./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9ecf0997a3226968b15d351ec48dae1cc4b70e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:46:47,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:46:47,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:46:47,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:46:47,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:46:47,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:46:47,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:46:47,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:46:47,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:46:47,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:46:47,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:46:47,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:46:47,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:46:47,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:46:47,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:46:47,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:46:47,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:46:47,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:46:47,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:46:47,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:46:47,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:46:47,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:46:47,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:46:47,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:46:47,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:46:47,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:46:47,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:46:47,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:46:47,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:46:47,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:46:47,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:46:47,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:46:47,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:46:47,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:46:47,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:46:47,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:46:47,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:46:47,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:46:47,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:46:47,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:46:47,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:46:47,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:46:47,645 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:46:47,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:46:47,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:46:47,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:46:47,649 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:46:47,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:46:47,649 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:46:47,649 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:46:47,650 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:46:47,650 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:46:47,651 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:46:47,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:46:47,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:46:47,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:46:47,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:46:47,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:46:47,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:46:47,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:46:47,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:46:47,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:46:47,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:46:47,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:46:47,661 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:46:47,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:46:47,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:46:47,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:46:47,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:46:47,663 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:46:47,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:46:47,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:46:47,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:46:47,666 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:46:47,667 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:46:47,667 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_0094abea-94d1-48ae-aefb-11ef30781021/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9ecf0997a3226968b15d351ec48dae1cc4b70e9 [2020-11-30 00:46:47,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:46:48,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:46:48,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:46:48,025 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:46:48,026 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:46:48,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/../../sv-benchmarks/c/loop-lit/jm2006_variant.i [2020-11-30 00:46:48,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/data/1938fcf30/03efa45b71884e019aa6af9f8042e673/FLAGef359d9d1 [2020-11-30 00:46:48,608 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:46:48,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/sv-benchmarks/c/loop-lit/jm2006_variant.i [2020-11-30 00:46:48,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/data/1938fcf30/03efa45b71884e019aa6af9f8042e673/FLAGef359d9d1 [2020-11-30 00:46:49,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/data/1938fcf30/03efa45b71884e019aa6af9f8042e673 [2020-11-30 00:46:49,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:46:49,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:46:49,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:49,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:46:49,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:46:49,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b991d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49, skipping insertion in model container [2020-11-30 00:46:49,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:46:49,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:46:49,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:49,231 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:46:49,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:49,261 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:46:49,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49 WrapperNode [2020-11-30 00:46:49,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:49,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:49,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:46:49,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:46:49,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:49,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:46:49,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:46:49,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:46:49,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... [2020-11-30 00:46:49,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:46:49,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:46:49,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:46:49,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:46:49,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:46:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:46:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:46:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:46:49,595 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:46:49,595 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:46:49,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:49 BoogieIcfgContainer [2020-11-30 00:46:49,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:46:49,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:46:49,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:46:49,609 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:46:49,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:46:49,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:46:49" (1/3) ... [2020-11-30 00:46:49,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5af10034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:46:49, skipping insertion in model container [2020-11-30 00:46:49,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:46:49,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:49" (2/3) ... [2020-11-30 00:46:49,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5af10034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:46:49, skipping insertion in model container [2020-11-30 00:46:49,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:46:49,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:49" (3/3) ... [2020-11-30 00:46:49,624 INFO L373 chiAutomizerObserver]: Analyzing ICFG jm2006_variant.i [2020-11-30 00:46:49,708 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:46:49,708 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:46:49,709 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:46:49,709 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:46:49,709 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:46:49,709 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:46:49,709 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:46:49,709 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:46:49,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 00:46:49,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:46:49,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:46:49,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:46:49,748 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 00:46:49,748 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:46:49,748 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:46:49,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 00:46:49,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:46:49,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:46:49,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:46:49,750 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 00:46:49,751 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:46:49,756 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~post5, main_#t~post6, main_~i~0, main_~j~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~j~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L28true assume !!(main_~i~0 >= 0 && main_~i~0 <= 1000000); 6#L29true assume !!(main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0;main_~z~0 := 0; 11#L33-2true [2020-11-30 00:46:49,756 INFO L796 eck$LassoCheckResult]: Loop: 11#L33-2true assume !!