./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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 0.1.24-678e011 [2019-11-20 08:12:11,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:12:11,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:12:11,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:12:11,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:12:11,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:12:11,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:12:11,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:12:11,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:12:11,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:12:11,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:12:11,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:12:11,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:12:11,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:12:11,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:12:11,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:12:11,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:12:11,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:12:11,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:12:11,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:12:11,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:12:11,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:12:11,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:12:11,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:12:11,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:12:11,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:12:11,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:12:11,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:12:11,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:12:11,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:12:11,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:12:11,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:12:11,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:12:11,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:12:11,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:12:11,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:12:11,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:12:11,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:12:11,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:12:11,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:12:11,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:12:11,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 08:12:11,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:12:11,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:12:11,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:12:11,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:12:11,183 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:12:11,183 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:12:11,184 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:12:11,184 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:12:11,184 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:12:11,184 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:12:11,185 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:12:11,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:12:11,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:12:11,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:12:11,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:12:11,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:12:11,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:12:11,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:12:11,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:12:11,187 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:12:11,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:12:11,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:12:11,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:12:11,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:12:11,188 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:12:11,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:12:11,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:12:11,188 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:12:11,189 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:12:11,189 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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 [2019-11-20 08:12:11,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:12:11,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:12:11,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:12:11,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:12:11,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:12:11,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2019-11-20 08:12:11,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/data/287f2ffe9/6a6a63b27b1246249c2038555dc71f49/FLAG7dd043d29 [2019-11-20 08:12:11,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:12:11,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2019-11-20 08:12:11,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/data/287f2ffe9/6a6a63b27b1246249c2038555dc71f49/FLAG7dd043d29 [2019-11-20 08:12:12,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/data/287f2ffe9/6a6a63b27b1246249c2038555dc71f49 [2019-11-20 08:12:12,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:12:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:12:12,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:12:12,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:12:12,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:12:12,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3499463c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12, skipping insertion in model container [2019-11-20 08:12:12,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:12:12,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:12:12,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:12:12,742 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:12:12,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:12:12,889 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:12:12,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12 WrapperNode [2019-11-20 08:12:12,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:12:12,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:12:12,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:12:12,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:12:12,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:12:12,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:12:12,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:12:12,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:12:12,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2019-11-20 08:12:12,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:12:12,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:12:12,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:12:12,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:12:12,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 08:12:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 08:12:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:12:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 08:12:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:12:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:12:13,334 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:12:13,334 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:12:13,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13 BoogieIcfgContainer [2019-11-20 08:12:13,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:12:13,336 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:12:13,336 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:12:13,339 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:12:13,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:12:13,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:12:12" (1/3) ... [2019-11-20 08:12:13,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ddbac1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:12:13, skipping insertion in model container [2019-11-20 08:12:13,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:12:13,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (2/3) ... [2019-11-20 08:12:13,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ddbac1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:12:13, skipping insertion in model container [2019-11-20 08:12:13,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:12:13,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13" (3/3) ... [2019-11-20 08:12:13,344 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.09_assume-alloca.i [2019-11-20 08:12:13,387 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:12:13,387 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:12:13,387 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:12:13,387 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:12:13,388 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:12:13,388 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:12:13,388 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:12:13,388 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:12:13,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 08:12:13,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:13,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:13,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:13,424 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 08:12:13,425 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 08:12:13,425 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:12:13,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 08:12:13,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:13,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:13,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:13,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 08:12:13,427 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 08:12:13,436 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 [2019-11-20 08:12:13,436 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~mem10;havoc test_fun_#t~mem9;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 [2019-11-20 08:12:13,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:13,441 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2019-11-20 08:12:13,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:13,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860268612] [2019-11-20 