./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 9c357a0f089ccce134e4135f49c3923f49db9d7a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:08:52,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:08:52,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:08:52,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:08:52,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:08:52,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:08:52,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:08:52,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:08:52,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:08:52,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:08:52,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:08:52,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:08:52,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:08:52,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:08:52,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:08:52,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:08:52,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:08:52,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:08:52,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:08:52,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:08:52,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:08:52,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:08:52,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:08:52,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:08:52,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:08:52,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:08:52,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:08:52,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:08:52,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:08:52,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:08:52,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:08:52,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:08:52,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:08:52,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:08:52,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:08:52,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:08:52,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:08:52,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:08:52,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:08:52,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:08:52,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:08:52,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:08:52,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:08:52,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:08:52,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:08:52,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:08:52,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:08:52,877 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:08:52,878 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:08:52,878 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:08:52,878 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:08:52,878 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:08:52,879 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:08:52,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:08:52,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:08:52,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:08:52,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:08:52,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:08:52,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:08:52,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:08:52,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:08:52,881 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:08:52,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:08:52,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:08:52,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:08:52,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:08:52,882 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:08:52,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:08:52,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:08:52,883 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:08:52,884 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:08:52,884 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_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 -> 9c357a0f089ccce134e4135f49c3923f49db9d7a [2019-11-19 22:08:53,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:08:53,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:08:53,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:08:53,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:08:53,047 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:08:53,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrspn_malloc.i [2019-11-19 22:08:53,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/data/75b1dc2b6/de405bf00ce844a2b72844c03fbad7bf/FLAG397bc12a9 [2019-11-19 22:08:53,565 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:08:53,565 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/sv-benchmarks/c/termination-15/cstrspn_malloc.i [2019-11-19 22:08:53,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/data/75b1dc2b6/de405bf00ce844a2b72844c03fbad7bf/FLAG397bc12a9 [2019-11-19 22:08:53,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/data/75b1dc2b6/de405bf00ce844a2b72844c03fbad7bf [2019-11-19 22:08:53,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:08:53,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:08:53,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:08:53,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:08:53,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:08:53,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:53" (1/1) ... [2019-11-19 22:08:53,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c11db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:53, skipping insertion in model container [2019-11-19 22:08:53,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:53" (1/1) ... [2019-11-19 22:08:53,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:08:53,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:08:54,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:08:54,224 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:08:54,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:08:54,384 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:08:54,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54 WrapperNode [2019-11-19 22:08:54,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:08:54,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:08:54,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:08:54,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:08:54,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:08:54,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:08:54,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:08:54,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:08:54,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... [2019-11-19 22:08:54,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:08:54,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:08:54,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:08:54,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:08:54,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:08:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:08:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:08:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:08:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:08:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:08:54,872 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:08:54,872 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 22:08:54,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:54 BoogieIcfgContainer [2019-11-19 22:08:54,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:08:54,874 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:08:54,874 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:08:54,877 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:08:54,878 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:54,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:08:53" (1/3) ... [2019-11-19 22:08:54,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44ca6f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:08:54, skipping insertion in model container [2019-11-19 22:08:54,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:54,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:54" (2/3) ... [2019-11-19 22:08:54,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44ca6f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:08:54, skipping insertion in model container [2019-11-19 22:08:54,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:54,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:54" (3/3) ... [2019-11-19 22:08:54,882 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrspn_malloc.i [2019-11-19 22:08:54,918 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:08:54,918 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:08:54,919 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:08:54,919 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:08:54,919 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:08:54,919 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:08:54,919 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:08:54,919 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:08:54,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 22:08:54,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:08:54,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:54,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:54,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:08:54,954 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:08:54,954 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:08:54,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 22:08:54,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:08:54,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:54,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:54,956 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:08:54,957 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:08:54,964 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 12#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 10#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 6#L369-4true [2019-11-19 22:08:54,964 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 18#L369-1true assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 8#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 5#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 6#L369-4true [2019-11-19 22:08:54,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:54,969 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-19 22:08:54,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:54,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124343215] [2019-11-19 22:08:54,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,125 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-19 22:08:55,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:55,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395905683] [2019-11-19 22:08:55,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:08:55,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395905683] [2019-11-19 