./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_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_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 b4afea49cf97a69d20f4a5a7301b61ef07ffc206 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:40:40,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:40:40,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:40:40,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:40:40,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:40:40,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:40:40,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:40:40,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:40:40,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:40:40,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:40:40,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:40:40,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:40:40,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:40:40,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:40:40,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:40:40,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:40:40,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:40:40,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:40:40,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:40:40,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:40:40,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:40:40,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:40:40,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:40:40,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:40:40,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:40:40,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:40:40,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:40:40,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:40:40,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:40:40,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:40:40,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:40:40,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:40:40,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:40:40,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:40:40,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:40:40,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:40:40,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:40:40,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:40:40,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:40:40,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:40:40,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:40:40,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 04:40:41,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:40:41,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:40:41,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:40:41,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:40:41,033 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:40:41,034 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:40:41,034 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:40:41,034 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:40:41,034 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:40:41,034 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:40:41,035 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:40:41,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:40:41,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:40:41,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:40:41,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:40:41,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:40:41,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:40:41,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:40:41,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:40:41,037 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:40:41,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:40:41,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:40:41,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:40:41,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:40:41,039 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:40:41,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:40:41,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:40:41,040 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:40:41,041 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:40:41,041 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_79de4c81-85f4-43a6-9606-38a525eddba4/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 -> b4afea49cf97a69d20f4a5a7301b61ef07ffc206 [2019-11-20 04:40:41,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:40:41,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:40:41,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:40:41,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:40:41,248 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:40:41,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2019-11-20 04:40:41,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/data/6297e7894/06559360e9614a30853f2d1a0bab339e/FLAG2656b606a [2019-11-20 04:40:41,737 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:40:41,738 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2019-11-20 04:40:41,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/data/6297e7894/06559360e9614a30853f2d1a0bab339e/FLAG2656b606a [2019-11-20 04:40:42,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/data/6297e7894/06559360e9614a30853f2d1a0bab339e [2019-11-20 04:40:42,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:40:42,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:40:42,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:42,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:40:42,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:40:42,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab5051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42, skipping insertion in model container [2019-11-20 04:40:42,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:40:42,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:40:42,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:42,625 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:40:42,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:42,750 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:40:42,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42 WrapperNode [2019-11-20 04:40:42,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:42,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:42,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:40:42,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:40:42,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:42,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:40:42,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:40:42,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:40:42,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... [2019-11-20 04:40:42,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:40:42,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:40:42,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:40:42,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:40:42,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:40:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:40:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:40:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:40:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:40:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:40:43,183 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:40:43,183 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 04:40:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:43 BoogieIcfgContainer [2019-11-20 04:40:43,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:40:43,185 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:40:43,185 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:40:43,188 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:40:43,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:40:43,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:40:42" (1/3) ... [2019-11-20 04:40:43,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d2225be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:40:43, skipping insertion in model container [2019-11-20 04:40:43,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:40:43,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:42" (2/3) ... [2019-11-20 04:40:43,191 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d2225be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:40:43, skipping insertion in model container [2019-11-20 04:40:43,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:40:43,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:43" (3/3) ... [2019-11-20 04:40:43,193 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2019-11-20 04:40:43,260 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:40:43,260 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:40:43,262 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:40:43,263 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:40:43,263 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:40:43,263 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:40:43,263 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:40:43,263 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:40:43,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 04:40:43,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 04:40:43,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:43,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:43,309 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:40:43,309 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:40:43,309 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:40:43,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 04:40:43,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 04:40:43,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:43,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:43,317 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:40:43,317 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:40:43,323 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 12#L553-3true [2019-11-20 04:40:43,324 INFO L796 eck$LassoCheckResult]: Loop: 12#L553-3true call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 9#L553-1true assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 13#L555-5true assume !true; 16#L555-6true call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 12#L553-3true [2019-11-20 04:40:43,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,329 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 04:40:43,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532459899] [2019-11-20 04:40:43,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,500 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2019-11-20 04:40:43,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503450240] [2019-11-20 04:40:43,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:43,535 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 04:40:43,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503450240] [2019-11-20 04:40:43,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:40:43,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:40:43,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676666789] [2019-11-20 04:40:43,540 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:40:43,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:43,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:40:43,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:40:43,557 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-20 04:40:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:43,562 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-20 04:40:43,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:40:43,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-11-20 04:40:43,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 04:40:43,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2019-11-20 04:40:43,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 04:40:43,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 04:40:43,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-11-20 04:40:43,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:40:43,571 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-20 04:40:43,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-11-20 04:40:43,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 04:40:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 