./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 25885afdfdd91cf9312b78ad87a032f4ef31fe0c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:19:30,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:19:30,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:19:30,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:19:30,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:19:30,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:19:30,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:19:30,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:19:30,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:19:31,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:19:31,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:19:31,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:19:31,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:19:31,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:19:31,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:19:31,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:19:31,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:19:31,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:19:31,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:19:31,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:19:31,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:19:31,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:19:31,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:19:31,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:19:31,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:19:31,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:19:31,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:19:31,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:19:31,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:19:31,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:19:31,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:19:31,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:19:31,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:19:31,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:19:31,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:19:31,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:19:31,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:19:31,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:19:31,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:19:31,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:19:31,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:19:31,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:19:31,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:19:31,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:19:31,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:19:31,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:19:31,030 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:19:31,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:19:31,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:19:31,030 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:19:31,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:19:31,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:19:31,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:19:31,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:19:31,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:19:31,033 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:19:31,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:19:31,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:19:31,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:19:31,033 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:19:31,034 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:19:31,034 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_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25885afdfdd91cf9312b78ad87a032f4ef31fe0c [2019-12-07 15:19:31,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:19:31,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:19:31,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:19:31,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:19:31,143 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:19:31,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2019-12-07 15:19:31,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/data/b64528cf2/932622717b3e4a31b8052293b66cb718/FLAG2f7c5c211 [2019-12-07 15:19:31,651 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:19:31,651 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2019-12-07 15:19:31,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/data/b64528cf2/932622717b3e4a31b8052293b66cb718/FLAG2f7c5c211 [2019-12-07 15:19:32,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/data/b64528cf2/932622717b3e4a31b8052293b66cb718 [2019-12-07 15:19:32,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:19:32,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:19:32,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:19:32,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:19:32,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:19:32,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3dc179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32, skipping insertion in model container [2019-12-07 15:19:32,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:19:32,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:19:32,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:19:32,415 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:19:32,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:19:32,478 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:19:32,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32 WrapperNode [2019-12-07 15:19:32,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:19:32,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:19:32,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:19:32,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:19:32,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:19:32,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:19:32,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:19:32,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:19:32,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... [2019-12-07 15:19:32,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:19:32,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:19:32,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:19:32,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:19:32,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:19:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:19:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:19:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:19:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:19:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:19:32,738 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:19:32,738 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:19:32,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:32 BoogieIcfgContainer [2019-12-07 15:19:32,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:19:32,740 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:19:32,740 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:19:32,742 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:19:32,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:32,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:19:32" (1/3) ... [2019-12-07 15:19:32,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143c5373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:19:32, skipping insertion in model container [2019-12-07 15:19:32,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:32,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:19:32" (2/3) ... [2019-12-07 15:19:32,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143c5373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:19:32, skipping insertion in model container [2019-12-07 15:19:32,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:19:32,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:32" (3/3) ... [2019-12-07 15:19:32,745 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.09_assume-alloca.i [2019-12-07 15:19:32,773 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:19:32,773 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:19:32,773 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:19:32,773 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:19:32,773 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:19:32,773 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:19:32,774 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:19:32,774 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:19:32,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 15:19:32,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:32,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:32,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:32,800 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:19:32,800 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:32,800 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:19:32,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 15:19:32,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:32,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:32,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:32,801 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:19:32,801 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:19:32,806 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 <= 0; 6#L555true assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 <= 0; 10#L555-2true assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 7#L558-3true [2019-12-07 15:19:32,806 INFO L796 eck$LassoCheckResult]: Loop: 7#L558-3true call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L558-1true assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 16#L559true assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 5#L559-2true call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 7#L558-3true [2019-12-07 15:19:32,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:32,810 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2019-12-07 15:19:32,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:32,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561823939] [2019-12-07 15:19:32,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:32,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1482703, now seen corresponding path program 1 times [2019-12-07 15:19:32,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:32,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069243395] [2019-12-07 15:19:32,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,950 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:32,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:32,951 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 1 times [2019-12-07 