22:08:55,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:08:55,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:08:55,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359633395] [2019-11-19 22:08:55,180 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:08:55,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:08:55,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 22:08:55,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 22:08:55,192 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-19 22:08:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:08:55,197 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-19 22:08:55,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:08:55,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-19 22:08:55,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:08:55,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-19 22:08:55,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 22:08:55,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 22:08:55,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-19 22:08:55,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:08:55,206 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-19 22:08:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-19 22:08:55,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-19 22:08:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 22:08:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-19 22:08:55,229 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-19 22:08:55,229 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-19 22:08:55,229 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:08:55,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-19 22:08:55,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:08:55,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:55,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:55,231 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:08:55,231 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:08:55,231 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 51#L382 assume !(main_~length1~0 < 1); 52#L382-2 assume !(main_~length2~0 < 1); 49#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2019-11-19 22:08:55,231 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 48#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 56#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 53#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209; 44#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 45#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 46#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2019-11-19 22:08:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:55,232 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-19 22:08:55,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:55,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133844437] [2019-11-19 22:08:55,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,273 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:55,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-19 22:08:55,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:55,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743789553] [2019-11-19 22:08:55,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:55,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:55,305 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-19 22:08:55,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:55,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533071040] [2019-11-19 22:08:55,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:55,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:55,638 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-19 22:08:55,941 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-19 22:08:56,308 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-11-19 22:08:56,482 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-19 22:08:56,493 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:08:56,494 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:08:56,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:08:56,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:08:56,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:08:56,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:56,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:08:56,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:08:56,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration2_Lasso [2019-11-19 22:08:56,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:08:56,498 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:08:56,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:56,960 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-11-19 22:08:57,154 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-19 22:08:57,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:57,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:57,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:08:57,877 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-11-19 22:08:58,125 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2019-11-19 22:08:58,136 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:08:58,141 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,259 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:08:58,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:58,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,376 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 [2019-11-19 22:08:58,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,380 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 22:08:58,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,403 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 22:08:58,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,444 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 [2019-11-19 22:08:58,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:58,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:58,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:58,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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) [2019-11-19 22:08:58,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:08:58,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,558 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 [2019-11-19 22:08:58,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:58,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:58,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:58,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:58,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:58,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:58,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:08:58,732 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-19 22:08:58,732 INFO L444 ModelExtractionUtils]: 17 out of 28 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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) [2019-11-19 22:08:58,740 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:58,744 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:08:58,744 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:08:58,745 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1) = -1*ULTIMATE.start_cstrspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1 Supporting invariants [] [2019-11-19 22:08:58,783 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-19 22:08:58,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:08:58,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:58,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:08:58,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:08:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:58,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:08:58,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:08:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:08:58,886 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:08:58,887 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-19 22:08:58,983 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-19 22:08:58,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:08:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:08:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-19 22:08:58,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-19 22:08:58,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:58,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-19 22:08:58,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:58,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-19 22:08:58,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:58,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-19 22:08:58,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:58,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-19 22:08:58,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-19 22:08:58,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-19 22:08:58,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-19 22:08:58,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:08:58,992 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:08:58,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-19 22:08:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-19 22:08:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-19 22:08:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-19 22:08:58,994 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:08:58,994 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:08:58,994 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:08:58,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-19 22:08:59,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:59,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:59,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:59,001 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:08:59,001 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:08:59,001 INFO L794 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 187#L382 assume !(main_~length1~0 < 1); 188#L382-2 assume !