04:40:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-11-20 04:40:43,592 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-20 04:40:43,592 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-20 04:40:43,593 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:40:43,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2019-11-20 04:40:43,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 04:40:43,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:43,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:43,594 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:40:43,594 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:40:43,594 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 37#L553-3 [2019-11-20 04:40:43,595 INFO L796 eck$LassoCheckResult]: Loop: 37#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 39#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 40#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 44#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 41#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 42#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 37#L553-3 [2019-11-20 04:40:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,595 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 04:40:43,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752390236] [2019-11-20 04:40:43,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2019-11-20 04:40:43,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328940648] [2019-11-20 04:40:43,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:43,697 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 04:40:43,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328940648] [2019-11-20 04:40:43,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:40:43,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:40:43,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724134069] [2019-11-20 04:40:43,698 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:40:43,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:43,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:40:43,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:40:43,699 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand 5 states. [2019-11-20 04:40:43,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:43,788 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-11-20 04:40:43,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:40:43,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-11-20 04:40:43,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-11-20 04:40:43,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 04:40:43,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-20 04:40:43,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 04:40:43,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2019-11-20 04:40:43,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:40:43,792 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 04:40:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2019-11-20 04:40:43,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-20 04:40:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 04:40:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 04:40:43,794 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 04:40:43,795 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 04:40:43,795 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 04:40:43,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-20 04:40:43,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-20 04:40:43,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:43,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:43,796 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:40:43,796 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:40:43,796 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 72#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 73#L553-3 [2019-11-20 04:40:43,796 INFO L796 eck$LassoCheckResult]: Loop: 73#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 75#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 76#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 80#L555-1 assume !test_fun_#t~short8; 83#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 81#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 73#L553-3 [2019-11-20 04:40:43,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,797 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2019-11-20 04:40:43,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646875457] [2019-11-20 04:40:43,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2019-11-20 04:40:43,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959550986] [2019-11-20 04:40:43,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:43,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:43,906 INFO L82 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2019-11-20 04:40:43,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:43,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573178766] [2019-11-20 04:40:43,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:43,970 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:44,112 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-20 04:40:44,397 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-11-20 04:40:44,500 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:40:44,502 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:40:44,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:40:44,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:40:44,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:40:44,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:44,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:40:44,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:40:44,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2019-11-20 04:40:44,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:40:44,504 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:40:44,534 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 04:40:44,545 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 04:40:44,549 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 04:40:44,551 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 04:40:44,554 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 04:40:44,556 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 04:40:44,560 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 04:40:44,563 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 04:40:44,565 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 04:40:44,568 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 04:40:44,571 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 04:40:44,578 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 04:40:44,581 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 04:40:44,827 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-11-20 04:40:44,941 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-11-20 04:40:44,942 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 04:40:44,945 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 04:40:44,948 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 04:40:44,953 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 04:40:44,956 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 04:40:44,959 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 04:40:45,464 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:40:45,469 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:45,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:45,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:45,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:45,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:45,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:45,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:45,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:45,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:45,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:45,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:45,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:45,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:45,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:45,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:45,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:45,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:40:46,009 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 04:40:46,009 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:46,029 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:46,032 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:40:46,033 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:40:46,033 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) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 + 1 Supporting invariants [] [2019-11-20 04:40:46,101 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 04:40:46,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:40:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:46,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:40:46,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:46,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 04:40:46,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:46,228 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 30 treesize of output 25 [2019-11-20 04:40:46,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:46,240 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:46,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:40:46,241 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:30 [2019-11-20 04:40:46,277 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 04:40:46,281 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 04:40:46,282 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-20 04:40:46,399 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 8 states. [2019-11-20 04:40:46,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:40:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:40:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-11-20 04:40:46,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 04:40:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:46,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 04:40:46,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:46,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-20 04:40:46,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:46,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2019-11-20 04:40:46,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-20 04:40:46,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2019-11-20 04:40:46,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-20 04:40:46,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 04:40:46,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2019-11-20 04:40:46,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:46,408 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-20 04:40:46,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2019-11-20 04:40:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2019-11-20 04:40:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-20 04:40:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-11-20 04:40:46,417 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-20 04:40:46,417 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-20 04:40:46,418 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 04:40:46,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-11-20 04:40:46,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-20 04:40:46,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:46,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:46,419 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 04:40:46,419 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:46,419 INFO L794 eck$LassoCheckResult]: Stem: 217#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 215#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 216#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 222#L553-1 [2019-11-20 04:40:46,420 INFO L796 eck$LassoCheckResult]: Loop: 222#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 223#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 228#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 218#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 219#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 226#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 237#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 236#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 232#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 