./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-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_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 27b51ff95b1c87aada11269295eff3fc5c30957f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:11:30,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:30,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:30,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:30,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:30,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:30,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:30,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:30,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:30,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:30,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:30,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:30,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:30,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:30,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:30,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:30,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:30,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:30,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:30,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:30,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:30,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:30,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:30,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:30,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:30,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:30,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:30,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:30,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:30,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:30,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:30,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:30,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:30,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:30,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:30,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:30,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:30,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:30,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:30,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:30,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:30,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:11:30,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:30,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:30,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:30,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:30,357 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:30,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:11:30,358 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:11:30,358 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:11:30,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:11:30,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:11:30,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:11:30,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:30,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:11:30,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:11:30,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:30,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:11:30,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:11:30,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:11:30,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:30,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:11:30,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:30,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:11:30,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:30,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:30,364 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:11:30,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:30,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:11:30,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:30,366 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:11:30,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:11:30,367 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_c17b43f7-84fe-49e2-b73b-02190809223a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27b51ff95b1c87aada11269295eff3fc5c30957f [2020-11-28 03:11:30,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:30,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:30,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:30,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:30,772 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:30,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2020-11-28 03:11:30,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/data/b7386392c/062ffe16fa4b43e2b32065050d96ac17/FLAG707aaa360 [2020-11-28 03:11:31,567 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:31,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2020-11-28 03:11:31,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/data/b7386392c/062ffe16fa4b43e2b32065050d96ac17/FLAG707aaa360 [2020-11-28 03:11:31,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/data/b7386392c/062ffe16fa4b43e2b32065050d96ac17 [2020-11-28 03:11:31,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:31,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:31,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:31,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:31,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:31,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:31" (1/1) ... [2020-11-28 03:11:31,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24707485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:31, skipping insertion in model container [2020-11-28 03:11:31,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:31" (1/1) ... [2020-11-28 03:11:31,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:31,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:32,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:32,336 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:11:32,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:32,494 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:11:32,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32 WrapperNode [2020-11-28 03:11:32,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:32,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:32,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:11:32,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:11:32,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:32,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:11:32,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:11:32,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:11:32,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... [2020-11-28 03:11:32,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:11:32,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:11:32,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:11:32,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:11:32,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:11:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:33,059 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:33,059 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:11:33,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:33 BoogieIcfgContainer [2020-11-28 03:11:33,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:33,065 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:11:33,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:11:33,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:11:33,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:33,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:11:31" (1/3) ... [2020-11-28 03:11:33,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52816f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:11:33, skipping insertion in model container [2020-11-28 03:11:33,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:33,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:32" (2/3) ... [2020-11-28 03:11:33,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52816f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:11:33, skipping insertion in model container [2020-11-28 03:11:33,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:33,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:33" (3/3) ... [2020-11-28 03:11:33,076 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.12-alloca.i [2020-11-28 03:11:33,133 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:11:33,133 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:11:33,134 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:11:33,134 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:33,134 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:33,134 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:11:33,134 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:33,135 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:11:33,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 03:11:33,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:33,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:33,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:33,224 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:11:33,224 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:11:33,224 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:11:33,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 03:11:33,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:33,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:33,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:33,230 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:11:33,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:11:33,240 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~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 7#L559-2true [2020-11-28 03:11:33,241 INFO L796 eck$LassoCheckResult]: Loop: 7#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 13#L555-1true assume test_fun_#t~short7; 5#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 8#L556true assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 7#L559-2true [2020-11-28 03:11:33,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:11:33,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:33,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949052689] [2020-11-28 03:11:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,601 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-11-28 03:11:33,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:33,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234212773] [2020-11-28 