./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/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 32bit --witnessprinter.graph.data.programhash 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:59:44,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:59:44,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:59:44,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:59:44,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:59:44,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:59:44,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:59:44,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:59:44,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:59:44,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:59:44,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:59:44,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:59:44,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:59:44,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:59:44,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:59:44,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:59:44,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:59:44,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:59:44,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:59:44,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:59:44,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:59:44,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:59:44,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:59:44,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:59:44,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:59:44,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:59:44,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:59:44,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:59:44,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:59:44,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:59:44,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:59:44,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:59:44,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:59:44,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:59:44,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:59:44,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:59:44,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:59:44,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:59:44,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:59:44,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:59:44,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:59:44,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:59:44,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:59:44,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:59:44,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:59:44,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:59:44,676 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:59:44,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:59:44,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:59:44,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:59:44,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:59:44,679 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:59:44,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:59:44,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:59:44,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:59:44,679 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:59:44,679 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:59:44,680 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_3ac434d2-c6fc-412a-8282-b132c8e20db7/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 [2019-12-07 18:59:44,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:59:44,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:59:44,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:59:44,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:59:44,789 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:59:44,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-12-07 18:59:44,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/data/596dc9f53/8ba3f8b0c0944e09a4c55cc75dbf7fdf/FLAGb9086ccf2 [2019-12-07 18:59:45,279 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:59:45,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-12-07 18:59:45,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/data/596dc9f53/8ba3f8b0c0944e09a4c55cc75dbf7fdf/FLAGb9086ccf2 [2019-12-07 18:59:45,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/data/596dc9f53/8ba3f8b0c0944e09a4c55cc75dbf7fdf [2019-12-07 18:59:45,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:59:45,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:59:45,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:59:45,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:59:45,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:59:45,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513e5c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45, skipping insertion in model container [2019-12-07 18:59:45,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:59:45,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:59:45,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:59:45,571 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:59:45,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:59:45,626 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:59:45,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45 WrapperNode [2019-12-07 18:59:45,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:59:45,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:59:45,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:59:45,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:59:45,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:59:45,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:59:45,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:59:45,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:59:45,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... [2019-12-07 18:59:45,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:59:45,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:59:45,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:59:45,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:59:45,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:59:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:59:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:59:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:59:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:59:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:59:45,856 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:59:45,856 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 18:59:45,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:45 BoogieIcfgContainer [2019-12-07 18:59:45,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:59:45,857 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:59:45,857 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:59:45,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:59:45,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:45,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:59:45" (1/3) ... [2019-12-07 18:59:45,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e31c248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:59:45, skipping insertion in model container [2019-12-07 18:59:45,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:45,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:45" (2/3) ... [2019-12-07 18:59:45,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e31c248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:59:45, skipping insertion in model container [2019-12-07 18:59:45,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:45,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:45" (3/3) ... [2019-12-07 18:59:45,862 INFO L371 chiAutomizerObserver]: Analyzing ICFG array01-alloca-2.i [2019-12-07 18:59:45,890 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:59:45,890 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:59:45,890 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:59:45,890 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:59:45,890 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:59:45,890 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:59:45,890 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:59:45,890 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:59:45,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 18:59:45,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 18:59:45,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:45,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:45,917 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:59:45,917 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:59:45,917 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:59:45,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 18:59:45,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 18:59:45,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:45,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:45,918 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:59:45,919 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:59:45,923 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 4#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L526-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 16#L531-3true [2019-12-07 18:59:45,924 INFO L796 eck$LassoCheckResult]: Loop: 16#L531-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 15#L531-2true main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 16#L531-3true [2019-12-07 18:59:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:45,927 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 18:59:45,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:45,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597771645] [2019-12-07 18:59:45,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,014 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-12-07 18:59:46,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904015261] [2019-12-07 18:59:46,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,030 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,032 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-12-07 18:59:46,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367922494] [2019-12-07 18:59:46,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,061 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,193 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:46,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:46,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:46,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:46,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:46,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:46,194 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:46,194 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration1_Lasso [2019-12-07 18:59:46,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:46,194 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:46,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:46,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:46,436 