08:12:13,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:13,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1482703, now seen corresponding path program 1 times [2019-11-20 08:12:13,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:13,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248040965] [2019-11-20 08:12:13,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,674 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:13,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:13,676 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 1 times [2019-11-20 08:12:13,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:13,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316203346] [2019-11-20 08:12:13,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:13,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:13,914 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-11-20 08:12:14,661 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 96 [2019-11-20 08:12:14,877 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-20 08:12:14,891 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:12:14,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:12:14,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:12:14,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:12:14,893 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:12:14,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:14,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:12:14,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:12:14,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration1_Lasso [2019-11-20 08:12:14,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:12:14,894 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:12:14,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:14,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:15,506 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-11-20 08:12:15,701 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-11-20 08:12:15,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:15,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:15,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:15,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:16,345 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:12:16,350 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:16,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:16,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:16,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:16,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:16,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:16,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:16,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:16,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:16,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:16,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:16,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:16,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:16,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:16,720 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 08:12:16,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,743 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 08:12:16,743 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 08:12:16,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:12:16,874 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 08:12:16,874 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_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:16,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:12:17,004 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 08:12:17,005 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:12:17,005 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 [] [2019-11-20 08:12:17,108 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 08:12:17,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:12:17,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:12:17,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:17,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 08:12:17,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:17,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:17,273 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:17,274 INFO L377 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 13 treesize of output 17 [2019-11-20 08:12:17,275 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:17,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 08:12:17,291 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 77 treesize of output 73 [2019-11-20 08:12:17,291 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:17,342 INFO L567 ElimStorePlain]: treesize reduction 2, result has 97.2 percent of original size [2019-11-20 08:12:17,352 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:17,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:17,402 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 08:12:17,402 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:91, output treesize:10 [2019-11-20 08:12:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:17,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 08:12:17,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:17,540 INFO L343 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2019-11-20 08:12:17,540 INFO L377 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 42 treesize of output 37 [2019-11-20 08:12:17,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 08:12:17,543 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:17,575 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:17,576 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:17,576 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:33 [2019-11-20 08:12:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:17,636 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-11-20 08:12:17,638 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 7 states. [2019-11-20 08:12:17,789 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 7 states. Result 37 states and 45 transitions. Complement of second has 8 states. [2019-11-20 08:12:17,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 08:12:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 08:12:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2019-11-20 08:12:17,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 08:12:17,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:17,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 08:12:17,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:17,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 4 letters. Loop has 8 letters. [2019-11-20 08:12:17,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:17,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2019-11-20 08:12:17,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:17,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 18 states and 22 transitions. [2019-11-20 08:12:17,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 08:12:17,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 08:12:17,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2019-11-20 08:12:17,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:12:17,805 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-20 08:12:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2019-11-20 08:12:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2019-11-20 08:12:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 08:12:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-20 08:12:17,831 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-20 08:12:17,831 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-20 08:12:17,831 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:12:17,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-11-20 08:12:17,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:17,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:17,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:17,832 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 08:12:17,832 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 08:12:17,833 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#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; 208#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; 209#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 210#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 216#L558-1 [2019-11-20 08:12:17,833 INFO L796 eck$LassoCheckResult]: Loop: 216#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); 217#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 220#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; 212#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; 213#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 216#L558-1 [2019-11-20 08:12:17,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:17,833 INFO L82 PathProgramCache]: Analyzing trace with hash 28695881, now seen corresponding path program 1 times [2019-11-20 08:12:17,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:17,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229471574] [2019-11-20 08:12:17,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,875 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:17,876 INFO L82 PathProgramCache]: Analyzing trace with hash 50737098, now seen corresponding path program 1 times [2019-11-20 08:12:17,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:17,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765397543] [2019-11-20 08:12:17,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,898 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:17,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:17,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1682923394, now seen corresponding path program 1 times [2019-11-20 08:12:17,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:17,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667518463] [2019-11-20 08:12:17,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:17,947 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:18,690 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2019-11-20 08:12:18,877 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-20 08:12:18,881 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:12:18,881 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:12:18,881 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:12:18,881 