./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-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_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 25885afdfdd91cf9312b78ad87a032f4ef31fe0c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:06:32,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:32,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:32,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:32,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:32,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:32,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:32,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:32,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:32,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:32,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:32,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:32,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:32,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:32,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:32,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:32,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:32,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:32,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:32,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:32,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:32,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:32,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:32,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:32,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:32,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:32,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:32,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:32,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:32,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:32,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:32,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:32,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:32,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:32,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:32,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:32,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:32,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:32,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:32,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:32,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:32,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:06:32,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:32,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:32,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:32,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:32,923 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:32,923 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:06:32,924 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:06:32,924 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:06:32,924 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:06:32,924 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:06:32,925 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:06:32,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:32,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:06:32,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:32,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:32,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:06:32,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:06:32,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:06:32,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:32,927 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:06:32,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:32,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:06:32,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:32,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:32,928 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:06:32,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:32,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:32,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:32,929 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:06:32,932 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:06:32,932 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_b83243b0-37b4-4165-b0d4-2982178e387f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25885afdfdd91cf9312b78ad87a032f4ef31fe0c [2020-11-28 03:06:33,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:33,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:33,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:33,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:33,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:33,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2020-11-28 03:06:33,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/data/6d0b87947/091f0e858adb4820a02673ee14af460a/FLAG6f2f26638 [2020-11-28 03:06:33,807 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:33,808 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2020-11-28 03:06:33,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/data/6d0b87947/091f0e858adb4820a02673ee14af460a/FLAG6f2f26638 [2020-11-28 03:06:34,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/data/6d0b87947/091f0e858adb4820a02673ee14af460a [2020-11-28 03:06:34,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:34,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:34,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:34,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:34,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:34,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec3d54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34, skipping insertion in model container [2020-11-28 03:06:34,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:34,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:34,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:34,532 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:34,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:34,669 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:34,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34 WrapperNode [2020-11-28 03:06:34,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:34,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:34,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:34,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:34,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:34,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:34,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:34,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:34,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:34,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:34,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:34,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:34,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:06:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:06:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:06:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:35,285 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:35,285 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:06:35,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:35 BoogieIcfgContainer [2020-11-28 03:06:35,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:35,288 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:06:35,288 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:06:35,298 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:06:35,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:35,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:06:34" (1/3) ... [2020-11-28 03:06:35,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139c0e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:35, skipping insertion in model container [2020-11-28 03:06:35,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:35,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34" (2/3) ... [2020-11-28 03:06:35,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139c0e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:35, skipping insertion in model container [2020-11-28 03:06:35,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:35,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:35" (3/3) ... [2020-11-28 03:06:35,304 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.09_assume-alloca.i [2020-11-28 03:06:35,347 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:06:35,347 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:06:35,347 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:06:35,347 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:35,348 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:35,348 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:06:35,348 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:35,348 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:06:35,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:06:35,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:35,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:35,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:35,377 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:06:35,377 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:06:35,377 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:06:35,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:06:35,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:35,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:35,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:35,379 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:06:35,379 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:06:35,385 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;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~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, 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);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; 6#L555true 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; 10#L555-2true assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 7#L558-3true [2020-11-28 03:06:35,385 INFO L796 eck$LassoCheckResult]: Loop: 7#L558-3true call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L558-1true assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 16#L559true assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem9;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, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 5#L559-2true call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 7#L558-3true [2020-11-28 03:06:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:35,390 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2020-11-28 03:06:35,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:35,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329565960] [2020-11-28 03:06:35,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,561 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:35,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:35,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1482703, now seen corresponding path program 1 times [2020-11-28 03:06:35,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:35,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769386679] [2020-11-28 03:06:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,594 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:35,596 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 1 times [2020-11-28 03:06:35,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:35,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591682387] [2020-11-28 03:06:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:35,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:35,694 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:35,805 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-28 03:06:36,672 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 102 [2020-11-28 03:06:36,961 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-28 03:06:36,982 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:06:36,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:06:36,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:06:36,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:06:36,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:06:36,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:36,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:06:36,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:06:36,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration1_Lasso [2020-11-28 03:06:36,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:06:36,985 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:06:37,023 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 03:06:37,036 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 03:06:37,039 