./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ac7e4caefab280af1b902717cbfa5c070462d8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:07:17,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:07:17,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:07:17,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:07:17,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:07:17,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:07:17,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:07:17,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:07:17,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:07:17,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:07:17,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:07:17,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:07:17,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:07:17,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:07:17,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:07:17,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:07:17,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:07:17,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:07:17,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:07:17,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:07:17,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:07:17,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:07:17,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:07:17,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:07:17,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:07:17,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:07:17,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:07:17,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:07:17,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:07:17,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:07:17,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:07:17,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:07:17,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:07:17,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:07:17,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:07:17,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:07:17,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:07:17,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:07:17,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:07:17,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:07:17,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:07:17,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:07:17,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:07:17,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:07:17,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:07:17,685 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:07:17,685 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:07:17,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:07:17,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:07:17,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:07:17,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:07:17,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:07:17,688 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:07:17,688 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:07:17,688 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_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac7e4caefab280af1b902717cbfa5c070462d8 [2019-12-07 17:07:17,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:07:17,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:07:17,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:07:17,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:07:17,796 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:07:17,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2019-12-07 17:07:17,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/data/4f68dc0d4/b6fb073607c543ffac181c1f9ba885e4/FLAGeb8d165b2 [2019-12-07 17:07:18,267 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:07:18,268 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2019-12-07 17:07:18,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/data/4f68dc0d4/b6fb073607c543ffac181c1f9ba885e4/FLAGeb8d165b2 [2019-12-07 17:07:18,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/data/4f68dc0d4/b6fb073607c543ffac181c1f9ba885e4 [2019-12-07 17:07:18,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:07:18,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:07:18,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:07:18,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:07:18,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:07:18,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e22e081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18, skipping insertion in model container [2019-12-07 17:07:18,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:07:18,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:07:18,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:07:18,521 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:07:18,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:07:18,578 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:07:18,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18 WrapperNode [2019-12-07 17:07:18,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:07:18,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:07:18,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:07:18,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:07:18,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:07:18,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:07:18,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:07:18,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:07:18,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... [2019-12-07 17:07:18,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:07:18,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:07:18,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:07:18,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:07:18,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:07:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:07:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:07:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:07:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:07:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:07:18,839 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:07:18,840 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:07:18,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:07:18 BoogieIcfgContainer [2019-12-07 17:07:18,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:07:18,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:07:18,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:07:18,843 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:07:18,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:18,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:07:18" (1/3) ... [2019-12-07 17:07:18,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722a90e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:07:18, skipping insertion in model container [2019-12-07 17:07:18,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:18,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:18" (2/3) ... [2019-12-07 17:07:18,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722a90e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:07:18, skipping insertion in model container [2019-12-07 17:07:18,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:18,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:07:18" (3/3) ... [2019-12-07 17:07:18,846 INFO L371 chiAutomizerObserver]: Analyzing ICFG min_rf-alloca.i [2019-12-07 17:07:18,874 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:07:18,874 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:07:18,874 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:07:18,875 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:07:18,875 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:07:18,875 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:07:18,875 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:07:18,875 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:07:18,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 17:07:18,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:18,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:18,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:18,901 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:07:18,901 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:18,901 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:07:18,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 17:07:18,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:18,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:18,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:18,902 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:07:18,902 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:18,907 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 11#L556-1true [2019-12-07 17:07:18,908 INFO L796 eck$LassoCheckResult]: Loop: 11#L556-1true call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 7#L553-1true assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 10#L553-3true assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 13#L554true assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 8#L554-2true assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem19;havoc main_#t~mem18; 11#L556-1true [2019-12-07 17:07:18,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:18,911 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:07:18,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:18,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103790888] [2019-12-07 17:07:18,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:19,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:19,023 INFO L82 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 1 times [2019-12-07 17:07:19,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:19,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902274437] [2019-12-07 17:07:19,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:19,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849170, now seen corresponding path program 1 times [2019-12-07 17:07:19,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:19,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111107078] [2019-12-07 17:07:19,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:19,127 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:19,356 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-07 17:07:19,572 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2019-12-07 17:07:19,642 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:07:19,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:07:19,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:07:19,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:07:19,643 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:07:19,643 