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:12:18,881 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:12:18,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:18,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:12:18,882 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:12:18,882 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration2_Lasso [2019-11-20 08:12:18,882 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:12:18,882 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:12:18,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:18,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,311 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-11-20 08:12:19,448 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-11-20 08:12:19,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:19,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:20,058 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:12:20,059 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:20,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:20,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:20,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:20,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:20,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:20,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:20,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:20,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:20,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:20,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:20,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:20,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:20,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:20,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:20,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:20,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:20,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:20,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:20,199 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 08:12:20,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,215 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 08:12:20,215 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 08:12:20,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:12:20,320 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-20 08:12:20,320 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_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:20,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:12:20,327 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 08:12:20,327 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:12:20,327 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 [] [2019-11-20 08:12:20,384 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 08:12:20,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:12:20,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:20,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 08:12:20,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:20,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:20,434 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:20,482 INFO L567 ElimStorePlain]: treesize reduction 2, result has 95.0 percent of original size [2019-11-20 08:12:20,483 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 08:12:20,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:71, output treesize:10 [2019-11-20 08:12:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:20,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 08:12:20,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:20,541 INFO L377 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 [2019-11-20 08:12:20,542 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:20,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:20,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:20,550 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 08:12:20,573 INFO L377 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 34 treesize of output 25 [2019-11-20 08:12:20,573 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:20,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:20,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:20,581 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:21 [2019-11-20 08:12:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:20,581 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-11-20 08:12:20,581 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-20 08:12:20,628 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 7 states. Result 37 states and 44 transitions. Complement of second has 8 states. [2019-11-20 08:12:20,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 08:12:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 08:12:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-20 08:12:20,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-20 08:12:20,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:20,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-20 08:12:20,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:20,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 08:12:20,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:20,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2019-11-20 08:12:20,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:20,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2019-11-20 08:12:20,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 08:12:20,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 08:12:20,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2019-11-20 08:12:20,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:12:20,634 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-20 08:12:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2019-11-20 08:12:20,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-20 08:12:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 08:12:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-11-20 08:12:20,637 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-20 08:12:20,637 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-20 08:12:20,637 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 08:12:20,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2019-11-20 08:12:20,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:20,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:20,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:20,638 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:12:20,639 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 08:12:20,639 INFO L794 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 419#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; 420#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; 421#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 422#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 434#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); 438#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;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; 437#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; 425#L558-3 [2019-11-20 08:12:20,639 INFO L796 eck$LassoCheckResult]: Loop: 425#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 428#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); 429#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 432#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; 424#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; 425#L558-3 [2019-11-20 08:12:20,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:20,639 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 2 times [2019-11-20 08:12:20,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:20,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182500113] [2019-11-20 08:12:20,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:20,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 2 times [2019-11-20 08:12:20,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:20,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349131938] [2019-11-20 08:12:20,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:20,689 INFO L82 PathProgramCache]: Analyzing trace with hash -915687550, now seen corresponding path program 1 times [2019-11-20 08:12:20,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:20,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126325182] [2019-11-20 08:12:20,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:20,737 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:20,843 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-11-20 08:12:21,603 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2019-11-20 08:12:21,846 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 08:12:21,850 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:12:21,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:12:21,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:12:21,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:12:21,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:12:21,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:21,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:12:21,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:12:21,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration3_Lasso [2019-11-20 08:12:21,851 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:12:21,851 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:12:21,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:21,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,329 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-11-20 08:12:22,440 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-11-20 08:12:22,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:12:22,902 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:12:22,902 