230#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 222#L553-1 [2019-11-20 04:40:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,420 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 04:40:46,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:46,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24197320] [2019-11-20 04:40:46,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,466 INFO L82 PathProgramCache]: Analyzing trace with hash 15750502, now seen corresponding path program 1 times [2019-11-20 04:40:46,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:46,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731483824] [2019-11-20 04:40:46,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:46,552 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 04:40:46,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731483824] [2019-11-20 04:40:46,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801720869] [2019-11-20 04:40:46,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:40:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:46,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:40:46,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:46,608 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-20 04:40:46,608 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:46,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:46,610 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:46,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-20 04:40:46,618 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-20 04:40:46,621 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:46,630 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:46,630 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:46,631 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-11-20 04:40:46,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:46,652 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 04:40:46,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:40:46,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2019-11-20 04:40:46,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128229276] [2019-11-20 04:40:46,653 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:40:46,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:46,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 04:40:46,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:40:46,654 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand 7 states. [2019-11-20 04:40:46,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:46,742 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2019-11-20 04:40:46,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 04:40:46,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 60 transitions. [2019-11-20 04:40:46,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2019-11-20 04:40:46,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 60 transitions. [2019-11-20 04:40:46,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2019-11-20 04:40:46,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-11-20 04:40:46,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 60 transitions. [2019-11-20 04:40:46,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:46,748 INFO L688 BuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2019-11-20 04:40:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 60 transitions. [2019-11-20 04:40:46,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2019-11-20 04:40:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-20 04:40:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-11-20 04:40:46,752 INFO L711 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-11-20 04:40:46,752 INFO L591 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-11-20 04:40:46,752 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 04:40:46,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2019-11-20 04:40:46,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-20 04:40:46,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:46,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:46,753 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 04:40:46,754 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:46,754 INFO L794 eck$LassoCheckResult]: Stem: 331#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 329#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 330#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 332#L553-1 [2019-11-20 04:40:46,754 INFO L796 eck$LassoCheckResult]: Loop: 332#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 333#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 344#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 336#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 337#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 340#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 353#L555-1 assume !test_fun_#t~short8; 350#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 346#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 342#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 332#L553-1 [2019-11-20 04:40:46,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,754 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-20 04:40:46,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:46,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091496254] [2019-11-20 04:40:46,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,778 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:46,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,779 INFO L82 PathProgramCache]: Analyzing trace with hash 15810084, now seen corresponding path program 1 times [2019-11-20 04:40:46,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:46,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119674488] [2019-11-20 04:40:46,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:46,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1871610631, now seen corresponding path program 1 times [2019-11-20 04:40:46,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:46,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997152644] [2019-11-20 04:40:46,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:46,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:47,087 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-11-20 04:40:47,366 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-11-20 04:40:47,470 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-20 04:40:47,477 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:40:47,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:40:47,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:40:47,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:40:47,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:40:47,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:47,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:40:47,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:40:47,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration5_Lasso [2019-11-20 04:40:47,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:40:47,478 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:40:47,481 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 04:40:47,486 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 04:40:47,488 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 04:40:47,491 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 04:40:47,493 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 04:40:47,497 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 04:40:47,500 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 04:40:47,503 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 04:40:47,510 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 04:40:47,512 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 04:40:47,514 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 04:40:47,517 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 04:40:47,522 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 04:40:47,524 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 04:40:47,527 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 04:40:47,529 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 04:40:47,532 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 04:40:47,535 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 04:40:47,537 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 04:40:47,758 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-11-20 04:40:48,235 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:40:48,235 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:48,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:48,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,326 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 04:40:48,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,339 INFO L402 nArgumentSynthesizer]: A total of 0 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 04:40:48,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:48,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:48,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:48,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:48,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:48,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:48,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:48,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:48,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:48,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:48,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:48,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:48,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:40:48,647 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 04:40:48,648 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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) [2019-11-20 04:40:48,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:48,656 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:40:48,656 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:40:48,657 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 04:40:48,729 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 04:40:48,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:40:48,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:48,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:40:48,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:48,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 04:40:48,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:48,834 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:48,835 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 42 [2019-11-20 04:40:48,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:48,836 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:48,867 INFO L567 ElimStorePlain]: treesize reduction 16, result has 59.0 percent of original size [2019-11-20 04:40:48,868 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:48,868 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:23 [2019-11-20 04:40:48,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,043 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:49,044 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 69 [2019-11-20 04:40:49,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 04:40:49,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,047 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:49,110 INFO L567 ElimStorePlain]: treesize reduction 38, result has 56.3 percent of original size [2019-11-20 04:40:49,111 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:49,111 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:47 [2019-11-20 04:40:49,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,372 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-20 04:40:49,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:49,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 04:40:49,450 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 33 [2019-11-20 04:40:49,451 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:49,458 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:49,459 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 1 case distinctions, treesize of input 54 treesize of output 33 [2019-11-20 04:40:49,459 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:49,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:49,481 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-20 04:40:49,481 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:109, output treesize:77 [2019-11-20 04:40:49,536 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 04:40:49,536 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-20 04:40:49,536 