./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 abee338f12eaa8176313da7ed567414f687b7fa7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:18:18,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:18:18,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:18:18,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:18:18,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:18:18,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:18:18,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:18:18,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:18:18,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:18:18,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:18:18,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:18:18,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:18:18,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:18:18,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:18:18,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:18:18,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:18:18,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:18:18,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:18:18,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:18:18,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:18:18,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:18:18,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:18:18,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:18:18,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:18:18,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:18:18,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:18:18,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:18:18,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:18:18,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:18:18,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:18:18,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:18:18,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:18:18,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:18:18,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:18:18,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:18:18,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:18:18,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:18:18,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:18:18,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:18:18,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:18:18,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:18:18,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:18:18,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:18:18,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:18:18,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:18:18,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:18:18,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:18:18,878 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:18:18,879 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:18:18,879 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:18:18,879 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:18:18,879 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:18:18,879 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:18:18,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:18:18,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:18:18,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:18:18,881 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:18:18,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:18:18,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:18:18,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:18:18,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:18:18,882 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:18:18,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:18:18,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:18:18,882 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:18:18,883 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:18:18,883 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_d3412a8e-41c4-425b-ab56-8aac68583be1/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 -> abee338f12eaa8176313da7ed567414f687b7fa7 [2019-11-19 23:18:19,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:18:19,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:18:19,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:18:19,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:18:19,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:18:19,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2019-11-19 23:18:19,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/data/5290ac936/8017246f5ad74db59a7e1e065ca0ea0f/FLAGf750a5216 [2019-11-19 23:18:19,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:18:19,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2019-11-19 23:18:19,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/data/5290ac936/8017246f5ad74db59a7e1e065ca0ea0f/FLAGf750a5216 [2019-11-19 23:18:20,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/data/5290ac936/8017246f5ad74db59a7e1e065ca0ea0f [2019-11-19 23:18:20,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:18:20,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:18:20,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:18:20,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:18:20,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:18:20,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707d5de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20, skipping insertion in model container [2019-11-19 23:18:20,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,086 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:18:20,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:18:20,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:18:20,535 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:18:20,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:18:20,622 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:18:20,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20 WrapperNode [2019-11-19 23:18:20,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:18:20,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:18:20,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:18:20,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:18:20,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:18:20,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:18:20,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:18:20,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:18:20,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... [2019-11-19 23:18:20,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:18:20,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:18:20,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:18:20,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:18:20,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:18:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:18:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:18:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:18:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:18:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:18:21,105 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:18:21,105 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-19 23:18:21,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:21 BoogieIcfgContainer [2019-11-19 23:18:21,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:18:21,107 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:18:21,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:18:21,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:18:21,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:18:21,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:18:20" (1/3) ... [2019-11-19 23:18:21,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8cd38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:18:21, skipping insertion in model container [2019-11-19 23:18:21,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:18:21,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:20" (2/3) ... [2019-11-19 23:18:21,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8cd38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:18:21, skipping insertion in model container [2019-11-19 23:18:21,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:18:21,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:21" (3/3) ... [2019-11-19 23:18:21,115 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.18-alloca.i [2019-11-19 23:18:21,171 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:18:21,172 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:18:21,172 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:18:21,172 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:18:21,172 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:18:21,172 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:18:21,173 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:18:21,173 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:18:21,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-19 23:18:21,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 23:18:21,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:21,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:21,211 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:21,211 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:18:21,211 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:18:21,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-19 23:18:21,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 23:18:21,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:21,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:21,214 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:21,214 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:18:21,221 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 8#L559-4true [2019-11-19 23:18:21,222 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-4true call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 14#L553-1true assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 18#L553-3true assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 9#L554true assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 6#L559-3true assume !true; 8#L559-4true [2019-11-19 23:18:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,226 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 23:18:21,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304348587] [2019-11-19 23:18:21,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,365 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash 35410170, now seen corresponding path program 1 times [2019-11-19 23:18:21,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118038459] [2019-11-19 23:18:21,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:21,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118038459] [2019-11-19 23:18:21,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:18:21,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-19 23:18:21,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123079923] [2019-11-19 23:18:21,412 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:18:21,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:21,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:18:21,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:18:21,425 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2019-11-19 