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:22,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:22,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:22,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:22,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:22,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:22,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:22,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:22,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:22,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:22,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:22,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:22,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:22,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:22,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:22,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:22,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:22,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:22,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:22,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:22,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:22,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:22,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:22,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:22,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:22,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:22,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:22,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:23,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:23,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:23,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:23,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:23,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/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) [2019-11-20 08:12:23,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:12:23,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:12:23,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:12:23,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:23,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:23,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:12:23,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:12:23,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:12:23,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:12:23,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:12:23,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:12:23,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:12:23,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:12:23,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:12:23,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:12:23,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:12:23,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:12:23,237 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 08:12:23,237 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:12:23,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:12:23,242 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:12:23,243 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:12:23,243 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 [] [2019-11-20 08:12:23,301 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 08:12:23,302 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:12:23,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:23,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 08:12:23,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:23,391 INFO L343 Elim1Store]: treesize reduction 19, result has 76.5 percent of original size [2019-11-20 08:12:23,391 INFO L377 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 [2019-11-20 08:12:23,392 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:23,430 INFO L567 ElimStorePlain]: treesize reduction 28, result has 61.6 percent of original size [2019-11-20 08:12:23,431 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:23,431 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:12 [2019-11-20 08:12:23,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,508 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:23,508 INFO L377 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 [2019-11-20 08:12:23,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 08:12:23,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 08:12:23,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 08:12:23,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,513 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-11-20 08:12:23,582 INFO L567 ElimStorePlain]: treesize reduction 12, result has 86.8 percent of original size [2019-11-20 08:12:23,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:23,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2019-11-20 08:12:23,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:12:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:23,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 08:12:23,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:23,643 INFO L377 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 [2019-11-20 08:12:23,644 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:23,651 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:23,651 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:23,651 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 08:12:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:23,668 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 [2019-11-20 08:12:23,669 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand 10 states. [2019-11-20 08:12:23,878 INFO L76 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. [2019-11-20 08:12:23,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 08:12:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 08:12:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2019-11-20 08:12:23,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2019-11-20 08:12:23,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:23,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 13 letters. Loop has 5 letters. [2019-11-20 08:12:23,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:23,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2019-11-20 08:12:23,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:12:23,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 72 transitions. [2019-11-20 08:12:23,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:23,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 41 states and 49 transitions. [2019-11-20 08:12:23,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 08:12:23,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 08:12:23,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2019-11-20 08:12:23,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:12:23,885 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2019-11-20 08:12:23,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2019-11-20 08:12:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 28. [2019-11-20 08:12:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 08:12:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-11-20 08:12:23,888 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-11-20 08:12:23,888 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-11-20 08:12:23,888 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 08:12:23,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2019-11-20 08:12:23,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:23,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:23,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:23,890 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2019-11-20 08:12:23,890 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 08:12:23,891 INFO L794 eck$LassoCheckResult]: Stem: 689#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 685#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; 686#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; 687#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 688#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); 709#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;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; 708#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; 707#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 705#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); 704#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;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; 703#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; 695#L558-3 [2019-11-20 08:12:23,891 INFO L796 eck$LassoCheckResult]: Loop: 695#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 690#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); 691#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 698#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; 694#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; 695#L558-3 [2019-11-20 08:12:23,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:23,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1969201019, now seen corresponding path program 3 times [2019-11-20 08:12:23,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:23,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038021515] [2019-11-20 08:12:23,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:24,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038021515] [2019-11-20 08:12:24,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955874060] [2019-11-20 08:12:24,070 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:12:24,141 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-20 08:12:24,141 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 08:12:24,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 08:12:24,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:24,158 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,158 INFO L377 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 [2019-11-20 08:12:24,159 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,174 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,174 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-11-20 08:12:24,179 INFO L377 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 [2019-11-20 08:12:24,180 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-11-20 08:12:24,207 INFO L377 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 [2019-11-20 08:12:24,208 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,215 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,216 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,216 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2019-11-20 08:12:24,241 INFO L377 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 [2019-11-20 08:12:24,241 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,248 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,248 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:3 [2019-11-20 08:12:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:24,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 08:12:24,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2019-11-20 08:12:24,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508303305] [2019-11-20 