15:19:32,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:32,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368124612] [2019-12-07 15:19:32,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:32,992 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:33,420 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 96 [2019-12-07 15:19:33,533 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-12-07 15:19:33,542 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:33,542 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:33,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:33,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:33,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:33,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:33,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:33,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:33,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration1_Lasso [2019-12-07 15:19:33,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:33,543 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:33,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,841 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-07 15:19:33,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:33,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:34,283 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:34,286 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,290 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 [2019-12-07 15:19:34,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,301 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 [2019-12-07 15:19:34,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,309 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 [2019-12-07 15:19:34,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,316 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 [2019-12-07 15:19:34,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,323 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 [2019-12-07 15:19:34,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,330 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 [2019-12-07 15:19:34,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,341 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 [2019-12-07 15:19:34,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,349 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 [2019-12-07 15:19:34,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,369 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 [2019-12-07 15:19:34,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,380 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 [2019-12-07 15:19:34,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,392 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 [2019-12-07 15:19:34,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:34,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:34,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,420 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 [2019-12-07 15:19:34,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,427 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 [2019-12-07 15:19:34,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,434 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 [2019-12-07 15:19:34,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,445 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 [2019-12-07 15:19:34,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:34,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:34,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:34,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,453 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 [2019-12-07 15:19:34,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:34,471 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 [2019-12-07 15:19:34,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,484 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 [2019-12-07 15:19:34,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:34,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:34,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:34,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,493 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 [2019-12-07 15:19:34,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:34,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:34,495 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:19:34,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:34,506 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 15:19:34,506 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:19:34,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:34,571 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 15:19:34,571 INFO L444 ModelExtractionUtils]: 15 out of 46 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:34,576 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:34,581 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 15:19:34,581 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:34,582 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)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 15:19:34,663 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 15:19:34,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:19:34,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:19:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:34,707 INFO L264 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 15:19:34,708 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:34,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:34,753 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:34,753 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-12-07 15:19:34,753 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:34,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:19:34,758 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 15:19:34,758 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:34,783 INFO L614 ElimStorePlain]: treesize reduction 2, result has 97.2 percent of original size [2019-12-07 15:19:34,788 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-12-07 15:19:34,810 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:34,811 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 15:19:34,811 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:91, output treesize:10 [2019-12-07 15:19:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:34,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:19:34,831 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:34,866 INFO L343 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2019-12-07 15:19:34,866 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 2 case distinctions, treesize of input 42 treesize of output 37 [2019-12-07 15:19:34,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:19:34,868 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:34,880 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:34,881 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:34,881 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:33 [2019-12-07 15:19:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:34,909 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 15:19:34,910 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 7 states. [2019-12-07 15:19:34,989 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 7 states. Result 37 states and 45 transitions. Complement of second has 8 states. [2019-12-07 15:19:34,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:19:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2019-12-07 15:19:34,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 15:19:34,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:34,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 15:19:34,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:34,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 4 letters. Loop has 8 letters. [2019-12-07 15:19:34,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:34,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2019-12-07 15:19:34,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:35,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 18 states and 22 transitions. [2019-12-07 15:19:35,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:19:35,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 15:19:35,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2019-12-07 15:19:35,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:35,003 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 15:19:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2019-12-07 15:19:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2019-12-07 15:19:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 15:19:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-12-07 15:19:35,021 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 15:19:35,021 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 15:19:35,021 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:19:35,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-12-07 15:19:35,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:35,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:35,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:35,022 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:35,022 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:35,022 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 <= 0; 208#L555 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 <= 0; 209#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 210#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 216#L558-1 [2019-12-07 15:19:35,022 INFO L796 eck$LassoCheckResult]: Loop: 216#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 217#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 220#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 212#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 213#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 216#L558-1 [2019-12-07 15:19:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:35,023 INFO L82 PathProgramCache]: Analyzing trace with hash 28695881, now seen corresponding path program 1 times [2019-12-07 15:19:35,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:35,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973519644] [2019-12-07 15:19:35,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:35,054 INFO L82 PathProgramCache]: Analyzing trace with hash 50737098, now seen corresponding path program 1 times [2019-12-07 15:19:35,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:35,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848821889] [2019-12-07 15:19:35,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:35,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:35,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1682923394, now seen corresponding path program 1 times [2019-12-07 15:19:35,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:35,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704837761] [2019-12-07 