03:11:33,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,666 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:33,668 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-11-28 03:11:33,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:33,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723160877] [2020-11-28 03:11:33,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,705 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:33,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:33,768 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:33,903 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-11-28 03:11:34,491 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2020-11-28 03:11:34,705 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-28 03:11:34,728 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:11:34,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:11:34,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:11:34,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:11:34,738 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:11:34,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:34,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:11:34,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:11:34,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration1_Lasso [2020-11-28 03:11:34,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:11:34,739 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:11:34,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:34,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:35,328 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2020-11-28 03:11:35,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:35,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:35,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:35,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:36,178 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:11:36,184 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:36,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:36,389 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 [2020-11-28 03:11:36,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:36,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,516 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 [2020-11-28 03:11:36,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,618 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 [2020-11-28 03:11:36,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,671 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 [2020-11-28 03:11:36,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:36,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,766 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 [2020-11-28 03:11:36,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:36,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:36,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:36,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:36,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:36,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:36,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:36,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:36,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:36,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:36,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:36,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:36,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:36,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:37,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:37,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:37,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:37,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:37,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:37,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:37,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:37,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:37,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:37,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:37,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:37,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:37,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:37,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:37,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:37,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:37,155 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 [2020-11-28 03:11:37,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:37,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:37,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:37,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:37,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:37,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:37,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:37,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:37,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:37,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:37,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:37,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:37,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:37,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:37,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:37,296 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 [2020-11-28 03:11:37,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:37,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:37,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:37,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:37,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:37,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:37,317 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:11:37,432 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:11:37,432 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:37,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:37,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:11:37,453 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:11:37,454 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-11-28 03:11:37,701 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2020-11-28 03:11:37,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:11:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:37,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:37,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:37,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:11:37,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:37,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:11:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:37,906 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 [2020-11-28 03:11:37,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-11-28 03:11:38,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 50 states and 67 transitions. Complement of second has 9 states. [2020-11-28 03:11:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:11:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:11:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2020-11-28 03:11:38,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-28 03:11:38,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:38,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:11:38,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:38,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 8 letters. [2020-11-28 03:11:38,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:38,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2020-11-28 03:11:38,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-11-28 03:11:38,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 39 transitions. [2020-11-28 03:11:38,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-28 03:11:38,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-28 03:11:38,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 39 transitions. [2020-11-28 03:11:38,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:38,077 INFO L691 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2020-11-28 03:11:38,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 39 transitions. [2020-11-28 03:11:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2020-11-28 03:11:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:11:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2020-11-28 03:11:38,106 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2020-11-28 03:11:38,106 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2020-11-28 03:11:38,106 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:11:38,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 37 transitions. [2020-11-28 03:11:38,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-11-28 03:11:38,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:38,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:38,108 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:11:38,108 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:11:38,109 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 188#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 195#L555-1 [2020-11-28 03:11:38,109 INFO L796 eck$LassoCheckResult]: Loop: 195#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 190#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 191#L556 assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 194#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 195#L555-1 [2020-11-28 03:11:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,109 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-28 03:11:38,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237948295] [2020-11-28 03:11:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:38,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2020-11-28 03:11:38,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479975551] [2020-11-28 03:11:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,202 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2020-11-28 03:11:38,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939622063] [2020-11-28 03:11:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:38,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939622063] [2020-11-28 03:11:38,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:38,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:38,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521709042] [2020-11-28 03:11:38,471 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-11-28 03:11:38,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:38,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:38,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:38,572 