08:12:24,265 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 08:12:24,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:24,265 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 3 times [2019-11-20 08:12:24,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:24,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55234702] [2019-11-20 08:12:24,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:24,279 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:24,393 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-11-20 08:12:24,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:12:24,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 08:12:24,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:12:24,446 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-11-20 08:12:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:12:24,561 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-11-20 08:12:24,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 08:12:24,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 53 transitions. [2019-11-20 08:12:24,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:24,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 24 states and 26 transitions. [2019-11-20 08:12:24,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-20 08:12:24,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 08:12:24,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2019-11-20 08:12:24,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:12:24,564 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-11-20 08:12:24,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2019-11-20 08:12:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2019-11-20 08:12:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 08:12:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-11-20 08:12:24,566 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-11-20 08:12:24,566 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-11-20 08:12:24,566 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 08:12:24,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2019-11-20 08:12:24,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 08:12:24,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:12:24,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:12:24,568 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:12:24,568 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 08:12:24,568 INFO L794 eck$LassoCheckResult]: Stem: 817#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 813#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; 814#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; 815#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 816#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 825#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); 826#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 828#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; 820#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; 821#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 830#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); 829#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;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; 818#L559-2 [2019-11-20 08:12:24,568 INFO L796 eck$LassoCheckResult]: Loop: 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; 819#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 823#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); 824#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 827#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 [2019-11-20 08:12:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:24,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1913288219, now seen corresponding path program 2 times [2019-11-20 08:12:24,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:24,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511688342] [2019-11-20 08:12:24,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:12:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:24,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511688342] [2019-11-20 08:12:24,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487958649] [2019-11-20 08:12:24,719 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_348f7a78-7930-4a14-b9b3-f75e382dbbc4/bin/uautomizer/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:12:24,763 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 08:12:24,764 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 08:12:24,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 08:12:24,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:12:24,773 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,774 INFO L377 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 [2019-11-20 08:12:24,774 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,778 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,779 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,779 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-11-20 08:12:24,813 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2019-11-20 08:12:24,814 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,820 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,820 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,820 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:26 [2019-11-20 08:12:24,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 08:12:24,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 08:12:24,841 INFO L377 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 31 treesize of output 29 [2019-11-20 08:12:24,841 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,848 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,849 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:71, output treesize:18 [2019-11-20 08:12:24,853 INFO L377 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 28 treesize of output 12 [2019-11-20 08:12:24,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,857 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:12:24,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:12:24,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:5 [2019-11-20 08:12:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:12:24,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 08:12:24,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2019-11-20 08:12:24,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496005378] [2019-11-20 08:12:24,867 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 08:12:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:12:24,867 INFO L82 PathProgramCache]: Analyzing trace with hash 61511628, now seen corresponding path program 4 times [2019-11-20 08:12:24,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:12:24,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239220254] [2019-11-20 08:12:24,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:12:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:12:24,879 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:12:24,988 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-11-20 08:12:25,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:12:25,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 08:12:25,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-11-20 08:12:25,028 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 4 Second operand 12 states. [2019-11-20 08:12:25,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:12:25,137 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-20 08:12:25,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 08:12:25,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2019-11-20 08:12:25,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:12:25,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-20 08:12:25,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:12:25,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:12:25,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:12:25,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:12:25,139 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:12:25,139 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:12:25,139 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:12:25,139 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 08:12:25,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:12:25,139 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:12:25,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 08:12:25,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:12:25 BoogieIcfgContainer [2019-11-20 08:12:25,145 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:12:25,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:12:25,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:12:25,146 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:12:25,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13" (3/4) ... [2019-11-20 08:12:25,150 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:12:25,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:12:25,152 INFO L168 Benchmark]: Toolchain (without parser) took 12853.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.9 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -303.2 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:12:25,153 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:12:25,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:12:25,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:12:25,154 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:12:25,155 INFO L168 Benchmark]: RCFGBuilder took 363.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:12:25,155 INFO L168 Benchmark]: BuchiAutomizer took 11809.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -159.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:12:25,155 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:12:25,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 363.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11809.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -159.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 9.9s. Construction of modules took 0.2s. Büchi inclusion checks took 1.4s. 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: 29 SDtfs, 102 SDslu, 44 SDs, 0 SdLazy, 178 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital551 mio100 ax104 hnf100 lsp93 ukn46 mio100 lsp38 div100 bol100 ite100 ukn100 eq182 hnf88 smp96 dnf101 smp100 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 297ms 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...