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:46,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:46,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:46,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:46,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:46,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:46,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:46,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:46,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:46,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:46,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:46,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:46,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:46,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:46,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:46,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:46,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:46,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:46,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:46,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:46,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:46,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:46,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:46,560 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-12-07 18:59:46,560 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:46,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:46,571 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:59:46,571 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:46,571 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0) = -2*ULTIMATE.start_main_~k~0 + 1073741819 Supporting invariants [-1*ULTIMATE.start_main_~array_size~0 + 536870910 >= 0] [2019-12-07 18:59:46,583 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:59:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:46,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:59:46,627 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:46,642 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:59:46,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:46,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 18:59:46,666 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 4 states. [2019-12-07 18:59:46,725 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 4 states. Result 38 states and 53 transitions. Complement of second has 8 states. [2019-12-07 18:59:46,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:59:46,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:59:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2019-12-07 18:59:46,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 18:59:46,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:46,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 18:59:46,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:46,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 18:59:46,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:46,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2019-12-07 18:59:46,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:59:46,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2019-12-07 18:59:46,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:59:46,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 18:59:46,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-12-07 18:59:46,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:59:46,737 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 18:59:46,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-12-07 18:59:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-07 18:59:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 18:59:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-12-07 18:59:46,757 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 18:59:46,757 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 18:59:46,757 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:59:46,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-12-07 18:59:46,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:59:46,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:46,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:46,758 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:59:46,759 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:59:46,759 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 123#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 127#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 130#L531-3 assume !(main_~k~0 < main_~array_size~0); 133#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 129#L516-3 [2019-12-07 18:59:46,759 INFO L796 eck$LassoCheckResult]: Loop: 129#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 126#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 124#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 125#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 129#L516-3 [2019-12-07 18:59:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-12-07 18:59:46,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216075250] [2019-12-07 18:59:46,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:46,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216075250] [2019-12-07 18:59:46,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:46,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:59:46,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17758875] [2019-12-07 18:59:46,798 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:59:46,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2019-12-07 18:59:46,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890188505] [2019-12-07 18:59:46,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:46,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:46,833 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 18:59:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:46,855 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-12-07 18:59:46,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:59:46,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-12-07 18:59:46,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:59:46,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2019-12-07 18:59:46,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 18:59:46,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 18:59:46,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-12-07 18:59:46,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:59:46,858 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 18:59:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-12-07 18:59:46,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-12-07 18:59:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 18:59:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-12-07 18:59:46,860 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 18:59:46,860 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 18:59:46,860 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:59:46,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-12-07 18:59:46,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:59:46,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:46,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:46,861 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:46,861 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:59:46,861 INFO L794 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 154#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 155#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 159#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 162#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 163#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 164#L531-3 assume !(main_~k~0 < main_~array_size~0); 165#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 161#L516-3 [2019-12-07 18:59:46,861 INFO L796 eck$LassoCheckResult]: Loop: 161#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 158#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 156#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 157#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 161#L516-3 [2019-12-07 18:59:46,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,861 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-12-07 18:59:46,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113062403] [2019-12-07 18:59:46,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2019-12-07 18:59:46,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119176702] [2019-12-07 18:59:46,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,897 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:46,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:46,897 INFO L82 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2019-12-07 18:59:46,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:46,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004818607] [2019-12-07 18:59:46,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:46,923 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:47,065 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-12-07 18:59:47,122 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:47,123 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:47,123 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:47,123 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:47,123 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:47,123 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:47,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:47,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration3_Lasso [2019-12-07 18:59:47,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:47,123 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:47,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,453 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:47,453 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:47,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:47,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:47,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:47,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:47,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:47,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:47,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:47,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:47,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:47,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:47,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:47,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:47,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:47,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:47,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:47,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:47,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:47,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:47,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:47,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:47,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:47,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:47,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:47,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:47,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:47,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:47,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:47,528 