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. cyclomatic complexity: 15 Second operand 5 states. [2020-11-28 03:11:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:38,647 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions. [2020-11-28 03:11:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:11:38,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2020-11-28 03:11:38,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-28 03:11:38,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 39 transitions. [2020-11-28 03:11:38,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-11-28 03:11:38,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-11-28 03:11:38,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2020-11-28 03:11:38,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:38,657 INFO L691 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-11-28 03:11:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2020-11-28 03:11:38,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 14. [2020-11-28 03:11:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-28 03:11:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-11-28 03:11:38,659 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-11-28 03:11:38,659 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-11-28 03:11:38,665 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:11:38,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-11-28 03:11:38,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:38,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:38,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:38,669 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:11:38,669 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:11:38,670 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 261#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 262#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 269#L555-1 [2020-11-28 03:11:38,671 INFO L796 eck$LassoCheckResult]: Loop: 269#L555-1 assume test_fun_#t~short7; 264#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 265#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 272#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 268#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 269#L555-1 [2020-11-28 03:11:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-11-28 03:11:38,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640954411] [2020-11-28 03:11:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,736 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,741 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:38,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,742 INFO L82 PathProgramCache]: Analyzing trace with hash 38423515, now seen corresponding path program 1 times [2020-11-28 03:11:38,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200993070] [2020-11-28 03:11:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:38,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:38,763 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:38,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:38,764 INFO L82 PathProgramCache]: Analyzing trace with hash 177751320, now seen corresponding path program 1 times [2020-11-28 03:11:38,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:38,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657659336] [2020-11-28 03:11:38,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:38,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657659336] [2020-11-28 03:11:38,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:38,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:38,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344028363] [2020-11-28 03:11:38,955 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-11-28 03:11:39,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:39,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:39,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:39,007 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-11-28 03:11:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:39,048 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-11-28 03:11:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:11:39,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2020-11-28 03:11:39,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:39,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2020-11-28 03:11:39,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-28 03:11:39,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-28 03:11:39,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-11-28 03:11:39,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:39,051 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:11:39,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-11-28 03:11:39,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:11:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:11:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-11-28 03:11:39,052 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:11:39,052 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:11:39,052 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:11:39,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-11-28 03:11:39,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:39,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:39,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:39,053 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:11:39,053 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:11:39,053 INFO L794 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 301#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 302#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 309#L555-1 [2020-11-28 03:11:39,054 INFO L796 eck$LassoCheckResult]: Loop: 309#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 304#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 305#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 312#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 308#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 309#L555-1 [2020-11-28 03:11:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:39,054 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2020-11-28 03:11:39,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:39,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106506735] [2020-11-28 03:11:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,110 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:39,111 INFO L82 PathProgramCache]: Analyzing trace with hash 40270557, now seen corresponding path program 1 times [2020-11-28 03:11:39,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:39,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956825863] [2020-11-28 03:11:39,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,161 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:39,162 INFO L82 PathProgramCache]: Analyzing trace with hash 179598362, now seen corresponding path program 1 times [2020-11-28 03:11:39,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:39,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576100804] [2020-11-28 03:11:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:39,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:39,230 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:39,370 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-11-28 03:11:39,886 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2020-11-28 03:11:40,068 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-28 03:11:40,072 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:11:40,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:11:40,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:11:40,072 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:11:40,072 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:11:40,072 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:40,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:11:40,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:11:40,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration4_Lasso [2020-11-28 03:11:40,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:11:40,073 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:11:40,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:40,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:40,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:40,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:40,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,154 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-11-28 03:11:41,287 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-11-28 03:11:41,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:41,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:42,002 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-11-28 03:11:42,111 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:11:42,111 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,155 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 [2020-11-28 03:11:42,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:42,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:42,159 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 [2020-11-28 03:11:42,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:42,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:42,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:42,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:42,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:42,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:42,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:42,269 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 [2020-11-28 03:11:42,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:42,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:42,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:42,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:42,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:42,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:42,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,533 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 [2020-11-28 03:11:42,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,536 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:11:42,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,546 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:11:42,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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 [2020-11-28 03:11:42,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:42,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:42,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,831 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 [2020-11-28 