(0 != main_~x~0);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_~y~0 := main_~y~0 - 2;main_#t~post6 := main_~z~0;main_~z~0 := 1 + main_#t~post6;havoc main_#t~post6; 11#L33-2true [2020-11-30 00:46:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-30 00:46:49,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:49,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735615354] [2020-11-30 00:46:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,897 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:46:49,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:49,902 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2020-11-30 00:46:49,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:49,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526960200] [2020-11-30 00:46:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,918 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:46:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2020-11-30 00:46:49,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:49,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256833805] [2020-11-30 00:46:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:49,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:49,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:46:50,058 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:46:50,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:46:50,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:46:50,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:46:50,060 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:46:50,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:50,060 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:46:50,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:46:50,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Loop [2020-11-30 00:46:50,060 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:46:50,061 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:46:50,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:50,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:50,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:50,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:50,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:50,288 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:46:50,289 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:50,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:46:50,307 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:50,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:46:50,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:50,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:46:50,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:46:50,359 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:46:50,359 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:50,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:46:50,389 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:50,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:46:50,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:46:50,436 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:46:50,437 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=5}, {ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:50,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:46:50,476 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:50,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:46:50,523 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:50,538 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:46:50,539 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-2}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:50,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:46:50,579 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:50,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:46:50,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:46:50,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:46:50,634 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-8} Honda state: {ULTIMATE.start_main_~x~0=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [5, 11, 1] Nus: [0, 0] [2020-11-30 00:46:50,853 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-30 00:46:50,970 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:46:50,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:46:50,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:46:50,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:46:50,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:46:50,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:50,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:46:50,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:46:50,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Lasso [2020-11-30 00:46:50,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:46:50,971 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:46:50,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:46:51,449 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:46:51,454 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:51,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:51,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:51,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:51,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:51,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:51,626 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 [2020-11-30 00:46:51,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:51,670 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 [2020-11-30 00:46:51,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:51,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,733 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 [2020-11-30 00:46:51,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:51,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:51,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:51,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:51,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:46:51,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:46:51,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:51,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:51,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:51,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:51,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:51,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:51,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:51,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:51,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:51,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:52,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:46:52,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:46:52,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:46:52,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:52,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:46:52,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:46:52,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:52,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:52,126 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 [2020-11-30 00:46:52,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:46:52,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:46:52,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:52,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:52,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:46:52,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:46:52,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:52,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:52,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:52,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:52,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:52,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:46:52,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:46:52,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:46:52,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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 [2020-11-30 00:46:52,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:46:52,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:46:52,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:46:52,294 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:46:52,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:46:52,303 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-30 00:46:52,303 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:46:52,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:46:52,379 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-30 00:46:52,380 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0094abea-94d1-48ae-aefb-11ef30781021/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) [2020-11-30 00:46:52,440 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:46:52,492 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-30 00:46:52,493 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:46:52,493 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2020-11-30 00:46:52,543 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-11-30 00:46:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:52,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:46:52,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:46:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:52,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:46:52,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:46:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:46:52,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-11-30 00:46:52,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-30 00:46:52,742 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 37 states and 47 transitions. Complement of second has 6 states. [2020-11-30 00:46:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 00:46:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 00:46:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-11-30 00:46:52,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 1 letters. [2020-11-30 00:46:52,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:46:52,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-30 00:46:52,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:46:52,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-30 00:46:52,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:46:52,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2020-11-30 00:46:52,753 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:46:52,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-11-30 00:46:52,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:46:52,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:46:52,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:46:52,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:46:52,757 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:46:52,757 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:46:52,757 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:46:52,757 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:46:52,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:46:52,757 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:46:52,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:46:52,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:46:52 BoogieIcfgContainer [2020-11-30 00:46:52,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:46:52,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:46:52,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:46:52,762 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:46:52,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:49" (3/4) ... [2020-11-30 00:46:52,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:46:52,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:46:52,767 INFO L168 Benchmark]: Toolchain (without parser) took 3762.23 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.1 MB in the beginning and 76.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:52,767 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:52,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.13 ms. Allocated memory is still 100.7 MB. Free memory was 70.1 MB in the beginning and 77.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:52,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 76.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:52,769 INFO L168 Benchmark]: Boogie Preprocessor took 19.62 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 75.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:52,770 INFO L168 Benchmark]: RCFGBuilder took 284.56 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 63.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:52,770 INFO L168 Benchmark]: BuchiAutomizer took 3161.31 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.5 MB in the beginning and 76.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:52,771 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 121.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:52,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.13 ms. Allocated memory is still 100.7 MB. Free memory was 70.1 MB in the beginning and 77.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 76.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.62 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 75.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 284.56 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 63.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3161.31 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.5 MB in the beginning and 76.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.45 ms. Allocated memory is still 121.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 17 SDslu, 11 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital68 mio100 ax100 hnf100 lsp56 ukn75 mio100 lsp78 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf148 smp100 tf103 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 203ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...