./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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 59be66e49b54b8b00b9c1d5bff1f6857d45f8bbd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:23:56,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:23:56,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:23:56,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:23:56,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:23:56,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:23:56,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:23:56,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:23:56,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:23:56,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:23:56,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:23:56,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:23:56,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:23:56,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:23:56,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:23:56,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:23:56,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:23:56,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:23:56,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:23:56,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:23:56,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:23:56,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:23:56,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:23:56,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:23:56,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:23:56,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:23:56,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:23:56,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:23:56,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:23:56,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:23:56,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:23:56,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:23:56,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:23:56,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:23:56,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:23:56,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:23:56,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:23:56,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:23:56,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:23:56,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:23:56,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:23:56,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:23:56,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:23:56,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:23:56,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:23:56,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:23:56,939 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:23:56,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:23:56,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:23:56,940 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:23:56,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:23:56,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:23:56,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:23:56,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:23:56,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:23:56,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:23:56,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:23:56,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:23:56,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:23:56,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:23:56,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:23:56,942 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:23:56,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:23:56,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:23:56,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:23:56,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:23:56,943 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:23:56,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:23:56,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:23:56,943 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:23:56,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:23:56,944 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_df544671-3955-4c3e-97c8-97bbff555bf3/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 -> 59be66e49b54b8b00b9c1d5bff1f6857d45f8bbd [2019-11-19 23:23:57,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:23:57,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:23:57,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:23:57,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:23:57,090 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:23:57,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2019-11-19 23:23:57,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/data/74058fdae/40e8775ea1dd43419ab7cce99fc0c3fa/FLAG78054cc55 [2019-11-19 23:23:57,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:23:57,594 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2019-11-19 23:23:57,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/data/74058fdae/40e8775ea1dd43419ab7cce99fc0c3fa/FLAG78054cc55 [2019-11-19 23:23:57,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/data/74058fdae/40e8775ea1dd43419ab7cce99fc0c3fa [2019-11-19 23:23:57,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:23:57,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:23:57,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:23:57,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:23:57,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:23:57,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:23:57" (1/1) ... [2019-11-19 23:23:57,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27436bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:57, skipping insertion in model container [2019-11-19 23:23:57,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:23:57" (1/1) ... [2019-11-19 23:23:57,632 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:23:57,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:23:57,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:23:57,960 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:23:57,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:23:58,040 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:23:58,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58 WrapperNode [2019-11-19 23:23:58,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:23:58,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:23:58,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:23:58,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:23:58,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:23:58,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:23:58,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:23:58,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:23:58,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... [2019-11-19 23:23:58,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:23:58,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:23:58,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:23:58,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:23:58,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:23:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:23:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:23:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:23:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:23:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:23:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:23:58,454 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:23:58,454 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 23:23:58,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:23:58 BoogieIcfgContainer [2019-11-19 23:23:58,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:23:58,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:23:58,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:23:58,458 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:23:58,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:23:58,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:23:57" (1/3) ... [2019-11-19 23:23:58,460 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@743d5440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:23:58, skipping insertion in model container [2019-11-19 23:23:58,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:23:58,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:23:58" (2/3) ... [2019-11-19 23:23:58,460 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@743d5440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:23:58, skipping insertion in model container [2019-11-19 23:23:58,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:23:58,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:23:58" (3/3) ... [2019-11-19 23:23:58,462 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.16-alloca.i [2019-11-19 23:23:58,496 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:23:58,496 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:23:58,496 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:23:58,496 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:23:58,497 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:23:58,497 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:23:58,497 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:23:58,497 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:23:58,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-19 23:23:58,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:23:58,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:23:58,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:23:58,529 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:23:58,529 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 23:23:58,530 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:23:58,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-19 23:23:58,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:23:58,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:23:58,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:23:58,532 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:23:58,532 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 23:23:58,539 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 7#L555-3true [2019-11-19 23:23:58,539 INFO L796 eck$LassoCheckResult]: Loop: 7#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 14#L555-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 5#L556-3true assume !true; 8#L556-4true call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 7#L555-3true [2019-11-19 23:23:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:23:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 23:23:58,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:23:58,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533955503] [2019-11-19 23:23:58,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:23:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,693 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:23:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:23:58,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2019-11-19 23:23:58,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:23:58,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521373068] [2019-11-19 