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:19,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:07:19,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:07:19,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration1_Lasso [2019-12-07 17:07:19,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:07:19,644 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:07:19,658 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 17:07:19,663 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 17:07:19,664 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 17:07:19,666 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 17:07:19,667 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 17:07:19,669 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 17:07:19,670 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 17:07:19,672 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 17:07:19,673 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 17:07:19,676 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 17:07:19,678 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 17:07:19,680 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 17:07:19,681 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 17:07:19,682 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 17:07:19,683 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 17:07:19,685 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 17:07:19,686 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 17:07:19,688 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 17:07:19,690 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 17:07:19,691 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 17:07:19,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:19,695 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 17:07:19,697 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 17:07:19,699 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 17:07:19,700 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 17:07:19,907 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-07 17:07:20,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:20,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:20,014 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 17:07:20,351 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:07:20,354 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,368 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 17:07:20,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,408 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 17:07:20,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,417 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 17:07:20,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,451 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 17:07:20,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,534 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:07:20,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:07:20,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:20,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:20,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:20,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:20,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:20,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:20,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:20,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:20,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:20,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:20,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:20,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:20,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:07:20,671 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 17:07:20,672 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:20,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:07:20,679 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:07:20,679 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:07:20,680 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2019-12-07 17:07:20,759 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 17:07:20,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:07:20,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:20,802 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:07:20,803 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:20,818 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:07:20,818 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:20,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:20,914 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:20,915 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2019-12-07 17:07:20,916 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:20,935 INFO L614 ElimStorePlain]: treesize reduction 20, result has 70.1 percent of original size [2019-12-07 17:07:20,935 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:20,935 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2019-12-07 17:07:20,956 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 17:07:20,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-12-07 17:07:20,967 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 6 states. [2019-12-07 17:07:21,099 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 6 states. Result 45 states and 56 transitions. Complement of second has 14 states. [2019-12-07 17:07:21,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2019-12-07 17:07:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:07:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 22 transitions. [2019-12-07 17:07:21,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 2 letters. Loop has 5 letters. [2019-12-07 17:07:21,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:21,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 7 letters. Loop has 5 letters. [2019-12-07 17:07:21,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:21,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 2 letters. Loop has 10 letters. [2019-12-07 17:07:21,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:21,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2019-12-07 17:07:21,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:21,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 20 states and 29 transitions. [2019-12-07 17:07:21,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 17:07:21,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-12-07 17:07:21,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2019-12-07 17:07:21,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:07:21,111 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-12-07 17:07:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2019-12-07 17:07:21,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 17:07:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 17:07:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-12-07 17:07:21,128 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-07 17:07:21,128 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-07 17:07:21,128 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:07:21,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2019-12-07 17:07:21,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:21,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:21,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:21,129 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:21,129 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:21,130 INFO L794 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 218#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 219#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 221#L553-1 assume !main_#t~short9; 222#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 229#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 233#L554-2 [2019-12-07 17:07:21,130 INFO L796 eck$LassoCheckResult]: Loop: 233#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem19;havoc main_#t~mem18; 226#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 231#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 234#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 232#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 233#L554-2 [2019-12-07 17:07:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:21,130 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2019-12-07 17:07:21,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:21,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330929883] [2019-12-07 17:07:21,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:21,174 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 17:07:21,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330929883] [2019-12-07 17:07:21,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:07:21,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:07:21,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352672283] [2019-12-07 17:07:21,177 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:07:21,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:21,178 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 2 times [2019-12-07 17:07:21,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:21,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785715381] [2019-12-07 17:07:21,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,202 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:21,421 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-07 17:07:21,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:07:21,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:07:21,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:07:21,476 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-12-07 17:07:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:07:21,484 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-07 17:07:21,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:07:21,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2019-12-07 17:07:21,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:21,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 22 transitions. [2019-12-07 17:07:21,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 17:07:21,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 17:07:21,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2019-12-07 17:07:21,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:07:21,487 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 17:07:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2019-12-07 17:07:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 17:07:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 17:07:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 17:07:21,488 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 17:07:21,488 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 17:07:21,488 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:07:21,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-12-07 17:07:21,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:07:21,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:21,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:21,489 