassoCheckResult]: Stem: 1514#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1512#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1513#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1568#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1564#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1556#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1557#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 1581#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1524#L550-1 [2020-11-29 21:37:16,420 INFO L796 eck$LassoCheckResult]: Loop: 1524#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1573#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1527#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1528#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 1523#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1524#L550-1 [2020-11-29 21:37:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:16,421 INFO L82 PathProgramCache]: Analyzing trace with hash 177757334, now seen corresponding path program 2 times [2020-11-29 21:37:16,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:16,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382660336] [2020-11-29 21:37:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,437 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:16,438 INFO L82 PathProgramCache]: Analyzing trace with hash 38429467, now seen corresponding path program 3 times [2020-11-29 21:37:16,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:16,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693171335] [2020-11-29 21:37:16,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,460 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,467 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:16,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:16,468 INFO L82 PathProgramCache]: Analyzing trace with hash -758277210, now seen corresponding path program 1 times [2020-11-29 21:37:16,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:16,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38369662] [2020-11-29 21:37:16,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:16,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:16,508 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:16,643 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-11-29 21:37:17,136 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2020-11-29 21:37:17,349 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-29 21:37:17,353 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:17,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:17,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:17,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:17,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:17,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:17,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:17,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:17,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration9_Lasso [2020-11-29 21:37:17,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:17,354 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:17,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2020-11-29 21:37:17,840 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-11-29 21:37:17,955 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-11-29 21:37:17,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:17,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:18,423 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-29 21:37:18,572 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-11-29 21:37:18,677 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:18,677 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:18,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:18,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:18,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,717 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 [2020-11-29 21:37:18,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:18,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:18,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,744 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 [2020-11-29 21:37:18,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:18,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:18,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:18,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:18,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:18,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:18,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:18,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:18,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:18,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:18,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,826 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 [2020-11-29 21:37:18,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:18,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:18,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:18,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,852 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 [2020-11-29 21:37:18,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:18,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:18,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,883 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 [2020-11-29 21:37:18,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:18,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:18,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:18,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:18,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:18,944 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 [2020-11-29 21:37:18,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:18,945 INFO L203 nArgumentSynthesizer]: 3 stem disjuncts [2020-11-29 21:37:18,945 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-29 21:37:18,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:18,972 INFO L401 nArgumentSynthesizer]: We have 42 Motzkin's Theorem applications. [2020-11-29 21:37:18,972 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-29 21:37:19,014 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:19,106 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-11-29 21:37:19,106 INFO L444 ModelExtractionUtils]: 7 out of 29 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:19,108 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:19,114 INFO L438 nArgumentSynthesizer]: Removed 5 redundant supporting invariants from a total of 6. [2020-11-29 21:37:19,114 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:19,114 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem4) = -2*ULTIMATE.start_main_#t~mem4 + 1 Supporting invariants [-1*ULTIMATE.start_main_#t~mem4 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_6 >= 0] [2020-11-29 21:37:19,172 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-11-29 21:37:19,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,286 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2020-11-29 21:37:19,287 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,292 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:19,293 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,293 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:21 [2020-11-29 21:37:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:19,310 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-11-29 21:37:19,310 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34 Second operand 6 states. [2020-11-29 21:37:19,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34. Second operand 6 states. Result 112 states and 137 transitions. Complement of second has 13 states. [2020-11-29 21:37:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2020-11-29 21:37:19,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 9 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-29 21:37:19,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:19,409 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:19,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,535 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2020-11-29 21:37:19,535 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,540 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:19,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,540 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:21 [2020-11-29 21:37:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:19,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2020-11-29 21:37:19,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34 Second operand 6 states. [2020-11-29 21:37:19,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34. Second operand 6 states. Result 112 states and 137 transitions. Complement of second has 13 states. [2020-11-29 21:37:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2020-11-29 21:37:19,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 9 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-29 21:37:19,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:19,647 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:19,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:19,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 21:37:19,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:19,751 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2020-11-29 21:37:19,752 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,758 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:19,758 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:19,759 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:21 [2020-11-29 21:37:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:19,776 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 5 loop predicates [2020-11-29 21:37:19,777 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34 Second operand 6 states. [2020-11-29 21:37:19,892 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 117 transitions. cyclomatic complexity: 34. Second operand 6 states. Result 152 states and 187 transitions. Complement of second has 12 states. [2020-11-29 21:37:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2020-11-29 21:37:19,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-29 21:37:19,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:19,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 13 letters. Loop has 5 letters. [2020-11-29 21:37:19,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:19,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2020-11-29 21:37:19,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:19,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 187 transitions. [2020-11-29 21:37:19,896 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 38 [2020-11-29 21:37:19,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 118 states and 146 transitions. [2020-11-29 21:37:19,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2020-11-29 21:37:19,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2020-11-29 21:37:19,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118 states and 146 transitions. [2020-11-29 21:37:19,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:19,899 INFO L691 BuchiCegarLoop]: Abstraction has 118 states and 146 transitions. [2020-11-29 21:37:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states and 146 transitions. [2020-11-29 21:37:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-11-29 21:37:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-29 21:37:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2020-11-29 21:37:19,908 INFO L714 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2020-11-29 21:37:19,908 INFO L594 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2020-11-29 21:37:19,909 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-29 21:37:19,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 130 transitions. [2020-11-29 21:37:19,910 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 34 [2020-11-29 21:37:19,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:19,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:19,910 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2020-11-29 21:37:19,911 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1] [2020-11-29 21:37:19,911 INFO L794 eck$LassoCheckResult]: Stem: 2234#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2232#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 2233#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2282#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2281#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2280#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2277#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 2274#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2272#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2271#L550-3 [2020-11-29 21:37:19,911 INFO L796 eck$LassoCheckResult]: Loop: 2271#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2270#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2265#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 2269#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2267#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2268#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2279#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2278#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 2276#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2273#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2271#L550-3 [2020-11-29 21:37:19,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1215510068, now seen corresponding path program 3 times [2020-11-29 21:37:19,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:19,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740136021] [2020-11-29 21:37:19,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:19,931 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:19,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,932 INFO L82 PathProgramCache]: Analyzing trace with hash -568421505, now seen corresponding path program 1 times [2020-11-29 21:37:19,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:19,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140624987] [2020-11-29 21:37:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:19,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:19,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1511384562, now