23:18:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:21,431 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2019-11-19 23:18:21,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:18:21,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2019-11-19 23:18:21,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 23:18:21,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 10 states and 14 transitions. [2019-11-19 23:18:21,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-19 23:18:21,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-19 23:18:21,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2019-11-19 23:18:21,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:18:21,440 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-19 23:18:21,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2019-11-19 23:18:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-19 23:18:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 23:18:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2019-11-19 23:18:21,467 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-19 23:18:21,467 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-19 23:18:21,467 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:18:21,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2019-11-19 23:18:21,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 23:18:21,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:21,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:21,468 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:21,468 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:18:21,469 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 43#L559-4 [2019-11-19 23:18:21,469 INFO L796 eck$LassoCheckResult]: Loop: 43#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 49#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 50#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 51#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 45#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 44#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 43#L559-4 [2019-11-19 23:18:21,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,469 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-19 23:18:21,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558355030] [2019-11-19 23:18:21,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,500 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:21,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1097715097, now seen corresponding path program 1 times [2019-11-19 23:18:21,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314359637] [2019-11-19 23:18:21,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:21,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314359637] [2019-11-19 23:18:21,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:18:21,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:18:21,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403151294] [2019-11-19 23:18:21,597 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:18:21,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:21,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:18:21,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:18:21,598 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-19 23:18:21,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:21,672 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2019-11-19 23:18:21,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:18:21,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2019-11-19 23:18:21,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-11-19 23:18:21,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2019-11-19 23:18:21,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-19 23:18:21,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-19 23:18:21,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-11-19 23:18:21,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:18:21,675 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-19 23:18:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-11-19 23:18:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-19 23:18:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-19 23:18:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-11-19 23:18:21,677 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-19 23:18:21,677 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-19 23:18:21,677 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:18:21,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-11-19 23:18:21,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-19 23:18:21,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:21,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:21,679 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:21,679 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:18:21,679 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 79#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 80#L559-4 [2019-11-19 23:18:21,679 INFO L796 eck$LassoCheckResult]: Loop: 80#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 86#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 87#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 89#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 84#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 85#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 80#L559-4 [2019-11-19 23:18:21,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,680 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2019-11-19 23:18:21,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554052791] [2019-11-19 23:18:21,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,714 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:21,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1097700202, now seen corresponding path program 1 times [2019-11-19 23:18:21,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201790939] [2019-11-19 23:18:21,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:21,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201790939] [2019-11-19 23:18:21,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:18:21,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:18:21,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605045168] [2019-11-19 23:18:21,760 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:18:21,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:21,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:18:21,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:18:21,761 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-19 23:18:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:21,806 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-19 23:18:21,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:18:21,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-19 23:18:21,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-19 23:18:21,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-19 23:18:21,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-19 23:18:21,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-19 23:18:21,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-19 23:18:21,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:18:21,809 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 23:18:21,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-19 23:18:21,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-19 23:18:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-19 23:18:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-19 23:18:21,812 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-19 23:18:21,812 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-19 23:18:21,812 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 23:18:21,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-19 23:18:21,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-19 23:18:21,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:21,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:21,814 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:21,814 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-19 23:18:21,814 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 116#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 117#L559-4 [2019-11-19 23:18:21,814 INFO L796 eck$LassoCheckResult]: Loop: 117#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 121#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 122#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 126#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 123#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 124#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 128#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 129#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 117#L559-4 [2019-11-19 23:18:21,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,815 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2019-11-19 23:18:21,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463781040] [2019-11-19 23:18:21,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:21,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:21,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:21,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1672057937, now seen corresponding path program 1 times [2019-11-19 23:18:21,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:21,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113371992] [2019-11-19 23:18:21,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:21,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:21,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113371992] [2019-11-19 23:18:21,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348364120] [2019-11-19 23:18:21,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:18:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:22,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 23:18:22,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:22,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:18:22,189 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:18:22,190 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 63 [2019-11-19 23:18:22,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-19 23:18:22,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:18:22,195 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:22,255 INFO L567 ElimStorePlain]: treesize reduction 51, result has 49.0 percent of original size [2019-11-19 23:18:22,256 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-19 23:18:22,257 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:47 [2019-11-19 23:18:22,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:18:22,356 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:18:22,356 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2019-11-19 23:18:22,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:22,367 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-11-19 23:18:22,368 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:22,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:18:22,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:18:22,387 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:61, output treesize:3 [2019-11-19 23:18:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:22,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:18:22,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-11-19 23:18:22,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182484248] [2019-11-19 23:18:22,389 