23:23:58,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:23:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:23:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:23:58,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521373068] [2019-11-19 23:23:58,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:23:58,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:23:58,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671170735] [2019-11-19 23:23:58,726 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:23:58,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:23:58,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:23:58,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:23:58,743 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2019-11-19 23:23:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:23:58,748 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-11-19 23:23:58,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:23:58,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2019-11-19 23:23:58,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:23:58,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2019-11-19 23:23:58,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-19 23:23:58,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-19 23:23:58,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2019-11-19 23:23:58,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:23:58,756 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-19 23:23:58,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2019-11-19 23:23:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-19 23:23:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 23:23:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-11-19 23:23:58,782 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-19 23:23:58,783 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-19 23:23:58,783 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:23:58,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2019-11-19 23:23:58,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:23:58,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:23:58,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:23:58,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:23:58,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:23:58,784 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;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~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, 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); 33#L555-3 [2019-11-19 23:23:58,785 INFO L796 eck$LassoCheckResult]: Loop: 33#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 37#L555-1 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 34#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 35#L556-1 assume !(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6; 38#L556-4 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 33#L555-3 [2019-11-19 23:23:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:23:58,785 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-19 23:23:58,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:23:58,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125404165] [2019-11-19 23:23:58,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:23:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:23:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:23:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2019-11-19 23:23:58,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:23:58,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6415416] [2019-11-19 23:23:58,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:23:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:23:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:23:58,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2019-11-19 23:23:58,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:23:58,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022845720] [2019-11-19 23:23:58,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:23:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:23:58,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:23:59,434 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-11-19 23:23:59,619 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-19 23:23:59,634 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:23:59,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:23:59,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:23:59,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:23:59,639 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:23:59,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:23:59,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:23:59,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:23:59,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration2_Lasso [2019-11-19 23:23:59,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:23:59,642 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:23:59,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:23:59,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,088 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-11-19 23:24:00,204 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-19 23:24:00,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:00,793 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:24:00,797 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:00,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:00,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:00,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:00,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:00,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:00,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:24:00,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:00,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:00,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:00,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:00,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:00,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:00,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:00,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:00,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:24:00,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:00,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:00,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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) [2019-11-19 23:24:00,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:00,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:00,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:00,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:00,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:00,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:00,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:00,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:00,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:00,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:00,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:00,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:24:01,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:01,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:01,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:01,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:01,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:01,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:01,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:01,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:01,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:01,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:01,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:01,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:01,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:01,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:01,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:01,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:01,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:01,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:01,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:01,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:01,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:01,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:01,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:01,097 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:24:01,181 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-19 23:24:01,182 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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) [2019-11-19 23:24:01,262 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:01,266 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:24:01,267 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:24:01,267 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-19 23:24:01,353 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-19 23:24:01,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:24:01,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:24:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:24:01,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:24:01,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:24:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:24:01,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:24:01,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:24:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:24:01,466 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 23:24:01,466 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-11-19 23:24:01,531 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 8 states. [2019-11-19 23:24:01,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 23:24:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 23:24:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-11-19 23:24:01,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-19 23:24:01,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:01,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-19 23:24:01,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:01,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-19 23:24:01,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:01,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-11-19 23:24:01,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 23:24:01,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 25 transitions. [2019-11-19 23:24:01,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-19 23:24:01,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-19 23:24:01,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-11-19 23:24:01,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:24:01,544 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-19 23:24:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-11-19 23:24:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-19 23:24:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 23:24:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-19 23:24:01,547 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-19 23:24:01,547 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-19 23:24:01,547 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:24:01,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-11-19 23:24:01,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 23:24:01,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:24:01,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:24:01,549 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 23:24:01,549 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2019-11-19 23:24:01,549 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;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~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, 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); 189#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 196#L555-1 [2019-11-19 23:24:01,550 INFO L796 eck$LassoCheckResult]: Loop: 196#L555-1 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 190#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 191#L556-1 assume !!