seen corresponding path program 2 times [2020-11-29 21:37:19,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:19,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070366524] [2020-11-29 21:37:19,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:19,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:20,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:20,323 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2020-11-29 21:37:20,716 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 94 [2020-11-29 21:37:21,291 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-11-29 21:37:21,320 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:21,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:21,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:21,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:21,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:21,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:21,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:21,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:21,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration10_Lasso [2020-11-29 21:37:21,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:21,321 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:21,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2020-11-29 21:37:21,826 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-29 21:37:21,935 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-11-29 21:37:21,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:21,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:22,156 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-11-29 21:37:22,557 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-11-29 21:37:22,663 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:22,664 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,666 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 [2020-11-29 21:37:22,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:22,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:22,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,693 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 [2020-11-29 21:37:22,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:22,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:22,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:22,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:22,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:22,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,750 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 [2020-11-29 21:37:22,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:22,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:22,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,779 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 [2020-11-29 21:37:22,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,808 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 [2020-11-29 21:37:22,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,833 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 [2020-11-29 21:37:22,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,859 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 [2020-11-29 21:37:22,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,888 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 [2020-11-29 21:37:22,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:22,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:22,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,916 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 [2020-11-29 21:37:22,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,943 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 [2020-11-29 21:37:22,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:22,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:22,991 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 [2020-11-29 21:37:22,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:22,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:22,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:22,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:22,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:22,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:22,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:22,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:23,025 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 [2020-11-29 21:37:23,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:23,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:23,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:23,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:23,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:23,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:23,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:23,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:23,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:23,061 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2020-11-29 21:37:23,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:23,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:23,072 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:23,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:23,086 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:23,097 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 21:37:23,097 INFO L444 ModelExtractionUtils]: 17 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:23,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:23,101 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:23,101 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:23,101 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7 Supporting invariants [] [2020-11-29 21:37:23,157 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:23,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:23,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:23,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:23,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:23,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 21:37:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:23,222 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:23,222 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 44 [2020-11-29 21:37:23,223 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,224 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:23,250 INFO L625 ElimStorePlain]: treesize reduction 16, result has 61.0 percent of original size [2020-11-29 21:37:23,251 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-29 21:37:23,251 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:17 [2020-11-29 21:37:23,264 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,375 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:23,376 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 66 [2020-11-29 21:37:23,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 21:37:23,379 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-29 21:37:23,381 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:23,418 INFO L625 ElimStorePlain]: treesize reduction 74, result has 30.8 percent of original size [2020-11-29 21:37:23,419 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,421 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 21:37:23,422 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:33 [2020-11-29 21:37:23,422 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:23,492 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2020-11-29 21:37:23,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 102 states and 130 transitions. cyclomatic complexity: 38 Second operand 8 states. [2020-11-29 21:37:23,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 102 states and 130 transitions. cyclomatic complexity: 38. Second operand 8 states. Result 188 states and 228 transitions. Complement of second has 17 states. [2020-11-29 21:37:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-29 21:37:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2020-11-29 21:37:23,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 9 letters. Loop has 10 letters. [2020-11-29 21:37:23,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:23,716 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:23,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:23,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:23,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:23,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 21:37:23,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:23,787 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:23,788 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 44 [2020-11-29 21:37:23,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:23,825 INFO L625 ElimStorePlain]: treesize reduction 16, result has 61.0 percent of original size [2020-11-29 21:37:23,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-29 21:37:23,828 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:17 [2020-11-29 21:37:23,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:23,951 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:23,951 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 66 [2020-11-29 21:37:23,953 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-29 21:37:23,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 21:37:23,956 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:24,011 INFO L625 ElimStorePlain]: treesize reduction 56, result has 57.3 percent of original size [2020-11-29 21:37:24,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,014 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 21:37:24,015 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:75 [2020-11-29 21:37:24,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,060 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:24,091 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2020-11-29 21:37:24,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 102 states and 130 transitions. cyclomatic complexity: 38 Second operand 8 states. [2020-11-29 21:37:24,368 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 102 states and 130 transitions. cyclomatic complexity: 38. Second operand 8 states. Result 229 states and 278 transitions. Complement of second has 21 states. [2020-11-29 21:37:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-29 21:37:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 25 transitions. [2020-11-29 21:37:24,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 25 transitions. Stem has 9 letters. Loop has 10 letters. [2020-11-29 21:37:24,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:24,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 25 transitions. Stem has 19 letters. Loop has 10 letters. [2020-11-29 21:37:24,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:24,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 25 transitions. Stem has 9 letters. Loop has 20 letters. [2020-11-29 21:37:24,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:24,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 229 states and 278 transitions. [2020-11-29 21:37:24,375 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 39 [2020-11-29 21:37:24,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 229 states to 181 states and 224 transitions. [2020-11-29 21:37:24,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2020-11-29 21:37:24,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2020-11-29 21:37:24,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 224 transitions. [2020-11-29 21:37:24,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:24,379 INFO L691 BuchiCegarLoop]: Abstraction has 181 states and 224 transitions. [2020-11-29 21:37:24,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 224 transitions. [2020-11-29 21:37:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 125. [2020-11-29 21:37:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 21:37:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2020-11-29 21:37:24,387 INFO L714 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-29 21:37:24,387 INFO L594 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-29 21:37:24,387 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-29 21:37:24,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2020-11-29 21:37:24,388 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 39 [2020-11-29 21:37:24,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:24,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:24,389 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2020-11-29 21:37:24,389 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:24,389 INFO L794 eck$LassoCheckResult]: Stem: 2998#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2992#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 2993#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3074#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3075#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3111#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 3014#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 3015#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3011#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2994#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2995#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 3029#L559 [2020-11-29 21:37:24,390 INFO L796 eck$LassoCheckResult]: Loop: 3029#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 3035#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3032#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3030#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3028#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 3029#L559 [2020-11-29 21:37:24,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:24,390 INFO L82 PathProgramCache]: Analyzing trace with hash -125928577, now seen corresponding path program 4 times [2020-11-29 21:37:24,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:24,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111651712] [2020-11-29 21:37:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,409 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:24,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash 60247599, now seen corresponding path program 1 times [2020-11-29 