15:19:35,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:35,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:35,481 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2019-12-07 15:19:35,586 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:35,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:35,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:35,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:35,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:35,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:35,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:35,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:35,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration2_Lasso [2019-12-07 15:19:35,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:35,586 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:35,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,804 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-12-07 15:19:35,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:35,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:36,261 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:36,262 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:36,264 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 [2019-12-07 15:19:36,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:36,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:36,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:36,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:36,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:36,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:36,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:36,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:36,288 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 [2019-12-07 15:19:36,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:36,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:36,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:36,303 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 [2019-12-07 15:19:36,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:36,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:36,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:36,317 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 [2019-12-07 15:19:36,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:36,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:36,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:36,326 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 [2019-12-07 15:19:36,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:36,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:36,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:36,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:36,337 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 [2019-12-07 15:19:36,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:36,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:36,339 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:19:36,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:36,347 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 15:19:36,347 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:19:36,378 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:36,419 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-12-07 15:19:36,419 INFO L444 ModelExtractionUtils]: 35 out of 51 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:36,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:36,426 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 15:19:36,426 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:36,426 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 [] [2019-12-07 15:19:36,494 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 15:19:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:19:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:36,521 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:19:36,522 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:36,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:36,529 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-12-07 15:19:36,573 INFO L614 ElimStorePlain]: treesize reduction 2, result has 95.0 percent of original size [2019-12-07 15:19:36,574 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 15:19:36,574 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:71, output treesize:10 [2019-12-07 15:19:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:36,593 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:36,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:36,619 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2019-12-07 15:19:36,620 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:36,626 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:36,626 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:36,626 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-12-07 15:19:36,639 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2019-12-07 15:19:36,640 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:36,644 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:36,644 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:36,644 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:21 [2019-12-07 15:19:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:36,644 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 15:19:36,644 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-12-07 15:19:36,679 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 7 states. Result 37 states and 44 transitions. Complement of second has 8 states. [2019-12-07 15:19:36,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:19:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 15:19:36,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 15:19:36,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:36,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 15:19:36,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:36,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:19:36,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:36,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2019-12-07 15:19:36,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:36,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2019-12-07 15:19:36,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:19:36,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 15:19:36,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2019-12-07 15:19:36,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:36,683 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-12-07 15:19:36,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2019-12-07 15:19:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-07 15:19:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 15:19:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-12-07 15:19:36,685 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-12-07 15:19:36,685 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-12-07 15:19:36,685 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:19:36,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2019-12-07 15:19:36,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:36,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:36,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:36,686 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:19:36,686 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:36,686 INFO L794 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 419#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 <= 0; 420#L555 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 <= 0; 421#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 422#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 434#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 438#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 437#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 425#L558-3 [2019-12-07 15:19:36,686 INFO L796 eck$LassoCheckResult]: Loop: 425#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 428#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 429#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 432#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 424#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 425#L558-3 [2019-12-07 15:19:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash 180521911, now seen corresponding path program 2 times [2019-12-07 15:19:36,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:36,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147956214] [2019-12-07 15:19:36,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:36,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:36,710 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 2 times [2019-12-07 15:19:36,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:36,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937707539] [2019-12-07 15:19:36,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:36,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:36,723 INFO L82 PathProgramCache]: Analyzing trace with hash -915687550, now seen corresponding path program 1 times [2019-12-07 15:19:36,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:36,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118788974] [2019-12-07 15:19:36,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:36,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:37,606 WARN L192 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2019-12-07 15:19:37,809 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-12-07 15:19:37,812 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:19:37,812 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:19:37,812 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:19:37,812 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:19:37,813 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:19:37,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:37,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:19:37,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:19:37,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume-alloca.i_Iteration3_Lasso [2019-12-07 15:19:37,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:19:37,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:19:37,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:37,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,086 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-12-07 15:19:38,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:19:38,485 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:19:38,485 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,487 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 [2019-12-07 15:19:38,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,494 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 [2019-12-07 15:19:38,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,501 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 [2019-12-07 15:19:38,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,509 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 [2019-12-07 15:19:38,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,518 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 [2019-12-07 15:19:38,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,524 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 [2019-12-07 15:19:38,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,530 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 [2019-12-07 15:19:38,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,538 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 [2019-12-07 15:19:38,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,546 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 [2019-12-07 15:19:38,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,552 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 [2019-12-07 15:19:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:38,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:38,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,571 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 [2019-12-07 15:19:38,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:19:38,581 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 [2019-12-07 15:19:38,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,587 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 [2019-12-07 15:19:38,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:19:38,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:19:38,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:19:38,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,594 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 [2019-12-07 15:19:38,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,606 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 [2019-12-07 15:19:38,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,619 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 [2019-12-07 15:19:38,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,631 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 [2019-12-07 15:19:38,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:19:38,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,649 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 [2019-12-07 15:19:38,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,659 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 [2019-12-07 15:19:38,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:19:38,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:19:38,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:19:38,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:19:38,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:19:38,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:19:38,673 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:19:38,680 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 15:19:38,680 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/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 [2019-12-07 15:19:38,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:19:38,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:19:38,684 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:19:38,684 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 [] [2019-12-07 15:19:38,742 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 15:19:38,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:19:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:38,769 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 15:19:38,769 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:38,813 INFO L343 Elim1Store]: treesize reduction 19, result has 76.5 percent of original size [2019-12-07 15:19:38,813 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 69 [2019-12-07 15:19:38,814 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:38,844 INFO L614 ElimStorePlain]: treesize reduction 28, result has 61.6 percent of original size [2019-12-07 15:19:38,844 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:38,845 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:12 [2019-12-07 15:19:38,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,903 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:38,903 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 45 [2019-12-07 15:19:38,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:19:38,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:19:38,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:19:38,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,906 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-12-07 15:19:38,965 INFO L614 ElimStorePlain]: treesize reduction 13, result has 85.7 percent of original size [2019-12-07 15:19:38,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,967 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:38,967 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2019-12-07 15:19:38,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:19:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:38,998 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:19:38,999 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:39,016 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2019-12-07 15:19:39,017 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,021 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,021 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,022 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-12-07 15:19:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:39,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2019-12-07 15:19:39,035 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand 10 states. [2019-12-07 15:19:39,195 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8. Second operand 10 states. Result 60 states and 72 transitions. Complement of second has 11 states. [2019-12-07 15:19:39,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 15:19:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 15:19:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2019-12-07 15:19:39,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 15:19:39,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:39,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 13 letters. Loop has 5 letters. [2019-12-07 15:19:39,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:39,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2019-12-07 15:19:39,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:19:39,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 72 transitions. [2019-12-07 15:19:39,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:39,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 41 states and 49 transitions. [2019-12-07 15:19:39,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:19:39,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 15:19:39,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2019-12-07 15:19:39,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:39,201 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2019-12-07 15:19:39,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2019-12-07 15:19:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 28. [2019-12-07 15:19:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 15:19:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-12-07 15:19:39,203 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-12-07 15:19:39,203 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-12-07 15:19:39,203 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 15:19:39,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2019-12-07 15:19:39,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:39,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:39,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:39,204 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2019-12-07 15:19:39,205 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:39,205 INFO L794 eck$LassoCheckResult]: Stem: 689#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 685#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 <= 0; 686#L555 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 <= 0; 687#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 688#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 700#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 709#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 708#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 707#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 705#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 704#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 703#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 695#L558-3 [2019-12-07 15:19:39,205 INFO L796 eck$LassoCheckResult]: Loop: 695#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 690#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 691#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 698#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 694#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 695#L558-3 [2019-12-07 15:19:39,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:39,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1969201019, now seen corresponding path program 3 times [2019-12-07 15:19:39,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:39,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708478259] [2019-12-07 15:19:39,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:39,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708478259] [2019-12-07 15:19:39,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555808840] [2019-12-07 15:19:39,322 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:19:39,367 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-12-07 15:19:39,367 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:19:39,368 INFO L264 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 15:19:39,369 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:39,376 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,377 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 15:19:39,377 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,381 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,381 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,382 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-12-07 15:19:39,386 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2019-12-07 15:19:39,386 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,392 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,392 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,392 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-12-07 15:19:39,409 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2019-12-07 15:19:39,409 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,414 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,415 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,415 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2019-12-07 15:19:39,427 