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:47,552 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 18:59:47,552 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:47,561 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:59:47,562 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:47,562 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-12-07 18:59:47,575 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:59:47,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:47,593 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:47,593 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:47,597 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:59:47,597 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:47,604 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:59:47,604 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 18:59:47,613 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 4 states. [2019-12-07 18:59:47,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:59:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:59:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-12-07 18:59:47,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 18:59:47,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:47,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2019-12-07 18:59:47,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:47,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2019-12-07 18:59:47,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:47,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-12-07 18:59:47,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:47,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2019-12-07 18:59:47,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:59:47,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 18:59:47,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-12-07 18:59:47,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:47,616 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 18:59:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-12-07 18:59:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-12-07 18:59:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 18:59:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-12-07 18:59:47,618 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 18:59:47,618 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 18:59:47,618 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:59:47,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-12-07 18:59:47,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:47,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:47,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:47,619 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:47,619 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:59:47,619 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 255#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 256#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 262#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 265#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 266#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 267#L531-3 assume !(main_~k~0 < main_~array_size~0); 269#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 268#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 258#L517-3 [2019-12-07 18:59:47,619 INFO L796 eck$LassoCheckResult]: Loop: 258#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 257#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 258#L517-3 [2019-12-07 18:59:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:47,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2019-12-07 18:59:47,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:47,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993624068] [2019-12-07 18:59:47,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:47,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:47,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2019-12-07 18:59:47,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:47,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144415907] [2019-12-07 18:59:47,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:47,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:47,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-12-07 18:59:47,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:47,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944709241] [2019-12-07 18:59:47,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:47,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:47,795 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-07 18:59:47,851 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:47,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:47,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:47,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:47,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:47,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:47,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:47,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:47,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration4_Lasso [2019-12-07 18:59:47,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:47,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:47,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:47,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:48,263 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:48,263 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:48,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:48,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:48,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:48,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:48,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:48,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:48,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:48,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:48,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:48,382 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:48,390 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 18:59:48,390 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:48,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:48,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:59:48,395 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:48,395 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1 Supporting invariants [] [2019-12-07 18:59:48,410 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:59:48,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:59:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:48,439 INFO L264 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:59:48,439 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:48,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 18:59:48,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:48,468 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 18:59:48,468 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 18:59:48,502 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 24 states and 31 transitions. Complement of second has 8 states. [2019-12-07 18:59:48,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:59:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:59:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-12-07 18:59:48,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 18:59:48,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:48,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 18:59:48,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:48,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 18:59:48,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:48,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-12-07 18:59:48,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:48,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 24 transitions. [2019-12-07 18:59:48,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:59:48,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 18:59:48,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2019-12-07 18:59:48,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:48,505 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 18:59:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2019-12-07 18:59:48,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-12-07 18:59:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:59:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2019-12-07 18:59:48,507 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-12-07 18:59:48,507 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-12-07 18:59:48,507 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:59:48,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2019-12-07 18:59:48,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:48,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:48,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:48,508 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:48,508 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:59:48,508 INFO L794 eck$LassoCheckResult]: Stem: 390#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 387#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 388#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 389#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 394#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 397#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 398#L531-3 assume !(main_~k~0 < main_~array_size~0); 399#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 395#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 396#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 385#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 386#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 393#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 384#L517-3 [2019-12-07 18:59:48,508 INFO L796 eck$LassoCheckResult]: Loop: 384#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 383#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 384#L517-3 [2019-12-07 18:59:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2019-12-07 18:59:48,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:48,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541018521] [2019-12-07 18:59:48,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:48,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541018521] [2019-12-07 18:59:48,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978238081] [2019-12-07 18:59:48,557 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:59:48,584 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:59:48,584 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:59:48,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:59:48,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:48,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:59:48,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2019-12-07 18:59:48,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229844825] [2019-12-07 18:59:48,626 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:59:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2019-12-07 18:59:48,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:48,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739225340] [2019-12-07 