21:37:24,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:24,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581046284] [2020-11-29 21:37:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,421 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:24,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:24,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1693471089, now seen corresponding path program 5 times [2020-11-29 21:37:24,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:24,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158593275] [2020-11-29 21:37:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,431 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:24,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:24,444 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:24,557 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-11-29 21:37:24,958 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 92 [2020-11-29 21:37:25,069 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-29 21:37:25,072 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:25,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:25,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:25,072 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:25,072 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:25,072 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:25,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:25,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration11_Lasso [2020-11-29 21:37:25,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:25,073 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:25,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,282 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-11-29 21:37:25,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:25,722 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:25,722 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,726 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 [2020-11-29 21:37:25,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:25,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:25,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:25,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:25,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:25,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:25,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:25,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:25,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:25,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:25,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:25,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,857 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 [2020-11-29 21:37:25,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,883 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 [2020-11-29 21:37:25,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,908 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 [2020-11-29 21:37:25,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,933 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 [2020-11-29 21:37:25,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,959 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 [2020-11-29 21:37:25,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:25,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:25,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:25,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:25,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:25,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:25,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:25,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:25,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:25,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,010 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 [2020-11-29 21:37:26,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,038 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 [2020-11-29 21:37:26,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:26,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:26,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:26,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,068 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 [2020-11-29 21:37:26,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,114 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 [2020-11-29 21:37:26,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,141 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 [2020-11-29 21:37:26,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,179 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 [2020-11-29 21:37:26,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,210 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 [2020-11-29 21:37:26,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,245 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 [2020-11-29 21:37:26,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:26,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:26,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:26,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:26,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:26,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:26,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:26,259 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-29 21:37:26,259 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:26,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:26,263 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:26,263 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:26,263 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_8 Supporting invariants [] [2020-11-29 21:37:26,311 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:26,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:26,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:26,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:26,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:26,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 21:37:26,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:26,381 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:26,381 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 44 [2020-11-29 21:37:26,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:26,393 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:26,415 INFO L625 ElimStorePlain]: treesize reduction 16, result has 61.0 percent of original size [2020-11-29 21:37:26,416 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-29 21:37:26,416 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:17 [2020-11-29 21:37:26,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:26,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:26,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-29 21:37:26,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 125 states and 159 transitions. cyclomatic complexity: 46 Second operand 5 states. [2020-11-29 21:37:26,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 125 states and 159 transitions. cyclomatic complexity: 46. Second operand 5 states. Result 253 states and 306 transitions. Complement of second has 9 states. [2020-11-29 21:37:26,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2020-11-29 21:37:26,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:26,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:26,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 16 letters. Loop has 5 letters. [2020-11-29 21:37:26,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:26,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 10 letters. [2020-11-29 21:37:26,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:26,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 306 transitions. [2020-11-29 21:37:26,638 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 54 [2020-11-29 21:37:26,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 210 states and 257 transitions. [2020-11-29 21:37:26,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2020-11-29 21:37:26,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2020-11-29 21:37:26,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 257 transitions. [2020-11-29 21:37:26,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:26,641 INFO L691 BuchiCegarLoop]: Abstraction has 210 states and 257 transitions. [2020-11-29 21:37:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 257 transitions. [2020-11-29 21:37:26,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 139. [2020-11-29 21:37:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-29 21:37:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 178 transitions. [2020-11-29 21:37:26,648 INFO L714 BuchiCegarLoop]: Abstraction has 139 states and 178 transitions. [2020-11-29 21:37:26,648 INFO L594 BuchiCegarLoop]: Abstraction has 139 states and 178 transitions. [2020-11-29 21:37:26,648 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-29 21:37:26,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 178 transitions. [2020-11-29 21:37:26,649 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 39 [2020-11-29 21:37:26,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:26,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:26,650 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2020-11-29 21:37:26,650 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:26,650 INFO L794 eck$LassoCheckResult]: Stem: 3494#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3492#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 3493#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3549#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3605#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3606#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3600#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 3598#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3597#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3596#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3595#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3499#L552 [2020-11-29 21:37:26,650 INFO L796 eck$LassoCheckResult]: Loop: 3499#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 3500#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3503#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3495#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3496#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3499#L552 [2020-11-29 21:37:26,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:26,651 INFO L82 PathProgramCache]: Analyzing trace with hash -364197003, now seen corresponding path program 2 times [2020-11-29 21:37:26,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:26,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614637620] [2020-11-29 21:37:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,668 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:26,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:26,669 INFO L82 PathProgramCache]: Analyzing trace with hash 52859423, now seen corresponding path program 4 times [2020-11-29 21:37:26,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:26,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803671245] [2020-11-29 21:37:26,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,678 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:26,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:26,679 INFO L82 PathProgramCache]: Analyzing trace with hash 617926443, now seen corresponding path program 1 times [2020-11-29 21:37:26,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:26,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333900809] [2020-11-29 21:37:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:26,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:26,699 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:26,826 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-11-29 21:37:27,235 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 92 [2020-11-29 21:37:27,324 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:27,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:27,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:27,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:27,325 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:27,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:27,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:27,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:27,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration12_Lasso [2020-11-29 21:37:27,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:27,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:27,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,587 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-11-29 21:37:27,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:27,956 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-11-29 21:37:28,185 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:28,185 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,188 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 [2020-11-29 21:37:28,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:28,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:28,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:28,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,218 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 [2020-11-29 21:37:28,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,245 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 [2020-11-29 21:37:28,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:28,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:28,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:28,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,269 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 [2020-11-29 21:37:28,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:28,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,327 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 [2020-11-29 21:37:28,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:28,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:28,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:28,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,352 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 [2020-11-29 