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:21,489 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:21,489 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 261#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 262#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 264#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 265#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 272#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 275#L554-2 [2019-12-07 17:07:21,489 INFO L796 eck$LassoCheckResult]: Loop: 275#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem19;havoc main_#t~mem18; 269#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 274#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 277#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 276#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 275#L554-2 [2019-12-07 17:07:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:21,489 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2019-12-07 17:07:21,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:21,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663451202] [2019-12-07 17:07:21,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:21,516 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 3 times [2019-12-07 17:07:21,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:21,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479427914] [2019-12-07 17:07:21,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:21,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:21,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:21,537 INFO L82 PathProgramCache]: Analyzing trace with hash -304168138, now seen corresponding path program 1 times [2019-12-07 17:07:21,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:21,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799377071] [2019-12-07 17:07:21,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:07:21,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799377071] [2019-12-07 17:07:21,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187494158] [2019-12-07 17:07:21,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:07:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:21,706 INFO L264 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjunts are in the unsatisfiable core [2019-12-07 17:07:21,707 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:21,718 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,719 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 17:07:21,719 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,728 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2019-12-07 17:07:21,731 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,740 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,740 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,741 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:19 [2019-12-07 17:07:21,776 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2019-12-07 17:07:21,776 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,785 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,785 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,785 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2019-12-07 17:07:21,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:21,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:21,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:21,814 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 35 [2019-12-07 17:07:21,815 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:21,825 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,826 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 17:07:21,826 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:334, output treesize:52 [2019-12-07 17:07:21,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:21,958 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,958 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 31 [2019-12-07 17:07:21,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:21,961 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 17:07:21,969 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:21,970 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 17:07:21,970 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:63, output treesize:17 [2019-12-07 17:07:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:07:21,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:07:21,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2019-12-07 17:07:21,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083043905] [2019-12-07 17:07:22,207 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-07 17:07:22,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:07:22,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:07:22,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:07:22,264 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 15 states. [2019-12-07 17:07:22,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:07:22,814 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2019-12-07 17:07:22,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 17:07:22,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-12-07 17:07:22,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-12-07 17:07:22,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2019-12-07 17:07:22,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 17:07:22,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 17:07:22,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2019-12-07 17:07:22,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:07:22,817 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-12-07 17:07:22,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2019-12-07 17:07:22,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-12-07 17:07:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 17:07:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-12-07 17:07:22,819 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-12-07 17:07:22,819 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-12-07 17:07:22,819 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:07:22,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2019-12-07 17:07:22,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-12-07 17:07:22,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:22,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:22,821 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:22,821 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:22,821 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 369#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 370#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 383#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 389#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 387#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 384#L554-2 [2019-12-07 17:07:22,821 INFO L796 eck$LassoCheckResult]: Loop: 384#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem24;havoc main_#t~mem23; 377#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 390#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 388#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 385#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 384#L554-2 [2019-12-07 17:07:22,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:22,821 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 2 times [2019-12-07 17:07:22,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:22,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78311639] [2019-12-07 17:07:22,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:22,839 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash 55629988, now seen corresponding path program 1 times [2019-12-07 17:07:22,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:22,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928346789] [2019-12-07 17:07:22,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:22,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:22,853 INFO L82 PathProgramCache]: Analyzing trace with hash -302321094, now seen corresponding path program 1 times [2019-12-07 17:07:22,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:22,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846601753] [2019-12-07 17:07:22,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:07:23,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846601753] [2019-12-07 17:07:23,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700055246] [2019-12-07 17:07:23,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:07:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:23,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-07 17:07:23,141 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:23,151 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,152 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 17:07:23,152 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,159 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,162 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2019-12-07 17:07:23,162 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,168 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,168 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,168 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:13 [2019-12-07 17:07:23,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:23,221 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2019-12-07 17:07:23,221 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,228 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,228 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,228 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2019-12-07 17:07:23,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:23,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:23,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:23,257 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 35 [2019-12-07 17:07:23,258 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,265 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,266 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 17:07:23,266 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:324, output treesize:46 [2019-12-07 17:07:23,297 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 20 [2019-12-07 17:07:23,298 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,303 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:23,304 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:23,304 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:60, output treesize:5 [2019-12-07 17:07:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:07:23,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:07:23,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2019-12-07 17:07:23,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618010430] [2019-12-07 17:07:23,516 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-07 17:07:23,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:07:23,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:07:23,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:07:23,577 