(main_~length2~0 < 1); 185#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 182#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 184#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 194#L372-5 [2019-11-19 22:08:59,002 INFO L796 eck$LassoCheckResult]: Loop: 194#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 189#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 190#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 194#L372-5 [2019-11-19 22:08:59,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:59,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-19 22:08:59,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:59,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514191845] [2019-11-19 22:08:59,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,077 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:59,079 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-19 22:08:59,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:59,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173031780] [2019-11-19 22:08:59,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:59,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:59,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-19 22:08:59,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:59,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500567309] [2019-11-19 22:08:59,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:59,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:59,269 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-11-19 22:08:59,418 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-11-19 22:08:59,863 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-11-19 22:09:00,061 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-11-19 22:09:00,064 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:09:00,064 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:09:00,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:09:00,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:09:00,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:09:00,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:00,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:09:00,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:09:00,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration3_Lasso [2019-11-19 22:09:00,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:09:00,065 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:09:00,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,507 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-11-19 22:09:00,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:00,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:01,386 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-19 22:09:01,582 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-19 22:09:01,611 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:09:01,611 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:01,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:09:01,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:01,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:01,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:09:01,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:01,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:01,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:01,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:01,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:01,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:01,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:01,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:01,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:01,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:01,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:01,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:01,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:01,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:09:01,811 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:09:01,873 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-19 22:09:01,873 INFO L444 ModelExtractionUtils]: 12 out of 55 variables were initially zero. Simplification set additionally 40 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:01,878 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:09:01,880 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:09:01,880 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:09:01,880 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 - 1*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2019-11-19 22:09:01,917 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2019-11-19 22:09:01,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:09:01,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:01,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:09:01,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:01,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:09:01,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:09:02,005 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 22:09:02,005 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-19 22:09:02,048 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 57 transitions. Complement of second has 6 states. [2019-11-19 22:09:02,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:09:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:09:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-19 22:09:02,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-19 22:09:02,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:02,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-19 22:09:02,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:02,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-19 22:09:02,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:02,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-19 22:09:02,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:09:02,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-19 22:09:02,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 22:09:02,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-19 22:09:02,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-19 22:09:02,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:09:02,055 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-19 22:09:02,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-19 22:09:02,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-19 22:09:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-19 22:09:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-19 22:09:02,058 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-19 22:09:02,058 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-19 22:09:02,058 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:09:02,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-19 22:09:02,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:09:02,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:09:02,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:09:02,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:09:02,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:09:02,060 INFO L794 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 375#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 376#L382 assume !(main_~length1~0 < 1); 377#L382-2 assume !(main_~length2~0 < 1); 374#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 370#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 371#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 384#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 380#L372-1 assume !cstrspn_#t~short210; 381#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209; 366#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 367#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 368#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 369#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 373#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 383#L372-5 [2019-11-19 22:09:02,060 INFO L796 eck$LassoCheckResult]: Loop: 383#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 378#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 379#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 383#L372-5 [2019-11-19 22:09:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:02,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-19 22:09:02,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:09:02,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971582327] [2019-11-19 22:09:02,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:09:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:09:02,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971582327] [2019-11-19 22:09:02,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:09:02,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 22:09:02,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078318239] [2019-11-19 22:09:02,129 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:09:02,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:02,129 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-19 22:09:02,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:09:02,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734964347] [2019-11-19 22:09:02,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:09:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:09:02,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:09:02,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:09:02,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:09:02,305 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-19 22:09:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:09:02,374 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-19 22:09:02,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:09:02,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-19 22:09:02,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 22:09:02,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-19 22:09:02,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 22:09:02,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-19 22:09:02,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-19 22:09:02,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:09:02,376 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-19 22:09:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-19 22:09:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-19 22:09:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-19 22:09:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-19 22:09:02,379 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-19 22:09:02,379 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-19 22:09:02,379 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:09:02,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-19 22:09:02,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:09:02,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:09:02,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:09:02,381 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:09:02,381 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:09:02,381 INFO L794 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 447#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 448#L382 assume !(main_~length1~0 < 1); 449#L382-2 assume !