21:37:28,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:28,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:28,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:28,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,377 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 [2020-11-29 21:37:28,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,405 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 [2020-11-29 21:37:28,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:28,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:28,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:28,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,432 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 [2020-11-29 21:37:28,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:28,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,493 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 [2020-11-29 21:37:28,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:28,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:28,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:28,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:28,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:28,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:28,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:28,508 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 21:37:28,508 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:28,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:28,512 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:28,512 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:28,512 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_9) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_9 Supporting invariants [] [2020-11-29 21:37:28,561 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:28,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,620 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 21:37:28,621 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,623 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:28,623 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,623 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2020-11-29 21:37:28,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:28,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-29 21:37:28,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53 Second operand 5 states. [2020-11-29 21:37:28,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53. Second operand 5 states. Result 164 states and 206 transitions. Complement of second has 9 states. [2020-11-29 21:37:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-11-29 21:37:28,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:28,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:28,716 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:28,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 21:37:28,782 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:28,791 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,791 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2020-11-29 21:37:28,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:28,863 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-29 21:37:28,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53 Second operand 5 states. [2020-11-29 21:37:28,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53. Second operand 5 states. Result 159 states and 200 transitions. Complement of second has 9 states. [2020-11-29 21:37:28,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2020-11-29 21:37:28,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:28,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:28,920 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:28,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:28,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:28,984 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 21:37:28,985 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:28,988 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:28,988 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2020-11-29 21:37:29,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:29,086 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 4 loop predicates [2020-11-29 21:37:29,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53 Second operand 5 states. [2020-11-29 21:37:29,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 178 transitions. cyclomatic complexity: 53. Second operand 5 states. Result 199 states and 248 transitions. Complement of second has 8 states. [2020-11-29 21:37:29,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-29 21:37:29,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 5 letters. [2020-11-29 21:37:29,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:29,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 16 letters. Loop has 5 letters. [2020-11-29 21:37:29,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:29,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 10 letters. [2020-11-29 21:37:29,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:29,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 248 transitions. [2020-11-29 21:37:29,125 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2020-11-29 21:37:29,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 157 states and 196 transitions. [2020-11-29 21:37:29,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2020-11-29 21:37:29,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2020-11-29 21:37:29,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 196 transitions. [2020-11-29 21:37:29,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:29,128 INFO L691 BuchiCegarLoop]: Abstraction has 157 states and 196 transitions. [2020-11-29 21:37:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 196 transitions. [2020-11-29 21:37:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 103. [2020-11-29 21:37:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-29 21:37:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 132 transitions. [2020-11-29 21:37:29,132 INFO L714 BuchiCegarLoop]: Abstraction has 103 states and 132 transitions. [2020-11-29 21:37:29,132 INFO L594 BuchiCegarLoop]: Abstraction has 103 states and 132 transitions. [2020-11-29 21:37:29,132 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-29 21:37:29,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 132 transitions. [2020-11-29 21:37:29,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 24 [2020-11-29 21:37:29,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:29,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:29,134 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 21:37:29,134 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1] [2020-11-29 21:37:29,135 INFO L794 eck$LassoCheckResult]: Stem: 4403#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4397#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 4398#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4408#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4486#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4485#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 4484#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 4449#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4460#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4466#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4463#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 4464#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 4437#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4415#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4399#L550-3 [2020-11-29 21:37:29,135 INFO L796 eck$LassoCheckResult]: Loop: 4399#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4400#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 4441#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 4405#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4432#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4416#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4480#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 4479#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 4478#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4477#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4399#L550-3 [2020-11-29 21:37:29,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:29,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2032003036, now seen corresponding path program 2 times [2020-11-29 21:37:29,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:29,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198163711] [2020-11-29 21:37:29,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:29,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:29,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:29,158 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:29,159 INFO L82 PathProgramCache]: Analyzing trace with hash -568421505, now seen corresponding path program 2 times [2020-11-29 21:37:29,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:29,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994632371] [2020-11-29 21:37:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:29,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:29,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:29,180 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:29,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:29,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2122783714, now seen corresponding path program 1 times [2020-11-29 21:37:29,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:29,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323497045] [2020-11-29 21:37:29,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 21:37:29,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323497045] [2020-11-29 21:37:29,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314352403] [2020-11-29 21:37:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:37:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:29,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-29 21:37:29,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:29,420 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:29,465 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:29,465 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2020-11-29 21:37:29,466 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:37:29,471 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-29 21:37:29,472 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-11-29 21:37:29,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:29,479 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-11-29 21:37:29,479 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:12 [2020-11-29 21:37:29,501 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:37:29,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 21:37:29,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 21:37:29,583 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2020-11-29 21:37:29,584 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:29,590 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2020-11-29 21:37:29,591 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:29,607 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:29,609 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:29,610 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:103, output treesize:9 [2020-11-29 21:37:29,649 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2020-11-29 21:37:29,650 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:29,655 INFO L625 ElimStorePlain]: treesize reduction 4, result has 42.9 percent of original size [2020-11-29 21:37:29,655 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:29,655 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2020-11-29 21:37:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:37:29,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 21:37:29,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 16 [2020-11-29 21:37:29,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899210377] [2020-11-29 21:37:29,938 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2020-11-29 21:37:30,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:37:30,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-29 21:37:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-29 21:37:30,005 INFO L87 Difference]: Start difference. First operand 103 states and 132 transitions. cyclomatic complexity: 38 Second operand 16 states. [2020-11-29 21:37:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:37:30,312 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2020-11-29 21:37:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 21:37:30,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 139 transitions. [2020-11-29 21:37:30,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2020-11-29 21:37:30,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 66 states and 80 transitions. [2020-11-29 21:37:30,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-11-29 21:37:30,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2020-11-29 21:37:30,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 80 transitions. [2020-11-29 21:37:30,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:30,315 INFO L691 BuchiCegarLoop]: Abstraction has 66 states and 80 transitions. [2020-11-29 21:37:30,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 80 transitions. [2020-11-29 21:37:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-11-29 21:37:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-11-29 21:37:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-11-29 21:37:30,317 INFO L714 BuchiCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-11-29 21:37:30,317 INFO L594 BuchiCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-11-29 21:37:30,318 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-29 21:37:30,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 76 transitions. [2020-11-29 21:37:30,318 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2020-11-29 21:37:30,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:30,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:30,319 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1] [2020-11-29 21:37:30,319 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:30,319 INFO L794 eck$LassoCheckResult]: Stem: 