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 13 Second operand 10 states. [2019-11-20 04:40:49,944 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 13. Second operand 10 states. Result 118 states and 150 transitions. Complement of second has 19 states. [2019-11-20 04:40:49,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2019-11-20 04:40:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 04:40:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 29 transitions. [2019-11-20 04:40:49,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-20 04:40:49,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:49,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 13 letters. Loop has 10 letters. [2019-11-20 04:40:49,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:49,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 3 letters. Loop has 20 letters. [2019-11-20 04:40:49,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:49,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 150 transitions. [2019-11-20 04:40:49,956 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2019-11-20 04:40:49,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 113 states and 145 transitions. [2019-11-20 04:40:49,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2019-11-20 04:40:49,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2019-11-20 04:40:49,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 145 transitions. [2019-11-20 04:40:49,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:49,959 INFO L688 BuchiCegarLoop]: Abstraction has 113 states and 145 transitions. [2019-11-20 04:40:49,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 145 transitions. [2019-11-20 04:40:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2019-11-20 04:40:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-20 04:40:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2019-11-20 04:40:49,967 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 131 transitions. [2019-11-20 04:40:49,968 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 131 transitions. [2019-11-20 04:40:49,968 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 04:40:49,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 131 transitions. [2019-11-20 04:40:49,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2019-11-20 04:40:49,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:49,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:49,970 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 04:40:49,970 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 1, 1, 1, 1] [2019-11-20 04:40:49,971 INFO L794 eck$LassoCheckResult]: Stem: 617#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 615#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 616#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 679#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 619#L555-5 [2019-11-20 04:40:49,971 INFO L796 eck$LassoCheckResult]: Loop: 619#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 637#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 622#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 623#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 626#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 629#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 662#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 659#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 658#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 642#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 643#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 634#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 631#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 618#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 619#L555-5 [2019-11-20 04:40:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-20 04:40:49,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:49,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851963032] [2019-11-20 04:40:49,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:49,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:49,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:49,987 INFO L82 PathProgramCache]: Analyzing trace with hash 527155748, now seen corresponding path program 2 times [2019-11-20 04:40:49,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:49,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481083993] [2019-11-20 04:40:49,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:50,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1781235253, now seen corresponding path program 1 times [2019-11-20 04:40:50,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:50,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658780596] [2019-11-20 04:40:50,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:40:50,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658780596] [2019-11-20 04:40:50,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433247827] [2019-11-20 04:40:50,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:40:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:50,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:40:50,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:50,159 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-20 04:40:50,159 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:50,161 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,161 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-20 04:40:50,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-20 04:40:50,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:50,172 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,172 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-11-20 04:40:50,184 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-20 04:40:50,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:50,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:50,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-11-20 04:40:50,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:40:50,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:40:50,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2019-11-20 04:40:50,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631022059] [2019-11-20 04:40:50,552 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2019-11-20 04:40:50,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:50,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 04:40:50,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-20 04:40:50,589 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. cyclomatic complexity: 38 Second operand 9 states. [2019-11-20 04:40:50,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:50,714 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2019-11-20 04:40:50,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 04:40:50,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 177 transitions. [2019-11-20 04:40:50,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2019-11-20 04:40:50,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 139 states and 175 transitions. [2019-11-20 04:40:50,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2019-11-20 04:40:50,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2019-11-20 04:40:50,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 175 transitions. [2019-11-20 04:40:50,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:50,722 INFO L688 BuchiCegarLoop]: Abstraction has 139 states and 175 transitions. [2019-11-20 04:40:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 175 transitions. [2019-11-20 04:40:50,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 109. [2019-11-20 04:40:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 04:40:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 143 transitions. [2019-11-20 04:40:50,731 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 143 transitions. [2019-11-20 04:40:50,731 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 143 transitions. [2019-11-20 04:40:50,731 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 04:40:50,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 143 transitions. [2019-11-20 04:40:50,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-20 04:40:50,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:50,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:50,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 04:40:50,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 04:40:50,734 INFO L794 eck$LassoCheckResult]: Stem: 928#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 926#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 927#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 985#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 930#L555-5 [2019-11-20 04:40:50,734 INFO L796 eck$LassoCheckResult]: Loop: 930#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 943#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 968#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 966#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 967#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 947#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 933#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 934#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 937#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 965#L555-1 assume !test_fun_#t~short8; 981#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 980#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 969#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 929#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 930#L555-5 [2019-11-20 04:40:50,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:50,734 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2019-11-20 04:40:50,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:50,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328846614] [2019-11-20 04:40:50,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:50,752 INFO L82 PathProgramCache]: Analyzing trace with hash 529002790, now seen corresponding path program 2 times [2019-11-20 04:40:50,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:50,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988074633] [2019-11-20 04:40:50,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,801 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:50,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:50,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1779388211, now seen corresponding path program 2 times [2019-11-20 04:40:50,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:50,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245239396] [2019-11-20 04:40:50,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:50,888 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:51,221 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 92 [2019-11-20 04:40:51,480 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-11-20 04:40:51,555 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:40:51,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:40:51,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:40:51,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:40:51,555 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:40:51,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:51,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:40:51,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:40:51,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration7_Lasso [2019-11-20 04:40:51,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:40:51,556 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:40:51,559 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 04:40:51,561 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 04:40:51,563 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 04:40:51,564 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 04:40:51,568 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 04:40:51,570 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 04:40:51,572 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 04:40:51,574 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 04:40:51,576 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 04:40:51,578 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 04:40:51,581 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 04:40:51,582 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 04:40:51,584 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 04:40:51,586 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 04:40:51,588 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 04:40:51,590 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 04:40:51,592 