(main_~length2~0 < 1); 446#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 442#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 443#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 456#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 460#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 459#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209; 438#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 439#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 440#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 441#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 445#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 455#L372-5 [2019-11-19 22:09:02,381 INFO L796 eck$LassoCheckResult]: Loop: 455#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 451#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 452#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 455#L372-5 [2019-11-19 22:09:02,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:02,381 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-19 22:09:02,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:09:02,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010987921] [2019-11-19 22:09:02,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:09:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:09:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:02,415 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-19 22:09:02,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:09:02,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538862127] [2019-11-19 22:09:02,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:09:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,424 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:09:02,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:02,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-19 22:09:02,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:09:02,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644801469] [2019-11-19 22:09:02,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:09:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:09:02,461 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:09:03,206 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 141 [2019-11-19 22:09:04,181 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-11-19 22:09:04,183 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:09:04,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:09:04,183 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:09:04,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:09:04,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:09:04,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:04,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:09:04,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:09:04,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration5_Lasso [2019-11-19 22:09:04,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:09:04,184 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:09:04,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:04,443 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-19 22:09:05,265 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-11-19 22:09:05,393 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-11-19 22:09:05,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:05,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:09:05,551 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-19 22:09:06,066 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-11-19 22:09:06,226 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-19 22:09:06,722 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-19 22:09:06,748 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:09:06,748 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,753 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 [2019-11-19 22:09:06,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:06,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:06,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:06,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:09:06,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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) [2019-11-19 22:09:06,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:06,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:09:06,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/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 [2019-11-19 22:09:06,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:06,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:09:06,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:06,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:06,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:06,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:09:06,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:09:06,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:06,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:06,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:06,912 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 22:09:06,912 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-11-19 22:09:06,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:07,019 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2019-11-19 22:09:07,019 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:09:07,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:07,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:07,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:07,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:07,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:07,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:07,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:07,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:07,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:07,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:07,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:07,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:07,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:07,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:07,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:07,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:07,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:07,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:09:07,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:09:07,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:09:07,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:09:07,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:09:07,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:09:07,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:07,310 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:09:07,368 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 22:09:07,368 INFO L444 ModelExtractionUtils]: 38 out of 58 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb796634-36df-453a-9f3a-fbbae9f8d29f/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:09:07,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:09:07,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:09:07,379 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:09:07,380 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1) = -1*ULTIMATE.start_cstrspn_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1 Supporting invariants [] [2019-11-19 22:09:07,536 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2019-11-19 22:09:07,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:09:07,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:09:07,627 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:09:07,627 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-19 22:09:07,674 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-19 22:09:07,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:09:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:09:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-19 22:09:07,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-19 22:09:07,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:07,678 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:09:07,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:09:07,762 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:09:07,762 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-19 22:09:07,797 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-19 22:09:07,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:09:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:09:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-19 22:09:07,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-19 22:09:07,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:07,803 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:09:07,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:09:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:09:07,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:09:07,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:09:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:09:07,880 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:09:07,880 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-19 22:09:07,929 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 53 transitions. Complement of second has 4 states. [2019-11-19 22:09:07,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:09:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:09:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-11-19 22:09:07,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-19 22:09:07,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:07,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-19 22:09:07,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:07,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-19 22:09:07,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:09:07,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-19 22:09:07,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:09:07,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-19 22:09:07,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:09:07,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:09:07,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:09:07,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:09:07,934 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:09:07,934 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:09:07,934 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:09:07,935 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:09:07,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:09:07,935 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:09:07,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:09:07,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:09:07 BoogieIcfgContainer [2019-11-19 22:09:07,943 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:09:07,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:09:07,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:09:07,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:09:07,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:54" (3/4) ... [2019-11-19 22:09:07,949 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:09:07,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:09:07,950 INFO L168 Benchmark]: Toolchain (without parser) took 14115.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -75.4 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,951 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:09:07,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,958 INFO L168 Benchmark]: Boogie Preprocessor took 54.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,958 INFO L168 Benchmark]: RCFGBuilder took 365.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,959 INFO L168 Benchmark]: BuchiAutomizer took 13069.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.2 MB). Peak memory consumption was 311.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:09:07,959 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:09:07,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 549.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 365.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13069.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.2 MB). Peak memory consumption was 311.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.38 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[malloc(length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[malloc(length2 * sizeof(char))] + -1 * s and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s2] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 108 SDtfs, 112 SDslu, 57 SDs, 0 SdLazy, 97 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital386 mio100 ax100 hnf99 lsp91 ukn73 mio100 lsp32 div124 bol100 ite100 ukn100 eq172 hnf82 smp96 dnf594 smp43 tf100 neg96 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 317ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...