4727#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4721#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 4722#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4761#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4760#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4759#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 4758#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 4754#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4757#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4756#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4755#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 4753#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 4729#L559-2 [2020-11-29 21:37:30,319 INFO L796 eck$LassoCheckResult]: Loop: 4729#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 4750#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 4747#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4745#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 4744#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 4729#L559-2 [2020-11-29 21:37:30,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:30,320 INFO L82 PathProgramCache]: Analyzing trace with hash 391181443, now seen corresponding path program 6 times [2020-11-29 21:37:30,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:30,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634237847] [2020-11-29 21:37:30,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:30,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:30,340 INFO L82 PathProgramCache]: Analyzing trace with hash 35409681, now seen corresponding path program 3 times [2020-11-29 21:37:30,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:30,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739043384] [2020-11-29 21:37:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,350 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:30,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:30,350 INFO L82 PathProgramCache]: Analyzing trace with hash 957995983, now seen corresponding path program 3 times [2020-11-29 21:37:30,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:30,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126032647] [2020-11-29 21:37:30,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:30,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:30,373 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:30,525 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-11-29 21:37:31,254 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 106 [2020-11-29 21:37:31,447 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-29 21:37:31,451 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:31,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:31,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:31,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:31,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:31,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:31,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:31,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:31,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration14_Lasso [2020-11-29 21:37:31,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:31,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:31,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,655 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-11-29 21:37:31,758 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-11-29 21:37:31,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:31,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:32,123 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:32,123 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,126 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 [2020-11-29 21:37:32,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,155 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 [2020-11-29 21:37:32,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:32,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,180 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 [2020-11-29 21:37:32,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:32,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,206 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 [2020-11-29 21:37:32,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,257 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 [2020-11-29 21:37:32,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:32,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,362 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 [2020-11-29 21:37:32,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:32,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,409 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 [2020-11-29 21:37:32,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,451 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 [2020-11-29 21:37:32,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,494 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 [2020-11-29 21:37:32,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,543 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 [2020-11-29 21:37:32,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:32,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:32,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,639 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 [2020-11-29 21:37:32,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:32,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,641 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:32,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:32,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:32,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,685 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 [2020-11-29 21:37:32,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:32,740 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 [2020-11-29 21:37:32,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,795 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 [2020-11-29 21:37:32,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,834 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 [2020-11-29 21:37:32,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,866 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 [2020-11-29 21:37:32,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 134 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,897 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 [2020-11-29 21:37:32,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,925 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 [2020-11-29 21:37:32,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:32,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:32,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:32,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:32,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:32,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:32,934 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:32,939 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 21:37:32,939 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 136 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:32,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:32,944 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 21:37:32,944 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:32,944 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_10) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_10 Supporting invariants [] [2020-11-29 21:37:32,995 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:32,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:33,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,063 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 21:37:33,064 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,068 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:33,069 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,069 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:6 [2020-11-29 21:37:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:33,120 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 21:37:33,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20 Second operand 6 states. [2020-11-29 21:37:33,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20. Second operand 6 states. Result 101 states and 117 transitions. Complement of second has 8 states. [2020-11-29 21:37:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-29 21:37:33,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-29 21:37:33,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:33,183 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:33,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,228 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 21:37:33,232 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,236 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:33,236 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,236 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:6 [2020-11-29 21:37:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:33,278 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 21:37:33,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20 Second operand 6 states. [2020-11-29 21:37:33,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20. Second operand 6 states. Result 101 states and 117 transitions. Complement of second has 8 states. [2020-11-29 21:37:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-29 21:37:33,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-29 21:37:33,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:33,341 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:37:33,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,393 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 21:37:33,394 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:33,400 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:33,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:6 [2020-11-29 21:37:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:33,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:37:33,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:33,448 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 21:37:33,448 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20 Second operand 6 states. [2020-11-29 21:37:33,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 76 transitions. cyclomatic complexity: 20. Second operand 6 states. Result 107 states and 127 transitions. Complement of second has 11 states. [2020-11-29 21:37:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 21:37:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2020-11-29 21:37:33,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-29 21:37:33,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:33,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 17 letters. Loop has 5 letters. [2020-11-29 21:37:33,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:33,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 12 letters. Loop has 10 letters. [2020-11-29 21:37:33,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:33,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 127 transitions. [2020-11-29 21:37:33,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21 [2020-11-29 21:37:33,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 53 states and 61 transitions. [2020-11-29 21:37:33,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-29 21:37:33,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-11-29 21:37:33,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 61 transitions. [2020-11-29 21:37:33,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:37:33,615 INFO L691 BuchiCegarLoop]: Abstraction has 53 states and 61 transitions. [2020-11-29 21:37:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 61 transitions. [2020-11-29 21:37:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 30. [2020-11-29 21:37:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 21:37:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2020-11-29 21:37:33,616 INFO L714 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2020-11-29 21:37:33,616 INFO L594 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2020-11-29 21:37:33,616 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-29 21:37:33,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2020-11-29 21:37:33,617 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2020-11-29 21:37:33,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:37:33,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:37:33,617 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2020-11-29 21:37:33,617 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 21:37:33,617 INFO L794 eck$LassoCheckResult]: Stem: 5361#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5355#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 5356#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 5367#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 5359#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 5360#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 5366#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 5364#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 5363#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 5357#L550-3 [2020-11-29 21:37:33,618 INFO L796 eck$LassoCheckResult]: Loop: 5357#L550-3 assume !!main_#t~short6;havoc main_#t~mem5;havoc main_#t~mem4;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 5358#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 5365#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 5362#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 5363#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 5357#L550-3 [2020-11-29 21:37:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1215508146, now seen corresponding path program 4 times [2020-11-29 21:37:33,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:33,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195483167] [2020-11-29 21:37:33,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash 46149369, now seen corresponding path program 2 times [2020-11-29 21:37:33,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:33,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471540934] [2020-11-29 21:37:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,652 