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 04:40:51,594 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 04:40:51,596 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 04:40:51,781 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-11-20 04:40:51,855 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 04:40:52,139 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:40:52,139 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:52,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:52,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:52,166 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 04:40:52,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,173 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 04:40:52,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:52,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:52,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:52,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/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 04:40:52,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:52,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:52,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:52,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:52,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:52,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:52,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:52,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:52,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:52,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:52,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:52,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:52,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:52,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:52,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:52,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:52,371 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:40:52,387 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 04:40:52,387 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:52,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:40:52,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:40:52,392 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:40:52,392 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 04:40:52,418 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 04:40:52,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:40:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:52,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:40:52,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:52,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 04:40:52,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:52,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:52,530 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:52,530 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-20 04:40:52,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 04:40:52,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:52,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,586 INFO L567 ElimStorePlain]: treesize reduction 24, result has 82.6 percent of original size [2019-11-20 04:40:52,586 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,586 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:114 [2019-11-20 04:40:52,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:52,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:52,658 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:52,658 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 1 case distinctions, treesize of input 62 treesize of output 41 [2019-11-20 04:40:52,659 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,677 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 62 treesize of output 41 [2019-11-20 04:40:52,678 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:52,728 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 04:40:52,728 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:121 [2019-11-20 04:40:52,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:52,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 04:40:52,799 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:52,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 52 [2019-11-20 04:40:52,800 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,805 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 77 treesize of output 52 [2019-11-20 04:40:52,805 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:52,832 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:52,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 04:40:52,832 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:121 [2019-11-20 04:40:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:40:52,874 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-20 04:40:52,874 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40 Second operand 8 states. [2019-11-20 04:40:53,641 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40. Second operand 8 states. Result 281 states and 357 transitions. Complement of second has 27 states. [2019-11-20 04:40:53,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 12 non-accepting loop states 1 accepting loop states [2019-11-20 04:40:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 04:40:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 32 transitions. [2019-11-20 04:40:53,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 32 transitions. Stem has 4 letters. Loop has 14 letters. [2019-11-20 04:40:53,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:53,643 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:40:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:53,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:40:53,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:53,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 04:40:53,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:53,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:53,743 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:53,743 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-20 04:40:53,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 04:40:53,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:53,746 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:53,795 INFO L567 ElimStorePlain]: treesize reduction 24, result has 82.6 percent of original size [2019-11-20 04:40:53,796 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:53,796 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:114 [2019-11-20 04:40:53,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:53,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:53,860 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:53,861 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 1 case distinctions, treesize of input 62 treesize of output 41 [2019-11-20 04:40:53,861 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:53,866 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 62 treesize of output 41 [2019-11-20 04:40:53,867 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:53,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:53,907 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 04:40:53,907 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:121 [2019-11-20 04:40:53,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:53,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 04:40:53,976 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:53,976 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 52 [2019-11-20 04:40:53,977 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:53,983 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 77 treesize of output 52 [2019-11-20 04:40:53,984 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:54,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:54,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-20 04:40:54,040 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:121 [2019-11-20 04:40:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:40:54,098 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-20 04:40:54,098 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40 Second operand 8 states. [2019-11-20 04:40:55,162 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40. Second operand 8 states. Result 361 states and 453 transitions. Complement of second has 31 states. [2019-11-20 04:40:55,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 1 stem states 14 non-accepting loop states 1 accepting loop states [2019-11-20 04:40:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 04:40:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 35 transitions. [2019-11-20 04:40:55,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 4 letters. Loop has 14 letters. [2019-11-20 04:40:55,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:55,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 18 letters. Loop has 14 letters. [2019-11-20 04:40:55,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:55,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 4 letters. Loop has 28 letters. [2019-11-20 04:40:55,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:55,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 453 transitions. [2019-11-20 04:40:55,168 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 38 [2019-11-20 04:40:55,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 290 states and 370 transitions. [2019-11-20 04:40:55,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2019-11-20 04:40:55,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-20 04:40:55,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 290 states and 370 transitions. [2019-11-20 04:40:55,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:55,175 INFO L688 BuchiCegarLoop]: Abstraction has 290 states and 370 transitions. [2019-11-20 04:40:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states and 370 transitions. [2019-11-20 04:40:55,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 233. [2019-11-20 04:40:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-20 04:40:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 304 transitions. [2019-11-20 04:40:55,190 INFO L711 BuchiCegarLoop]: Abstraction has 233 states and 304 transitions. [2019-11-20 04:40:55,190 INFO L591 BuchiCegarLoop]: Abstraction has 233 states and 304 transitions. [2019-11-20 04:40:55,190 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 04:40:55,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 304 transitions. [2019-11-20 04:40:55,191 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-11-20 04:40:55,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:55,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:55,192 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:40:55,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:40:55,193 INFO L794 eck$LassoCheckResult]: Stem: 1956#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1954#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 1955#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 1957#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1958#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 1971#L555-1 [2019-11-20 04:40:55,193 INFO L796 eck$LassoCheckResult]: Loop: 1971#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 1962#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1963#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 1966#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 1971#L555-1 [2019-11-20 04:40:55,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:55,193 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-11-20 04:40:55,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:55,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492864223] [2019-11-20 04:40:55,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:55,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1547289, now seen corresponding path program 1 times [2019-11-20 04:40:55,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:55,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962554905] [2019-11-20 04:40:55,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:55,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1271571777, now seen corresponding path program 1 times [2019-11-20 04:40:55,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:55,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450696491] [2019-11-20 04:40:55,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:55,235 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:55,655 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-20 04:40:56,118 