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 03:06:37,043 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 03:06:37,046 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 03:06:37,050 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 03:06:37,055 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 03:06:37,060 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 03:06:37,065 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 03:06:37,072 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 03:06:37,076 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 03:06:37,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:37,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:37,088 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 03:06:37,672 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-11-28 03:06:37,857 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-28 03:06:37,858 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 03:06:37,862 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 03:06:37,865 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 03:06:37,867 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 03:06:37,875 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 03:06:37,878 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 03:06:37,880 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 03:06:37,882 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 03:06:37,899 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 03:06:38,565 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:06:38,569 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:38,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:38,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:38,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:38,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:38,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:38,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:38,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:38,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:38,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:38,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:38,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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) [2020-11-28 03:06:38,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:38,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:38,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:38,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:38,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:38,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:38,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:38,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:38,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:38,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:38,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:38,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:38,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:38,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:38,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:38,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:38,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:38,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:39,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:39,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:39,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:39,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:39,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:39,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:39,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:39,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:39,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:39,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:39,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:39,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:39,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:39,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:39,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:39,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:39,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:39,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:39,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:39,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:39,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:39,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:39,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:39,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:39,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:39,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:39,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:39,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:39,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:39,235 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:06:39,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:39,261 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-28 03:06:39,261 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:06:39,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:06:39,562 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2020-11-28 03:06:39,562 INFO L444 ModelExtractionUtils]: 15 out of 46 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:06:39,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:39,599 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-28 03:06:39,599 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:06:39,600 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, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_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 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2020-11-28 03:06:39,734 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-11-28 03:06:39,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:06:39,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:06:39,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:39,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:06:39,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:39,879 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-11-28 03:06:39,885 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:39,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:39,901 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:39,901 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2020-11-28 03:06:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:39,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:06:39,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:40,038 INFO L350 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2020-11-28 03:06:40,038 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 35 [2020-11-28 03:06:40,043 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-28 03:06:40,054 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:40,078 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:40,078 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:40,078 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:36 [2020-11-28 03:06:40,120 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 03:06:40,143 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:06:40,144 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 6 states. [2020-11-28 03:06:40,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 6 states. Result 33 states and 40 transitions. Complement of second has 9 states. [2020-11-28 03:06:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:06:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:06:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-11-28 03:06:40,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-28 03:06:40,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:40,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-28 03:06:40,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:40,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 8 letters. [2020-11-28 03:06:40,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:40,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2020-11-28 03:06:40,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:40,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 18 states and 22 transitions. [2020-11-28 03:06:40,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-28 03:06:40,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-11-28 03:06:40,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2020-11-28 03:06:40,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:06:40,286 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-28 03:06:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2020-11-28 03:06:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2020-11-28 03:06:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 03:06:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-11-28 03:06:40,310 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:06:40,311 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:06:40,311 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:06:40,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2020-11-28 03:06:40,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:40,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:40,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:40,317 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:06:40,317 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:06:40,318 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 203#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;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~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, 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);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; 204#L555 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; 205#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 206#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 212#L558-1 [2020-11-28 03:06:40,318 INFO L796 eck$LassoCheckResult]: Loop: 212#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 213#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 216#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 208#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 209#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 212#L558-1 [2020-11-28 03:06:40,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:40,319 INFO L82 PathProgramCache]: Analyzing trace with hash 28695881, now seen corresponding path program 1 times [2020-11-28 03:06:40,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:40,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856516169] [2020-11-28 03:06:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,406 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:40,407 INFO L82 PathProgramCache]: Analyzing trace with hash 50737098, now seen corresponding path program 1 times [2020-11-28 03:06:40,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:40,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145015518] [2020-11-28 03:06:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:40,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:40,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1682923394, now seen corresponding path program 1 times [2020-11-28 03:06:40,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:40,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367748280] [2020-11-28 03:06:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:40,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:40,557 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:41,375 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2020-11-28 03:06:41,593 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-28 03:06:41,596 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:06:41,596 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:06:41,596 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:06:41,596 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:06:41,596 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:06:41,596 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:41,596 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:06:41,597 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:06:41,597 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration2_Lasso [2020-11-28 03:06:41,597 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:06:41,597 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:06:41,601 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 03:06:41,612 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 03:06:41,614 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 03:06:41,618 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 03:06:41,620 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 03:06:41,623 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 03:06:41,626 