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:33,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1222408472, now seen corresponding path program 3 times [2020-11-29 21:37:33,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:37:33,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372896158] [2020-11-29 21:37:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:37:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:37:33,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:37:33,679 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:37:33,818 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-29 21:37:34,163 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 87 [2020-11-29 21:37:34,305 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-29 21:37:34,309 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:37:34,310 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:37:34,310 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:37:34,310 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:37:34,310 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:37:34,310 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:34,310 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:37:34,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:37:34,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration15_Lasso [2020-11-29 21:37:34,310 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:37:34,310 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:37:34,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,628 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-11-29 21:37:34,750 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-29 21:37:34,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:34,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:37:35,326 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-11-29 21:37:35,468 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:37:35,468 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,472 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 [2020-11-29 21:37:35,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,499 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 [2020-11-29 21:37:35,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:35,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,540 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:35,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,549 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-29 21:37:35,549 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:35,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 140 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,585 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 [2020-11-29 21:37:35,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 141 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,612 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 [2020-11-29 21:37:35,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,645 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 [2020-11-29 21:37:35,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,647 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:35,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,666 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-29 21:37:35,666 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:35,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,704 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 [2020-11-29 21:37:35,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,735 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 [2020-11-29 21:37:35,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 145 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 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,766 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 [2020-11-29 21:37:35,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 146 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 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,794 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 [2020-11-29 21:37:35,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 147 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 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,819 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 [2020-11-29 21:37:35,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 148 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 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,845 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 [2020-11-29 21:37:35,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 149 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 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,873 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 [2020-11-29 21:37:35,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 150 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 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:35,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 151 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 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:35,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 152 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 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,950 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 [2020-11-29 21:37:35,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:35,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:35,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:35,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 153 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 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:35,977 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 [2020-11-29 21:37:35,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:35,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:35,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:35,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:35,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:35,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:35,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 154 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 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,005 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 [2020-11-29 21:37:36,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:36,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:36,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 155 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 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,031 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 [2020-11-29 21:37:36,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:36,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:37:36,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:37:36,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 156 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 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,058 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 [2020-11-29 21:37:36,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:36,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:36,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 157 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 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,083 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 [2020-11-29 21:37:36,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:37:36,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:37:36,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 21:37:36,106 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 158 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 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,108 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 [2020-11-29 21:37:36,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,112 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,112 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 159 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 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:36,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,141 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,155 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,155 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 160 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 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,189 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 [2020-11-29 21:37:36,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,191 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:36,191 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,210 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-11-29 21:37:36,210 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-29 21:37:36,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 161 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 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,264 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 [2020-11-29 21:37:36,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,268 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,268 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 162 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 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,293 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 [2020-11-29 21:37:36,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,295 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,300 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,300 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 163 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 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,331 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 [2020-11-29 21:37:36,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,333 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:36,333 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,372 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-11-29 21:37:36,372 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-29 21:37:36,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 164 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 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,413 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 [2020-11-29 21:37:36,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,415 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,418 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,419 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 165 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 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,446 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 [2020-11-29 21:37:36,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,448 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,451 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,452 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 166 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 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,480 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 [2020-11-29 21:37:36,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,482 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,484 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,484 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 167 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 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,512 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 [2020-11-29 21:37:36,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,513 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,514 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 168 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 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,537 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 [2020-11-29 21:37:36,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,539 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,539 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 169 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 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,563 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 [2020-11-29 21:37:36,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,567 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,567 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 170 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 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,592 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 [2020-11-29 21:37:36,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,594 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,595 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 171 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 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:36,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,620 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,621 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 172 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 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,645 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 [2020-11-29 21:37:36,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,647 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,647 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 173 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 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:36,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,672 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,673 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 174 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 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,697 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 [2020-11-29 21:37:36,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,698 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,701 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,701 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 175 