18:59:48,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,631 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:48,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:48,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 18:59:48,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:59:48,657 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand 13 states. [2019-12-07 18:59:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:48,739 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-12-07 18:59:48,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:59:48,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2019-12-07 18:59:48,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:48,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 21 states and 25 transitions. [2019-12-07 18:59:48,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:59:48,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 18:59:48,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2019-12-07 18:59:48,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:48,741 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-12-07 18:59:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2019-12-07 18:59:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-12-07 18:59:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 18:59:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-12-07 18:59:48,742 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-12-07 18:59:48,742 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-12-07 18:59:48,742 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:59:48,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2019-12-07 18:59:48,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:59:48,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:48,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:48,743 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:48,743 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:59:48,743 INFO L794 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 497#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 498#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 499#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 505#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 509#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 510#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 507#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 508#L531-3 assume !(main_~k~0 < main_~array_size~0); 511#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 506#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 496#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 512#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 503#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 504#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 494#L517-3 [2019-12-07 18:59:48,743 INFO L796 eck$LassoCheckResult]: Loop: 494#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 493#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 494#L517-3 [2019-12-07 18:59:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2019-12-07 18:59:48,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:48,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120595767] [2019-12-07 18:59:48,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,764 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:48,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2019-12-07 18:59:48,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:48,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827867518] [2019-12-07 18:59:48,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2019-12-07 18:59:48,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:48,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056657060] [2019-12-07 18:59:48,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:48,790 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:48,973 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2019-12-07 18:59:49,018 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:49,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:49,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:49,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:49,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:49,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:49,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:49,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration6_Lasso [2019-12-07 18:59:49,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:49,019 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:49,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:49,343 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:49,343 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:59:49,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:59:49,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:59:49,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:49,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:49,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:49,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:49,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:49,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:49,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:49,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:49,476 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:59:49,476 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac434d2-c6fc-412a-8282-b132c8e20db7/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:49,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:49,478 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:59:49,478 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:49,478 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2019-12-07 18:59:49,488 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:59:49,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:59:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,505 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,510 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,510 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:49,518 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:59:49,518 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 18:59:49,529 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2019-12-07 18:59:49,529 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 [2019-12-07 18:59:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:59:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-12-07 18:59:49,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 18:59:49,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:49,530 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 18:59:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,545 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,546 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,550 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:49,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:59:49,558 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 18:59:49,566 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2019-12-07 18:59:49,566 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 [2019-12-07 18:59:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:59:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-12-07 18:59:49,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 18:59:49,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:49,567 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 18:59:49,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,582 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,583 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:49,586 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:59:49,587 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:49,594 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:59:49,594 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 18:59:49,606 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 32 transitions. Complement of second has 6 states. [2019-12-07 18:59:49,606 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 [2019-12-07 18:59:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:59:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-12-07 18:59:49,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 18:59:49,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:49,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 18:59:49,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:49,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 18:59:49,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:49,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-12-07 18:59:49,608 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:59:49,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2019-12-07 18:59:49,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:59:49,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:59:49,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:59:49,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:59:49,609 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:49,609 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:49,609 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:49,609 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 18:59:49,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:59:49,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:59:49,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:59:49,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:59:49 BoogieIcfgContainer [2019-12-07 18:59:49,613 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:59:49,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:59:49,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:59:49,614 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:59:49,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:45" (3/4) ... [2019-12-07 18:59:49,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:59:49,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:59:49,617 INFO L168 Benchmark]: Toolchain (without parser) took 4312.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.1 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:49,617 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:59:49,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:49,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:59:49,618 INFO L168 Benchmark]: Boogie Preprocessor took 17.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:49,619 INFO L168 Benchmark]: RCFGBuilder took 184.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:49,619 INFO L168 Benchmark]: BuchiAutomizer took 3755.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.3 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:49,619 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:59:49,621 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3755.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.3 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * k + 1073741819 and consists of 6 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][numbers] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 113 SDslu, 86 SDs, 0 SdLazy, 152 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax112 hnf99 lsp81 ukn84 mio100 lsp60 div100 bol100 ite100 ukn100 eq176 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...