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 03:06:42,065 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2020-11-28 03:06:42,210 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2020-11-28 03:06:42,211 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 03:06:42,214 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 03:06:42,217 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 03:06:42,219 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 03:06:42,222 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 03:06:42,224 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 03:06:42,227 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 03:06:42,230 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 03:06:42,232 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 03:06:42,235 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 03:06:42,238 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 03:06:42,240 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 03:06:42,244 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 03:06:42,862 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:06:42,863 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:42,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:42,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:42,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:42,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:42,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:42,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:42,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:42,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:42,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:42,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:42,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:42,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:42,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:42,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:42,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:42,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:42,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:42,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:42,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:42,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:42,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:42,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:42,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:42,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:42,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:42,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:42,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:42,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:42,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:42,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:42,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:42,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:42,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:42,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:43,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:43,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:43,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:43,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:43,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:43,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:43,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:43,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:43,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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) [2020-11-28 03:06:43,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:43,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:43,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:43,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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) [2020-11-28 03:06:43,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:43,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:43,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:43,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:43,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:43,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:43,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:43,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:43,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:43,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:43,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:43,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:43,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:43,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:43,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:43,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:43,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:43,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:06:43,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:43,297 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-28 03:06:43,297 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:06:43,341 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:06:43,403 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-28 03:06:43,403 INFO L444 ModelExtractionUtils]: 35 out of 51 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:43,406 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:43,412 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-28 03:06:43,412 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:06:43,412 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)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 Supporting invariants [] [2020-11-28 03:06:43,580 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-11-28 03:06:43,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:06:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:43,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:06:43,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:43,656 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:43,657 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-28 03:06:43,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,675 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:43,677 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:9 [2020-11-28 03:06:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:43,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:06:43,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:43,745 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-11-28 03:06:43,746 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:43,757 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,757 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:26 [2020-11-28 03:06:43,793 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2020-11-28 03:06:43,797 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,807 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:43,807 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:43,807 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:26 [2020-11-28 03:06:43,808 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 03:06:43,808 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:06:43,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 6 states. [2020-11-28 03:06:43,883 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 6 states. Result 37 states and 44 transitions. Complement of second has 8 states. [2020-11-28 03:06:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:06:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:06:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-28 03:06:43,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 5 letters. [2020-11-28 03:06:43,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:43,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 5 letters. [2020-11-28 03:06:43,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:43,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:06:43,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:43,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2020-11-28 03:06:43,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:43,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2020-11-28 03:06:43,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-28 03:06:43,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:06:43,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2020-11-28 03:06:43,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:06:43,893 INFO L691 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2020-11-28 03:06:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2020-11-28 03:06:43,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-28 03:06:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-28 03:06:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2020-11-28 03:06:43,896 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2020-11-28 03:06:43,896 INFO L594 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2020-11-28 03:06:43,896 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:06:43,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2020-11-28 03:06:43,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:43,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:43,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:43,898 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:43,898 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:06:43,899 INFO L794 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 414#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;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~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, 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);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; 415#L555 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; 416#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 417#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 429#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 433#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem9;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, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 432#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 420#L558-3 [2020-11-28 03:06:43,899 INFO L796 eck$LassoCheckResult]: Loop: 420#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 423#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 424#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 427#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 419#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 420#L558-3 [2020-11-28 03:06:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:43,899 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 2 times [2020-11-28 03:06:43,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:43,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054447560] [2020-11-28 03:06:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:43,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:43,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:43,932 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:43,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 2 times [2020-11-28 03:06:43,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:43,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351170354] [2020-11-28 03:06:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:43,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:43,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:43,963 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:43,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:43,964 INFO L82 PathProgramCache]: Analyzing trace with hash -915687550, now seen corresponding path program 1 times [2020-11-28 03:06:43,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:43,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907568343] [2020-11-28 03:06:43,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:43,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:44,018 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:44,023 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:44,211 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-28 03:06:44,853 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 112 [2020-11-28 03:06:45,036 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-28 03:06:45,039 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:06:45,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:06:45,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:06:45,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:06:45,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:06:45,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:45,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:06:45,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:06:45,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration3_Lasso [2020-11-28 