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 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,738 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 [2020-11-29 21:37:36,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,740 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,740 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 176 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 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:36,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,767 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,769 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:36,769 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:36,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 177 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 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,796 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 [2020-11-29 21:37:36,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,798 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,798 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 178 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 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:36,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:36,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,825 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:36,825 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 21:37:36,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:36,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 21:37:36,848 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 179 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 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,853 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 [2020-11-29 21:37:36,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:36,858 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:36,858 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:36,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:36,905 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 [2020-11-29 21:37:36,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:36,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:36,928 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:36,929 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:36,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:36,993 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 [2020-11-29 21:37:36,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:36,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:36,996 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:36,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,022 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-11-29 21:37:37,022 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-29 21:37:37,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 182 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 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,076 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 [2020-11-29 21:37:37,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,078 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,081 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,081 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 183 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 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,109 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 [2020-11-29 21:37:37,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,112 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,119 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,119 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 184 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 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,152 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 [2020-11-29 21:37:37,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,155 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:37,155 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,171 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-11-29 21:37:37,171 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-29 21:37:37,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 185 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 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,220 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 [2020-11-29 21:37:37,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,222 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,227 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,227 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 186 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 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,258 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 [2020-11-29 21:37:37,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,260 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,265 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,265 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 187 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 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,296 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 [2020-11-29 21:37:37,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,298 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,300 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,300 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 188 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 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,332 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 [2020-11-29 21:37:37,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,334 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 189 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 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,360 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 [2020-11-29 21:37:37,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,362 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 190 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 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,387 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 [2020-11-29 21:37:37,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,392 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,392 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 191 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 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,430 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 [2020-11-29 21:37:37,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 192 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 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,460 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 [2020-11-29 21:37:37,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,463 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,463 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 193 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 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:37,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,490 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 194 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 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,516 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 [2020-11-29 21:37:37,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,518 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 195 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 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,543 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 [2020-11-29 21:37:37,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,545 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,548 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,548 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 196 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 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,575 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 [2020-11-29 21:37:37,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,579 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 197 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 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,625 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 [2020-11-29 21:37:37,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,629 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 21:37:37,629 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 21:37:37,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 198 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 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,671 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 [2020-11-29 21:37:37,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 199 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 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,699 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 [2020-11-29 21:37:37,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:37,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,701 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 21:37:37,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 21:37:37,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:37,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 21:37:37,724 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 200 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 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,726 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 [2020-11-29 21:37:37,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,729 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:37,731 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:37,731 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-29 21:37:37,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 201 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 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,760 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 [2020-11-29 21:37:37,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,764 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:37,787 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:37,787 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-29 21:37:37,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 202 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 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,831 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 [2020-11-29 21:37:37,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,834 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:37,834 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:37,865 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-11-29 21:37:37,865 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-11-29 21:37:37,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 203 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 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:37,923 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 [2020-11-29 21:37:37,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,925 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:37,928 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:37,928 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-29 21:37:37,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:37,995 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 [2020-11-29 21:37:37,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:37,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:37,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:37,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,011 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,012 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,071 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 [2020-11-29 21:37:38,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,075 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:38,075 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,103 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-11-29 21:37:38,104 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-11-29 21:37:38,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,192 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 [2020-11-29 21:37:38,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,204 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,205 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,260 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 [2020-11-29 21:37:38,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,273 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,273 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,327 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 [2020-11-29 21:37:38,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,334 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,334 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,380 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 [2020-11-29 21:37:38,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,384 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,431 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 [2020-11-29 21:37:38,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,434 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,435 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,479 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 [2020-11-29 21:37:38,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,482 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,486 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,486 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,533 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 [2020-11-29 21:37:38,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,536 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 213 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,580 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 [2020-11-29 21:37:38,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,583 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,584 