03:11:42,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:42,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:42,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:42,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:42,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:42,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:11:42,875 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-11-28 03:11:42,875 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c17b43f7-84fe-49e2-b73b-02190809223a/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) [2020-11-28 03:11:42,880 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:42,884 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:11:42,884 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:11:42,884 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2020-11-28 03:11:43,014 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-11-28 03:11:43,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:11:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:43,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:43,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:43,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:11:43,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:43,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:11:43,175 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 [2020-11-28 03:11:43,177 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:11:43,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:11:43,186 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:11:43,186 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:19 [2020-11-28 03:11:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:43,204 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 [2020-11-28 03:11:43,204 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-11-28 03:11:43,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 38 transitions. Complement of second has 8 states. [2020-11-28 03:11:43,265 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 [2020-11-28 03:11:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:11:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-28 03:11:43,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 5 letters. [2020-11-28 03:11:43,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:43,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-28 03:11:43,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:43,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 10 letters. [2020-11-28 03:11:43,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:43,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2020-11-28 03:11:43,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:43,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2020-11-28 03:11:43,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-11-28 03:11:43,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-28 03:11:43,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2020-11-28 03:11:43,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:43,271 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2020-11-28 03:11:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2020-11-28 03:11:43,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2020-11-28 03:11:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-28 03:11:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-11-28 03:11:43,275 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-11-28 03:11:43,275 INFO L594 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-11-28 03:11:43,275 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:11:43,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2020-11-28 03:11:43,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:11:43,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:43,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:43,277 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:11:43,278 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:11:43,278 INFO L794 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 476#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 477#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 495#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 479#L555-3 [2020-11-28 03:11:43,278 INFO L796 eck$LassoCheckResult]: Loop: 479#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 480#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 487#L559 assume !(test_fun_#t~mem10 > 0);havoc test_fun_#t~mem10; 483#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 484#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 479#L555-3 [2020-11-28 03:11:43,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:43,279 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-28 03:11:43,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:43,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237853399] [2020-11-28 03:11:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:43,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:43,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:43,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:43,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:43,308 INFO L82 PathProgramCache]: Analyzing trace with hash 45964859, now seen corresponding path program 1 times [2020-11-28 03:11:43,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:43,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011488238] [2020-11-28 03:11:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:43,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:43,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:43,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:43,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:43,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1272583860, now seen corresponding path program 1 times [2020-11-28 03:11:43,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:43,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182929665] [2020-11-28 03:11:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:43,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182929665] [2020-11-28 03:11:43,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:43,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:43,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634040268] [2020-11-28 03:11:43,550 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-11-28 03:11:43,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:43,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:43,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:43,581 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-11-28 03:11:43,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:43,611 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-11-28 03:11:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:11:43,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2020-11-28 03:11:43,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:11:43,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-11-28 03:11:43,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:11:43,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:11:43,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:11:43,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:11:43,613 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:43,614 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:43,614 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:43,614 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:11:43,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:11:43,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:11:43,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:11:43,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:11:43 BoogieIcfgContainer [2020-11-28 03:11:43,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:11:43,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:43,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:43,622 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:43,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:33" (3/4) ... [2020-11-28 03:11:43,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:11:43,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:43,627 INFO L168 Benchmark]: Toolchain (without parser) took 11747.57 ms. Allocated memory was 92.3 MB in the beginning and 195.0 MB in the end (delta: 102.8 MB). Free memory was 58.0 MB in the beginning and 153.3 MB in the end (delta: -95.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,628 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:43,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.34 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 59.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.17 ms. Allocated memory is still 92.3 MB. Free memory was 59.5 MB in the beginning and 57.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:43,629 INFO L168 Benchmark]: Boogie Preprocessor took 28.41 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 56.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,630 INFO L168 Benchmark]: RCFGBuilder took 459.12 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.5 MB in the beginning and 88.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,631 INFO L168 Benchmark]: BuchiAutomizer took 10555.61 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 88.0 MB in the beginning and 154.4 MB in the end (delta: -66.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,631 INFO L168 Benchmark]: Witness Printer took 4.51 ms. Allocated memory is still 195.0 MB. Free memory was 154.4 MB in the beginning and 153.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:43,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.34 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 59.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.17 ms. Allocated memory is still 92.3 MB. Free memory was 59.5 MB in the beginning and 57.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.41 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 56.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 459.12 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.5 MB in the beginning and 88.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10555.61 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 88.0 MB in the beginning and 154.4 MB in the end (delta: -66.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.51 ms. Allocated memory is still 195.0 MB. Free memory was 154.4 MB in the beginning and 153.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 9.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 35 SDtfs, 53 SDslu, 33 SDs, 0 SdLazy, 105 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax107 hnf99 lsp90 ukn81 mio100 lsp28 div100 bol100 ite100 ukn100 eq182 hnf88 smp96 dnf129 smp81 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 6 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...