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2019-11-20 04:40:56,120 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:40:56,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:40:56,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:40:56,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:40:56,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:40:56,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:56,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:40:56,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:40:56,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration8_Lasso [2019-11-20 04:40:56,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:40:56,121 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:40:56,128 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 04:40:56,131 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 04:40:56,133 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 04:40:56,135 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 04:40:56,136 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 04:40:56,138 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 04:40:56,141 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 04:40:56,145 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 04:40:56,147 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 04:40:56,148 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 04:40:56,602 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-11-20 04:40:56,702 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 04:40:56,704 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 04:40:56,705 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 04:40:56,707 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 04:40:56,709 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 04:40:56,711 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 04:40:57,190 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-11-20 04:40:57,307 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-20 04:40:57,334 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:40:57,334 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:57,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:57,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:57,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:57,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:40:57,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:40:57,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:40:57,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:40:57,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:57,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:40:57,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:40:57,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:40:57,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:40:57,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:40:57,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:40:57,482 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 04:40:57,482 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:40:57,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:40:57,504 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 04:40:57,504 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 04:40:57,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:40:57,631 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 04:40:57,631 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:40:57,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:40:57,638 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 04:40:57,638 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:40:57,638 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 + 2147483647 Supporting invariants [] [2019-11-20 04:40:57,672 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 04:40:57,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:40:57,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:57,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:40:57,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:57,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:40:57,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:57,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:57,751 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-20 04:40:57,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:57,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:57,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:57,759 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2019-11-20 04:40:57,774 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 04:40:57,774 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 04:40:57,774 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 233 states and 304 transitions. cyclomatic complexity: 84 Second operand 5 states. [2019-11-20 04:40:57,806 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 233 states and 304 transitions. cyclomatic complexity: 84. Second operand 5 states. Result 372 states and 485 transitions. Complement of second has 9 states. [2019-11-20 04:40:57,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:40:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:40:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-11-20 04:40:57,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 04:40:57,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:57,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-20 04:40:57,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:57,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-20 04:40:57,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:40:57,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 485 transitions. [2019-11-20 04:40:57,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-11-20 04:40:57,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 317 states and 410 transitions. [2019-11-20 04:40:57,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2019-11-20 04:40:57,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2019-11-20 04:40:57,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 410 transitions. [2019-11-20 04:40:57,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:57,818 INFO L688 BuchiCegarLoop]: Abstraction has 317 states and 410 transitions. [2019-11-20 04:40:57,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 410 transitions. [2019-11-20 04:40:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2019-11-20 04:40:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-20 04:40:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 349 transitions. [2019-11-20 04:40:57,831 INFO L711 BuchiCegarLoop]: Abstraction has 266 states and 349 transitions. [2019-11-20 04:40:57,831 INFO L591 BuchiCegarLoop]: Abstraction has 266 states and 349 transitions. [2019-11-20 04:40:57,831 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 04:40:57,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 266 states and 349 transitions. [2019-11-20 04:40:57,833 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-11-20 04:40:57,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:57,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:57,834 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:57,834 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:57,834 INFO L794 eck$LassoCheckResult]: Stem: 2661#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2659#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 2660#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2676#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2842#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2807#L555-1 assume !test_fun_#t~short8; 2737#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 2732#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 2686#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2687#L553-1 [2019-11-20 04:40:57,835 INFO L796 eck$LassoCheckResult]: Loop: 2687#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2735#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2725#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 2662#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2663#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 2707#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2693#L555-1 assume !test_fun_#t~short8; 2695#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 2679#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 2680#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2687#L553-1 [2019-11-20 04:40:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:57,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629551, now seen corresponding path program 2 times [2019-11-20 04:40:57,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:57,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706755171] [2019-11-20 04:40:57,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:57,850 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:57,850 INFO L82 PathProgramCache]: Analyzing trace with hash 15810084, now seen corresponding path program 3 times [2019-11-20 04:40:57,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:57,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438235224] [2019-11-20 04:40:57,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:57,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:57,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:57,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1831564178, now seen corresponding path program 3 times [2019-11-20 04:40:57,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:57,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14204172] [2019-11-20 04:40:57,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:57,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:40:57,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14204172] [2019-11-20 04:40:57,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782720872] [2019-11-20 04:40:57,976 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:40:58,033 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-20 04:40:58,033 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 04:40:58,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 04:40:58,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:58,045 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-20 04:40:58,045 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,048 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2019-11-20 04:40:58,053 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-20 04:40:58,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,058 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,058 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2019-11-20 04:40:58,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:58,120 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 36 treesize of output 23 [2019-11-20 04:40:58,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,127 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,128 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,128 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:25 [2019-11-20 04:40:58,151 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 26 treesize of output 21 [2019-11-20 04:40:58,152 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,159 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,159 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-11-20 04:40:58,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:40:58,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:40:58,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2019-11-20 04:40:58,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565427330] [2019-11-20 04:40:58,390 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-11-20 04:40:58,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:58,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 04:40:58,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-20 04:40:58,419 INFO L87 Difference]: Start difference. First operand 266 states and 349 transitions. cyclomatic complexity: 98 Second operand 12 states. [2019-11-20 04:40:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:58,531 INFO L93 Difference]: Finished difference Result 313 states and 355 transitions. [2019-11-20 04:40:58,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 04:40:58,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 355 transitions. [2019-11-20 04:40:58,540 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 38 [2019-11-20 04:40:58,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 139 states and 158 transitions. [2019-11-20 04:40:58,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2019-11-20 04:40:58,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2019-11-20 