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2019-12-07 15:19:39,428 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,431 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,431 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,432 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:3 [2019-12-07 15:19:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:39,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:19:39,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2019-12-07 15:19:39,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006831304] [2019-12-07 15:19:39,443 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:19:39,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:39,443 INFO L82 PathProgramCache]: Analyzing trace with hash 45965688, now seen corresponding path program 3 times [2019-12-07 15:19:39,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:39,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338956124] [2019-12-07 15:19:39,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:39,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:39,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:39,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 15:19:39,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:19:39,565 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-12-07 15:19:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:39,667 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-12-07 15:19:39,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:19:39,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 53 transitions. [2019-12-07 15:19:39,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:39,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 24 states and 26 transitions. [2019-12-07 15:19:39,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-12-07 15:19:39,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 15:19:39,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2019-12-07 15:19:39,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:19:39,670 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-12-07 15:19:39,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2019-12-07 15:19:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2019-12-07 15:19:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 15:19:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-12-07 15:19:39,672 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-12-07 15:19:39,672 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-12-07 15:19:39,672 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 15:19:39,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2019-12-07 15:19:39,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:19:39,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:19:39,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:19:39,674 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:19:39,674 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:19:39,674 INFO L794 eck$LassoCheckResult]: Stem: 817#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 813#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~ret19;test_fun_#in~x, test_fun_#in~y := main_#t~nondet17, main_#t~nondet18;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem8, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 <= 0; 814#L555 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 <= 0; 815#L555-2 assume !test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7; 816#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 825#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 826#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 828#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 820#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 821#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 830#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 829#L559 assume test_fun_#t~mem9 > test_fun_#t~mem10;havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 818#L559-2 [2019-12-07 15:19:39,674 INFO L796 eck$LassoCheckResult]: Loop: 818#L559-2 call test_fun_#t~mem15 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem15, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem15; 819#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 823#L558-1 assume !!!(0 == test_fun_#t~mem8);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 824#L559 assume !(test_fun_#t~mem9 > test_fun_#t~mem10);havoc test_fun_#t~mem10;havoc test_fun_#t~mem9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 827#L562 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem14 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem14; 818#L559-2 [2019-12-07 15:19:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:39,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1913288219, now seen corresponding path program 2 times [2019-12-07 15:19:39,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:39,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552168414] [2019-12-07 15:19:39,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:19:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:39,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552168414] [2019-12-07 15:19:39,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012997683] [2019-12-07 15:19:39,785 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d4d90cc-f452-43b9-b401-e8187266394f/bin/uautomizer/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:19:39,816 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 15:19:39,816 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:19:39,817 INFO L264 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 15:19:39,818 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:19:39,823 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,824 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 15:19:39,824 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,827 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,827 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,828 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-12-07 15:19:39,854 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2019-12-07 15:19:39,855 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,861 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,861 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,861 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:26 [2019-12-07 15:19:39,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:19:39,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:19:39,872 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2019-12-07 15:19:39,873 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,878 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,878 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,878 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:71, output treesize:18 [2019-12-07 15:19:39,881 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2019-12-07 15:19:39,882 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,885 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:19:39,885 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:19:39,885 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:5 [2019-12-07 15:19:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:19:39,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:19:39,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2019-12-07 15:19:39,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925782987] [2019-12-07 15:19:39,894 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:19:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:19:39,895 INFO L82 PathProgramCache]: Analyzing trace with hash 61511628, now seen corresponding path program 4 times [2019-12-07 15:19:39,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:19:39,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238882725] [2019-12-07 15:19:39,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:19:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:19:39,902 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:19:39,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:19:39,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 15:19:39,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-12-07 15:19:39,999 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 4 Second operand 12 states. [2019-12-07 15:19:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:19:40,066 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-12-07 15:19:40,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:19:40,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2019-12-07 15:19:40,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:19:40,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:19:40,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:19:40,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:19:40,067 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 15:19:40,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:19:40,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:19:40,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:19:40,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:19:40 BoogieIcfgContainer [2019-12-07 15:19:40,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:19:40,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:19:40,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:19:40,072 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:19:40,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:19:32" (3/4) ... [2019-12-07 15:19:40,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:19:40,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:19:40,075 INFO L168 Benchmark]: Toolchain (without parser) took 7909.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:40,076 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:40,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:40,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:40,077 INFO L168 Benchmark]: Boogie Preprocessor took 17.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:40,077 INFO L168 Benchmark]: RCFGBuilder took 213.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:40,077 INFO L168 Benchmark]: BuchiAutomizer took 7332.09 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 114.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.7 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:19:40,078 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:19:40,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7332.09 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 114.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.7 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 8 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 102 SDslu, 44 SDs, 0 SdLazy, 178 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital551 mio100 ax104 hnf100 lsp93 ukn46 mio100 lsp38 div100 bol100 ite100 ukn100 eq182 hnf88 smp96 dnf101 smp100 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 90ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...