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 213 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 214 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,626 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 [2020-11-29 21:37:38,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,629 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,630 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 214 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 215 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:38,673 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 [2020-11-29 21:37:38,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,676 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,677 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 215 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 216 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 216 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,715 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 [2020-11-29 21:37:38,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,717 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,720 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,720 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-29 21:37:38,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 217 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 217 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,750 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 [2020-11-29 21:37:38,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,752 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,753 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:38,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 218 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 218 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,779 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 [2020-11-29 21:37:38,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,785 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-29 21:37:38,785 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-29 21:37:38,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 219 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 219 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,852 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 [2020-11-29 21:37:38,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,854 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,855 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:38,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 220 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 220 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,880 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 [2020-11-29 21:37:38,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:37:38,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:37:38,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,883 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 21:37:38,883 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 21:37:38,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:37:38,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 21:37:38,907 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 221 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 221 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,909 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 [2020-11-29 21:37:38,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 21:37:38,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 21:37:38,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:38,916 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:38,916 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:38,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 222 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 222 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:38,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:37:38,951 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 21:37:38,951 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 21:37:38,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:38,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:37:38,951 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:38,961 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 21:37:38,961 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 21:37:38,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 223 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:37:39,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 223 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:39,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 21:37:39,004 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 21:37:39,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:37:39,004 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 21:37:39,004 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 21:37:39,018 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-11-29 21:37:39,018 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-29 21:37:39,054 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:37:39,108 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2020-11-29 21:37:39,108 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6fe1e9a1-503b-4290-b04f-49c6f414207b/bin/uautomizer/z3 Starting monitored process 224 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 224 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:37:39,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:37:39,116 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2020-11-29 21:37:39,117 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:37:39,117 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_11 f1 = 1*v_rep(ite ULTIMATE.start_main_#t~short6 1 0)_11 Supporting invariants [] [2020-11-29 21:37:39,174 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 21:37:39,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:39,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:39,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:37:39,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:37:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:39,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:37:39,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:39,235 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 21:37:39,238 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,242 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 21:37:39,243 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,243 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:6 [2020-11-29 21:37:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:37:39,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 21:37:39,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:37:39,308 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 21:37:39,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 21:37:39,311 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 21:37:39,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 21:37:39,333 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 26 [2020-11-29 21:37:39,334 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 21:37:39,351 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 23 [2020-11-29 21:37:39,351 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 21:37:39,378 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2020-11-29 21:37:39,379 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,388 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2020-11-29 21:37:39,389 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-29 21:37:39,464 INFO L625 ElimStorePlain]: treesize reduction 69, result has 46.9 percent of original size [2020-11-29 21:37:39,465 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-29 21:37:39,465 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:244, output treesize:47 [2020-11-29 21:37:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:37:39,496 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 21:37:39,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-11-29 21:37:39,621 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 67 states and 81 transitions. Complement of second has 7 states. [2020-11-29 21:37:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:37:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 21:37:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2020-11-29 21:37:39,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 5 letters. [2020-11-29 21:37:39,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:39,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 14 letters. Loop has 5 letters. [2020-11-29 21:37:39,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:39,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 10 letters. [2020-11-29 21:37:39,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:37:39,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 81 transitions. [2020-11-29 21:37:39,631 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 21:37:39,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2020-11-29 21:37:39,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 21:37:39,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 21:37:39,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 21:37:39,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 21:37:39,631 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:37:39,631 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:37:39,631 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:37:39,632 INFO L427 BuchiCegarLoop]: ======== Iteration 16============ [2020-11-29 21:37:39,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:37:39,632 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 21:37:39,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 21:37:39,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 09:37:39 BoogieIcfgContainer [2020-11-29 21:37:39,639 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 21:37:39,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:37:39,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:37:39,643 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:37:39,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:37:03" (3/4) ... [2020-11-29 21:37:39,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:37:39,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:37:39,649 INFO L168 Benchmark]: Toolchain (without parser) took 37745.06 ms. Allocated memory was 92.3 MB in the beginning and 415.2 MB in the end (delta: 323.0 MB). Free memory was 69.2 MB in the beginning and 274.4 MB in the end (delta: -205.2 MB). Peak memory consumption was 117.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:37:39,649 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 55.4 MB in the end (delta: 134.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:37:39,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.15 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 60.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:37:39,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 59.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:37:39,651 INFO L168 Benchmark]: Boogie Preprocessor took 25.21 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 57.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:37:39,652 INFO L168 Benchmark]: RCFGBuilder took 533.61 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 43.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:37:39,653 INFO L168 Benchmark]: BuchiAutomizer took 36594.38 ms. Allocated memory was 92.3 MB in the beginning and 415.2 MB in the end (delta: 323.0 MB). Free memory was 43.2 MB in the beginning and 274.4 MB in the end (delta: -231.2 MB). Peak memory consumption was 93.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:37:39,653 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 415.2 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:37:39,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 55.4 MB in the end (delta: 134.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.15 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 60.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 59.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.21 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 57.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 533.61 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 43.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 36594.38 ms. Allocated memory was 92.3 MB in the beginning and 415.2 MB in the end (delta: 323.0 MB). Free memory was 43.2 MB in the beginning and 274.4 MB in the end (delta: -231.2 MB). Peak memory consumption was 93.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 415.2 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (4 trivial, 8 deterministic, 3 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 11 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has 2-phase ranking function (if unknown-#memory_int-unknown[y][y] > 0 then 1 else 0), (if unknown-#memory_int-unknown[y][y] > 0 then unknown-#memory_int-unknown[y][y] else (if aux-*x != 0 && *y > 0-aux then 1 else 0)) and consists of 5 locations. One nondeterministic module has affine ranking function -2 * aux-x-aux + 1 and consists of 7 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. 4 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.5s and 16 iterations. TraceHistogramMax:3. Analysis of lassos took 30.5s. Construction of modules took 1.0s. Büchi inclusion checks took 4.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 14. Automata minimization 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 272 StatesRemovedByMinimization, 12 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 11. Nontrivial modules had stage [7, 1, 3, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/5 HoareTripleCheckerStatistics: 148 SDtfs, 231 SDslu, 90 SDs, 0 SdLazy, 842 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso11 LassoPreprocessingBenchmarks: Lassos: inital278 mio100 ax107 hnf99 lsp92 ukn60 mio100 lsp38 div100 bol102 ite100 ukn100 eq175 hnf90 smp91 dnf131 smp89 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 172ms VariablesStem: 5 VariablesLoop: 5 DisjunctsStem: 3 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 42 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...