03:06:45,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:06:45,040 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:06:45,043 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 03:06:45,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:45,090 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 03:06:45,112 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 03:06:45,115 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 03:06:45,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:45,121 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 03:06:45,462 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-11-28 03:06:45,638 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-28 03:06:45,638 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 03:06:45,643 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 03:06:45,646 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 03:06:45,649 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 03:06:45,652 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 03:06:45,654 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 03:06:45,656 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 03:06:45,659 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 03:06:45,662 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 03:06:45,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:45,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:45,670 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 03:06:45,680 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 03:06:45,701 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 03:06:45,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:46,251 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:06:46,251 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:46,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:46,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:46,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:46,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:46,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:46,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:46,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/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 03:06:46,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:06:46,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:06:46,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:06:46,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:46,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:46,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 03:06:46,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:46,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:46,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:46,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:46,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:46,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:46,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:06:46,681 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-28 03:06:46,682 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:06:46,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:46,690 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:06:46,690 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:06:46,690 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)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2020-11-28 03:06:46,806 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-11-28 03:06:46,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:06:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:46,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:06:46,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:46,876 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 03:06:46,877 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:46,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:46,900 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 03:06:46,962 INFO L350 Elim1Store]: treesize reduction 19, result has 76.5 percent of original size [2020-11-28 03:06:46,962 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 69 [2020-11-28 03:06:46,963 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:47,029 INFO L625 ElimStorePlain]: treesize reduction 28, result has 67.1 percent of original size [2020-11-28 03:06:47,035 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 03:06:47,035 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:89, output treesize:24 [2020-11-28 03:06:47,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,258 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-11-28 03:06:47,354 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 03:06:47,379 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:47,379 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 45 [2020-11-28 03:06:47,383 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-28 03:06:47,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,387 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-28 03:06:47,388 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-28 03:06:47,393 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-11-28 03:06:47,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:06:47,400 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2020-11-28 03:06:47,556 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-11-28 03:06:47,557 INFO L625 ElimStorePlain]: treesize reduction 15, result has 86.1 percent of original size [2020-11-28 03:06:47,568 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,593 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:47,594 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:45, output treesize:29 [2020-11-28 03:06:47,665 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:47,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:06:47,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:47,766 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-11-28 03:06:47,766 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:47,778 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:47,779 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:47,779 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:26 [2020-11-28 03:06:47,806 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 03:06:47,806 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2020-11-28 03:06:47,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand 10 states. [2020-11-28 03:06:48,201 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8. Second operand 10 states. Result 60 states and 72 transitions. Complement of second has 11 states. [2020-11-28 03:06:48,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:06:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 03:06:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2020-11-28 03:06:48,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2020-11-28 03:06:48,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:48,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 13 letters. Loop has 5 letters. [2020-11-28 03:06:48,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:48,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2020-11-28 03:06:48,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:48,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 72 transitions. [2020-11-28 03:06:48,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:48,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 41 states and 49 transitions. [2020-11-28 03:06:48,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-28 03:06:48,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:06:48,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2020-11-28 03:06:48,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:06:48,208 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-28 03:06:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2020-11-28 03:06:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 28. [2020-11-28 03:06:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-28 03:06:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-11-28 03:06:48,216 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-11-28 03:06:48,216 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-11-28 03:06:48,216 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:06:48,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2020-11-28 03:06:48,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:48,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:48,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:48,218 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2020-11-28 03:06:48,218 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:06:48,218 INFO L794 eck$LassoCheckResult]: Stem: 684#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 680#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;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~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, 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);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; 681#L555 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; 682#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 683#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 695#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 705#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem9;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, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 704#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 702#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 700#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 699#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem9;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, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 698#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 690#L558-3 [2020-11-28 03:06:48,218 INFO L796 eck$LassoCheckResult]: Loop: 690#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 685#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 686#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 693#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 689#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 690#L558-3 [2020-11-28 03:06:48,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:48,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1969201019, now seen corresponding path program 3 times [2020-11-28 03:06:48,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:48,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040518044] [2020-11-28 03:06:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:48,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040518044] [2020-11-28 03:06:48,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061153118] [2020-11-28 03:06:48,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:48,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-28 03:06:48,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:06:48,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-28 03:06:48,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:48,554 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:48,555 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-28 03:06:48,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:48,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:48,561 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:48,570 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,570 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:13 [2020-11-28 03:06:48,579 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2020-11-28 03:06:48,579 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:48,587 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-11-28 03:06:48,619 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2020-11-28 03:06:48,621 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,630 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:48,632 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2020-11-28 03:06:48,663 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-11-28 03:06:48,664 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:48,673 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:48,673 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:3 [2020-11-28 03:06:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:48,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:06:48,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2020-11-28 03:06:48,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422490855] [2020-11-28 03:06:48,682 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:06:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:48,683 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 3 times [2020-11-28 03:06:48,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:48,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669274366] [2020-11-28 03:06:48,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:48,697 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:48,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:48,704 