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand 15 states. [2019-12-07 17:07:24,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:07:24,323 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2019-12-07 17:07:24,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 17:07:24,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2019-12-07 17:07:24,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2019-12-07 17:07:24,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2019-12-07 17:07:24,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-12-07 17:07:24,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 17:07:24,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2019-12-07 17:07:24,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:07:24,328 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-12-07 17:07:24,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2019-12-07 17:07:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2019-12-07 17:07:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 17:07:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-12-07 17:07:24,332 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 17:07:24,332 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 17:07:24,332 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 17:07:24,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2019-12-07 17:07:24,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-12-07 17:07:24,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:24,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:24,334 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:24,334 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:07:24,334 INFO L794 eck$LassoCheckResult]: Stem: 492#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 490#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 491#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 503#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 516#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 515#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 505#L554-2 [2019-12-07 17:07:24,335 INFO L796 eck$LassoCheckResult]: Loop: 505#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem19;havoc main_#t~mem18; 513#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 511#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 509#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 504#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem11;havoc main_#t~mem10;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 505#L554-2 [2019-12-07 17:07:24,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:24,335 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2019-12-07 17:07:24,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:24,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131921259] [2019-12-07 17:07:24,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:24,356 INFO L82 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 1 times [2019-12-07 17:07:24,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:24,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975872948] [2019-12-07 17:07:24,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,367 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash -304168136, now seen corresponding path program 1 times [2019-12-07 17:07:24,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:24,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269548150] [2019-12-07 17:07:24,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:24,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:24,579 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-12-07 17:07:24,869 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2019-12-07 17:07:24,970 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:07:24,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:07:24,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:07:24,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:07:24,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:07:24,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:24,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:07:24,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:07:24,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration5_Lasso [2019-12-07 17:07:24,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:07:24,971 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:07:24,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:24,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:24,976 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 17:07:24,977 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 17:07:24,979 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 17:07:24,980 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 17:07:24,981 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 17:07:24,982 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 17:07:24,983 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 17:07:24,984 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 17:07:24,986 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 17:07:24,987 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 17:07:24,988 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 17:07:24,989 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 17:07:24,990 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 17:07:24,991 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 17:07:24,992 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 17:07:24,993 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 17:07:24,995 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 17:07:24,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:24,997 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 17:07:24,998 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 17:07:25,273 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-12-07 17:07:25,363 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 17:07:25,364 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 17:07:25,366 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 17:07:25,367 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 17:07:25,368 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 17:07:25,369 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 17:07:25,370 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 17:07:25,659 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:07:25,659 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:25,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:25,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:25,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:25,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/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 17:07:25,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:25,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:25,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,800 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:07:25,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,800 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:07:25,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:25,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:07:25,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17:07:25,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:25,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:25,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:25,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:25,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:25,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:25,849 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:07:25,859 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 17:07:25,859 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99bb6b36-6d17-4585-aa24-5736983e585a/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:25,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:07:25,863 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:07:25,863 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:07:25,863 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2019-12-07 17:07:25,931 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 17:07:25,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:07:25,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:25,963 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:07:25,964 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:25,970 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:25,971 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 17:07:25,971 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:07:25,975 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:25,975 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:07:25,976 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-12-07 17:07:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:25,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 17:07:25,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:25,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:25,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:26,023 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:07:26,024 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 149 [2019-12-07 17:07:26,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:07:26,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:07:26,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:26,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:07:26,144 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:738) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:551) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 17:07:26,147 INFO L168 Benchmark]: Toolchain (without parser) took 7859.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 940.8 MB in the beginning and 802.8 MB in the end (delta: 138.0 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:26,147 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:07:26,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:26,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.71 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 17:07:26,148 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 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 17:07:26,149 INFO L168 Benchmark]: RCFGBuilder took 213.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:26,149 INFO L168 Benchmark]: BuchiAutomizer took 7304.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 802.8 MB in the end (delta: 250.9 MB). Peak memory consumption was 345.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:26,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.71 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 18.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7304.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 802.8 MB in the end (delta: 250.9 MB). Peak memory consumption was 345.8 MB. 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.buchiautomizer: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...