04:40:58,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 158 transitions. [2019-11-20 04:40:58,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:58,542 INFO L688 BuchiCegarLoop]: Abstraction has 139 states and 158 transitions. [2019-11-20 04:40:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 158 transitions. [2019-11-20 04:40:58,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 130. [2019-11-20 04:40:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-20 04:40:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2019-11-20 04:40:58,547 INFO L711 BuchiCegarLoop]: Abstraction has 130 states and 149 transitions. [2019-11-20 04:40:58,547 INFO L591 BuchiCegarLoop]: Abstraction has 130 states and 149 transitions. [2019-11-20 04:40:58,547 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 04:40:58,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 149 transitions. [2019-11-20 04:40:58,548 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-11-20 04:40:58,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:58,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:58,549 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:58,549 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 04:40:58,550 INFO L794 eck$LassoCheckResult]: Stem: 3315#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3313#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 3314#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3359#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3358#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3353#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3354#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3349#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3350#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3346#L555-1 assume !test_fun_#t~short8; 3345#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 3344#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3342#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3330#L553-1 [2019-11-20 04:40:58,550 INFO L796 eck$LassoCheckResult]: Loop: 3330#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3409#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3406#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3404#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3402#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3399#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3397#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3394#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3395#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3388#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3389#L555-1 assume !test_fun_#t~short8; 3340#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 3341#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3329#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3330#L553-1 [2019-11-20 04:40:58,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:58,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1871610631, now seen corresponding path program 4 times [2019-11-20 04:40:58,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:58,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485821059] [2019-11-20 04:40:58,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:58,570 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:58,570 INFO L82 PathProgramCache]: Analyzing trace with hash 535533500, now seen corresponding path program 4 times [2019-11-20 04:40:58,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:58,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439021157] [2019-11-20 04:40:58,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:58,591 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:58,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:58,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1585620926, now seen corresponding path program 5 times [2019-11-20 04:40:58,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:58,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322422433] [2019-11-20 04:40:58,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:40:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 04:40:58,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322422433] [2019-11-20 04:40:58,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478215094] [2019-11-20 04:40:58,745 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:40:58,801 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2019-11-20 04:40:58,801 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 04:40:58,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:40:58,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:40:58,810 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-20 04:40:58,810 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,812 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,812 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,812 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-20 04:40:58,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:58,870 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:58,870 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 63 [2019-11-20 04:40:58,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 04:40:58,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:58,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,897 INFO L567 ElimStorePlain]: treesize reduction 32, result has 50.8 percent of original size [2019-11-20 04:40:58,897 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:58,897 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:33 [2019-11-20 04:40:58,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:58,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:59,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 04:40:59,007 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2019-11-20 04:40:59,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:59,014 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:59,014 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 1 case distinctions, treesize of input 47 treesize of output 30 [2019-11-20 04:40:59,015 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:59,045 INFO L567 ElimStorePlain]: treesize reduction 37, result has 43.1 percent of original size [2019-11-20 04:40:59,045 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:59,045 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:95, output treesize:28 [2019-11-20 04:40:59,095 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:40:59,095 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 62 [2019-11-20 04:40:59,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 04:40:59,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:59,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:40:59,135 INFO L567 ElimStorePlain]: treesize reduction 16, result has 80.2 percent of original size [2019-11-20 04:40:59,136 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:40:59,136 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:65 [2019-11-20 04:40:59,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:40:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 04:40:59,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:40:59,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2019-11-20 04:40:59,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099450860] [2019-11-20 04:40:59,460 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 92 [2019-11-20 04:40:59,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:40:59,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-20 04:40:59,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2019-11-20 04:40:59,495 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. cyclomatic complexity: 27 Second operand 21 states. [2019-11-20 04:40:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:40:59,937 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2019-11-20 04:40:59,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 04:40:59,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 113 transitions. [2019-11-20 04:40:59,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 04:40:59,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 69 states and 78 transitions. [2019-11-20 04:40:59,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-11-20 04:40:59,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-20 04:40:59,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 78 transitions. [2019-11-20 04:40:59,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:40:59,939 INFO L688 BuchiCegarLoop]: Abstraction has 69 states and 78 transitions. [2019-11-20 04:40:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 78 transitions. [2019-11-20 04:40:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2019-11-20 04:40:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-20 04:40:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2019-11-20 04:40:59,941 INFO L711 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-11-20 04:40:59,941 INFO L591 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-11-20 04:40:59,941 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 04:40:59,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 49 transitions. [2019-11-20 04:40:59,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 04:40:59,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:40:59,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:40:59,942 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 04:40:59,943 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 04:40:59,943 INFO L794 eck$LassoCheckResult]: Stem: 3675#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3673#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;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~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, 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_~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 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); 3674#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3680#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3681#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3711#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3710#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3709#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3708#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3707#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3706#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3705#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3704#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3693#L555-1 assume !test_fun_#t~short8; 3691#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 3690#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3689#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3682#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3683#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3687#L555-1 [2019-11-20 04:40:59,943 INFO L796 eck$LassoCheckResult]: Loop: 3687#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3676#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3677#L556 assume !