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:48,874 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-28 03:06:48,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:48,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:06:48,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:06:48,907 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand 10 states. [2020-11-28 03:06:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:49,001 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-11-28 03:06:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:06:49,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 53 transitions. [2020-11-28 03:06:49,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:49,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 24 states and 26 transitions. [2020-11-28 03:06:49,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-11-28 03:06:49,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-11-28 03:06:49,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2020-11-28 03:06:49,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:06:49,005 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2020-11-28 03:06:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2020-11-28 03:06:49,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2020-11-28 03:06:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 03:06:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-11-28 03:06:49,007 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-11-28 03:06:49,007 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-11-28 03:06:49,007 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:06:49,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2020-11-28 03:06:49,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:06:49,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:49,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:49,008 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:49,008 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:06:49,009 INFO L794 eck$LassoCheckResult]: Stem: 811#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 807#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;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~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, 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);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; 808#L555 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; 809#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 810#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 814#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 815#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 822#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 818#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 820#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 824#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 823#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem9;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, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 816#L559-2 [2020-11-28 03:06:49,009 INFO L796 eck$LassoCheckResult]: Loop: 816#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 817#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 812#L558-1 assume !!!(0 == test_fun_#t~mem8);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 test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 813#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 821#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 816#L559-2 [2020-11-28 03:06:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:49,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1913288219, now seen corresponding path program 2 times [2020-11-28 03:06:49,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:49,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659497528] [2020-11-28 03:06:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:49,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659497528] [2020-11-28 03:06:49,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285975709] [2020-11-28 03:06:49,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83243b0-37b4-4165-b0d4-2982178e387f/bin/uautomizer/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:49,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:06:49,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:06:49,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-28 03:06:49,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:49,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,274 INFO L441 ElimStorePlain]: Different costs {3=[|v_#length_139|], 4=[|v_#valid_192|]} [2020-11-28 03:06:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,282 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,289 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,443 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-11-28 03:06:49,443 INFO L625 ElimStorePlain]: treesize reduction 2, result has 99.0 percent of original size [2020-11-28 03:06:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,460 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:49,460 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2020-11-28 03:06:49,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,470 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,488 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:49,488 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-28 03:06:49,489 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,499 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:49,561 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 03:06:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:06:49,590 INFO L350 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2020-11-28 03:06:49,590 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 26 [2020-11-28 03:06:49,590 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,614 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2020-11-28 03:06:49,614 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,714 INFO L625 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2020-11-28 03:06:49,722 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-28 03:06:49,723 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:219, output treesize:69 [2020-11-28 03:06:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 03:06:49,918 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:49,918 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 59 [2020-11-28 03:06:49,919 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,961 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-11-28 03:06:49,961 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:49,962 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:54 [2020-11-28 03:06:50,071 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2020-11-28 03:06:50,071 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:50,097 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:50,099 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-28 03:06:50,099 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:71, output treesize:54 [2020-11-28 03:06:50,217 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2020-11-28 03:06:50,219 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:50,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:50,262 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:50,262 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:68, output treesize:9 [2020-11-28 03:06:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:50,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:06:50,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2020-11-28 03:06:50,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23741815] [2020-11-28 03:06:50,294 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:06:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:50,295 INFO L82 PathProgramCache]: Analyzing trace with hash 61511628, now seen corresponding path program 4 times [2020-11-28 03:06:50,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:50,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470443846] [2020-11-28 03:06:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:50,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:50,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:50,316 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:50,432 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-28 03:06:50,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:50,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-28 03:06:50,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:06:50,467 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 4 Second operand 16 states. [2020-11-28 03:06:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:50,730 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-11-28 03:06:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:06:50,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2020-11-28 03:06:50,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:06:50,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-28 03:06:50,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:06:50,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:06:50,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:06:50,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:06:50,731 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:50,732 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:50,732 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:50,732 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:06:50,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:06:50,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:06:50,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:06:50,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:06:50 BoogieIcfgContainer [2020-11-28 03:06:50,736 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:06:50,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:06:50,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:06:50,736 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:06:50,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:35" (3/4) ... [2020-11-28 03:06:50,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:06:50,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:06:50,739 INFO L168 Benchmark]: Toolchain (without parser) took 16609.12 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 68.0 MB in the beginning and 111.4 MB in the end (delta: -43.4 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:50,739 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:50,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.46 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 63.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:50,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.28 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:50,740 INFO L168 Benchmark]: Boogie Preprocessor took 59.87 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 60.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:50,741 INFO L168 Benchmark]: RCFGBuilder took 481.82 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.2 MB in the beginning and 92.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:50,741 INFO L168 Benchmark]: BuchiAutomizer took 15447.79 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 92.3 MB in the beginning and 111.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 72.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:50,742 INFO L168 Benchmark]: Witness Printer took 2.47 ms. Allocated memory is still 207.6 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:50,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.46 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 63.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.28 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.87 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 60.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 481.82 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.2 MB in the beginning and 92.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 15447.79 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 92.3 MB in the beginning and 111.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 72.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.47 ms. Allocated memory is still 207.6 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 8 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.6s. Construction of modules took 0.2s. Büchi inclusion checks took 2.2s. 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 28 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 73 SDslu, 41 SDs, 0 SdLazy, 216 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital556 mio100 ax104 hnf99 lsp93 ukn45 mio100 lsp37 div100 bol100 ite100 ukn100 eq185 hnf88 smp98 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 372ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...