(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem7; 201#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 203#L556-1 assume !(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6; 199#L556-4 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 195#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 196#L555-1 [2019-11-19 23:24:01,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:24:01,550 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 23:24:01,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:24:01,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259228605] [2019-11-19 23:24:01,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:24:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,615 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:24:01,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:24:01,615 INFO L82 PathProgramCache]: Analyzing trace with hash 15492128, now seen corresponding path program 1 times [2019-11-19 23:24:01,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:24:01,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618669895] [2019-11-19 23:24:01,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:24:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,634 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:24:01,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:24:01,635 INFO L82 PathProgramCache]: Analyzing trace with hash 765526557, now seen corresponding path program 1 times [2019-11-19 23:24:01,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:24:01,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406438671] [2019-11-19 23:24:01,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:24:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:24:01,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:24:02,195 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2019-11-19 23:24:02,365 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-19 23:24:02,368 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:24:02,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:24:02,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:24:02,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:24:02,369 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:24:02,369 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:02,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:24:02,369 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:24:02,369 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration3_Lasso [2019-11-19 23:24:02,369 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:24:02,369 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:24:02,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,780 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-11-19 23:24:02,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:02,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:24:03,296 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:24:03,296 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,301 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 [2019-11-19 23:24:03,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:03,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:03,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:03,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:03,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:03,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:03,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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) [2019-11-19 23:24:03,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:03,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:03,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:24:03,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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) [2019-11-19 23:24:03,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:03,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:03,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:24:03,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:24:03,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:24:03,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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) [2019-11-19 23:24:03,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,453 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 [2019-11-19 23:24:03,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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 [2019-11-19 23:24:03,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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 [2019-11-19 23:24:03,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/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 [2019-11-19 23:24:03,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:24:03,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:24:03,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:24:03,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:24:03,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:24:03,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:24:03,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:24:03,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:24:03,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:24:03,616 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-19 23:24:03,617 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df544671-3955-4c3e-97c8-97bbff555bf3/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:24:03,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:24:03,623 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:24:03,623 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:24:03,623 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Exception during sending of exit command (exit): Broken pipe [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 23:24:03,713 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2019-11-19 23:24:03,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:24:03,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:24:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:24:03,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:24:03,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:24:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:24:03,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 23:24:03,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:24:03,803 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2019-11-19 23:24:03,804 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:24:03,810 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:24:03,810 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:24:03,810 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-11-19 23:24:03,857 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:24:03,858 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 63 [2019-11-19 23:24:03,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:24:03,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-19 23:24:03,862 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:24:03,936 INFO L567 ElimStorePlain]: treesize reduction 51, result has 51.0 percent of original size [2019-11-19 23:24:03,937 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-19 23:24:03,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:37 [2019-11-19 23:24:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:24:03,961 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-19 23:24:03,962 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 6 states. [2019-11-19 23:24:03,988 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 37 states and 46 transitions. Complement of second has 6 states. [2019-11-19 23:24:03,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:24:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 23:24:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-19 23:24:03,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 7 letters. [2019-11-19 23:24:03,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:03,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 7 letters. [2019-11-19 23:24:03,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:03,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 14 letters. [2019-11-19 23:24:03,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:24:03,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2019-11-19 23:24:03,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:24:03,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2019-11-19 23:24:03,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:24:03,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:24:03,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:24:03,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:24:03,994 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:24:03,994 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:24:03,994 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:24:03,994 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 23:24:03,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:24:03,995 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:24:03,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:24:04,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:24:04 BoogieIcfgContainer [2019-11-19 23:24:04,001 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:24:04,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:24:04,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:24:04,002 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:24:04,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:23:58" (3/4) ... [2019-11-19 23:24:04,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:24:04,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:24:04,009 INFO L168 Benchmark]: Toolchain (without parser) took 6389.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 290.5 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -297.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:24:04,009 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:24:04,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:24:04,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:24:04,014 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:24:04,014 INFO L168 Benchmark]: RCFGBuilder took 317.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:24:04,015 INFO L168 Benchmark]: BuchiAutomizer took 5545.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:24:04,015 INFO L168 Benchmark]: Witness Printer took 6.11 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:24:04,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5545.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.11 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). 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[y_ref][y_ref] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/2 HoareTripleCheckerStatistics: 20 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 30 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital282 mio100 ax106 hnf100 lsp91 ukn60 mio100 lsp34 div100 bol100 ite100 ukn100 eq188 hnf88 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...