(test_fun_#t~mem9 <= 0);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(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3684#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3687#L555-1 [2019-11-20 04:40:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash 673540324, now seen corresponding path program 6 times [2019-11-20 04:40:59,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:59,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731699334] [2019-11-20 04:40:59,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:59,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:59,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1547289, now seen corresponding path program 2 times [2019-11-20 04:40:59,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:59,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398495946] [2019-11-20 04:40:59,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:59,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:59,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1405606780, now seen corresponding path program 7 times [2019-11-20 04:40:59,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:59,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428293987] [2019-11-20 04:40:59,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:41:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:41:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:41:00,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:41:01,875 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 202 DAG size of output: 150 [2019-11-20 04:41:01,988 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-20 04:41:01,992 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:41:01,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:41:01,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:41:01,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:41:01,993 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:41:01,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:01,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:41:01,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:41:01,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration11_Lasso [2019-11-20 04:41:01,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:41:01,993 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:41:01,996 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 04:41:02,005 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 04:41:02,011 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 04:41:02,013 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 04:41:02,016 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 04:41:02,018 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 04:41:02,020 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 04:41:02,022 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 04:41:02,024 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 04:41:02,026 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 04:41:02,028 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 04:41:02,281 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-11-20 04:41:02,423 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-11-20 04:41:02,423 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 04:41:02,426 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 04:41:02,427 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 04:41:02,429 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 04:41:02,431 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 04:41:02,432 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 04:41:02,434 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 04:41:02,785 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-20 04:41:02,855 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:41:02,856 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:41:02,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:41:02,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:41:02,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:41:02,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:41:02,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:41:02,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:41:02,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:41:02,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,918 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 04:41:02,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:41:02,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:41:02,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:41:02,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:41:02,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:41:02,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:41:02,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:41:02,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:41:02,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:02,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:41:02,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:41:02,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:41:02,957 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:41:02,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:41:02,979 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 04:41:02,979 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 04:41:03,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:41:03,129 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 04:41:03,129 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79de4c81-85f4-43a6-9606-38a525eddba4/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:41:03,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:41:03,143 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 04:41:03,143 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:41:03,143 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_5) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_5 + 2147483647 Supporting invariants [] [2019-11-20 04:41:03,190 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 04:41:03,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:41:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:41:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:41:03,302 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-20 04:41:03,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:41:03,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,313 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:44 [2019-11-20 04:41:03,335 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 04:41:03,335 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 04:41:03,335 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-20 04:41:03,369 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 56 states and 66 transitions. Complement of second has 9 states. [2019-11-20 04:41:03,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:41:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:41:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-20 04:41:03,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-20 04:41:03,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:41:03,370 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:41:03,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:41:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:41:03,471 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-20 04:41:03,472 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,481 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:41:03,481 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,481 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:44 [2019-11-20 04:41:03,510 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 04:41:03,510 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 04:41:03,510 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-20 04:41:03,574 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 55 states and 64 transitions. Complement of second has 11 states. [2019-11-20 04:41:03,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 04:41:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:41:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-11-20 04:41:03,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-20 04:41:03,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:41:03,575 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:41:03,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:41:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:03,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:41:03,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:41:03,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:41:03,686 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-20 04:41:03,687 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,705 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:41:03,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:41:03,705 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2019-11-20 04:41:03,732 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 04:41:03,732 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 04:41:03,732 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-20 04:41:03,772 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 69 states and 84 transitions. Complement of second has 10 states. [2019-11-20 04:41:03,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:41:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:41:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2019-11-20 04:41:03,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-20 04:41:03,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:41:03,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 23 letters. Loop has 4 letters. [2019-11-20 04:41:03,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:41:03,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 19 letters. Loop has 8 letters. [2019-11-20 04:41:03,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:41:03,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 84 transitions. [2019-11-20 04:41:03,775 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:41:03,776 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2019-11-20 04:41:03,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:41:03,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:41:03,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:41:03,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:41:03,776 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:41:03,776 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:41:03,776 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:41:03,778 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 04:41:03,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:41:03,778 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:41:03,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:41:03,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:41:03 BoogieIcfgContainer [2019-11-20 04:41:03,784 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:41:03,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:41:03,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:41:03,785 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:41:03,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:43" (3/4) ... [2019-11-20 04:41:03,789 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:41:03,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:41:03,791 INFO L168 Benchmark]: Toolchain (without parser) took 21663.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 490.2 MB). Free memory was 946.0 MB in the beginning and 870.8 MB in the end (delta: 75.2 MB). Peak memory consumption was 565.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,791 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:41:03,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.79 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,792 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,792 INFO L168 Benchmark]: RCFGBuilder took 367.39 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: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,793 INFO L168 Benchmark]: BuchiAutomizer took 20599.80 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 870.8 MB in the end (delta: 242.4 MB). Peak memory consumption was 575.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:03,793 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 1.5 GB. Free memory is still 870.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:41:03,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.79 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.83 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 367.39 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: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 20599.80 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 870.8 MB in the end (delta: 242.4 MB). Peak memory consumption was 575.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.79 ms. Allocated memory is still 1.5 GB. Free memory is still 870.8 MB. 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 - 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 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x_ref][x_ref] + 1 and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 10 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 16 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. One nondeterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.5s and 12 iterations. TraceHistogramMax:4. Analysis of lassos took 14.4s. Construction of modules took 0.8s. Büchi inclusion checks took 5.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 210 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 266 states and ocurred in iteration 8. Nontrivial modules had stage [3, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/13 HoareTripleCheckerStatistics: 93 SDtfs, 183 SDslu, 84 SDs, 0 SdLazy, 798 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital365 mio100 ax105 hnf99 lsp83 ukn56 mio100 lsp35 div100 bol105 ite100 ukn100 eq168 hnf89 smp95 dnf172 smp82 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 161ms VariablesStem: 8 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...