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:18:22,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:22,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 23:18:22,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:18:22,390 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand 10 states. [2019-11-19 23:18:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:34,820 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-11-19 23:18:34,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:18:34,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-11-19 23:18:34,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-19 23:18:34,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2019-11-19 23:18:34,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-19 23:18:34,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 23:18:34,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-11-19 23:18:34,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:18:34,823 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-19 23:18:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-11-19 23:18:34,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 23:18:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 23:18:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-19 23:18:34,826 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-19 23:18:34,826 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-19 23:18:34,826 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 23:18:34,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-11-19 23:18:34,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-19 23:18:34,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:34,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:34,827 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:18:34,828 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-19 23:18:34,828 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 190#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 191#L559-4 [2019-11-19 23:18:34,828 INFO L796 eck$LassoCheckResult]: Loop: 191#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 195#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 196#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 200#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 201#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 192#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 193#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 199#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 191#L559-4 [2019-11-19 23:18:34,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:34,829 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2019-11-19 23:18:34,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:34,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129331323] [2019-11-19 23:18:34,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:34,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:34,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1657743362, now seen corresponding path program 1 times [2019-11-19 23:18:34,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:34,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740928751] [2019-11-19 23:18:34,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,872 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:34,873 INFO L82 PathProgramCache]: Analyzing trace with hash -967181888, now seen corresponding path program 1 times [2019-11-19 23:18:34,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:34,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994306696] [2019-11-19 23:18:34,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:34,907 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:35,079 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-11-19 23:18:35,336 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-11-19 23:18:35,424 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:18:35,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:18:35,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:18:35,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:18:35,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:18:35,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:35,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:18:35,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:18:35,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration5_Lasso [2019-11-19 23:18:35,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:18:35,426 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:18:35,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,729 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-11-19 23:18:35,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:35,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:36,214 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:18:36,218 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,296 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 23:18:36,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:36,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,343 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 23:18:36,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:36,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:36,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:36,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:18:36,568 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:36,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:36,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:36,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:36,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:36,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:36,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:36,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:36,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:36,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:36,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:36,660 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:18:36,758 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 23:18:36,758 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:36,790 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:36,794 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:18:36,794 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:18:36,795 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2019-11-19 23:18:36,836 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-19 23:18:36,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:18:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:36,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:18:36,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:36,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 23:18:36,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:36,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:18:36,898 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2019-11-19 23:18:36,898 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:36,936 INFO L567 ElimStorePlain]: treesize reduction 1, result has 94.7 percent of original size [2019-11-19 23:18:36,939 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-19 23:18:36,939 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:36,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:18:36,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-19 23:18:36,945 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:6 [2019-11-19 23:18:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:18:36,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-19 23:18:36,990 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-11-19 23:18:37,152 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 40 states and 53 transitions. Complement of second has 10 states. [2019-11-19 23:18:37,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 23:18:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 23:18:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-19 23:18:37,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-19 23:18:37,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:37,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-19 23:18:37,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:37,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-19 23:18:37,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:37,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2019-11-19 23:18:37,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-19 23:18:37,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 38 states and 51 transitions. [2019-11-19 23:18:37,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-19 23:18:37,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-19 23:18:37,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2019-11-19 23:18:37,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:18:37,160 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2019-11-19 23:18:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2019-11-19 23:18:37,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-11-19 23:18:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 23:18:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2019-11-19 23:18:37,164 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-19 23:18:37,164 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-19 23:18:37,164 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 23:18:37,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2019-11-19 23:18:37,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-19 23:18:37,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:37,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:37,166 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 23:18:37,166 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1, 1] [2019-11-19 23:18:37,166 INFO L794 eck$LassoCheckResult]: Stem: 362#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 354#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 355#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 367#L553-1 [2019-11-19 23:18:37,166 INFO L796 eck$LassoCheckResult]: Loop: 367#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 368#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 371#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 363#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 364#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 373#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 380#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 379#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 378#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 357#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 367#L553-1 [2019-11-19 23:18:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:37,167 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 23:18:37,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:37,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051258086] [2019-11-19 23:18:37,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,186 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:37,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:37,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1479493138, now seen corresponding path program 2 times [2019-11-19 23:18:37,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:37,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059723966] [2019-11-19 23:18:37,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,219 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:37,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:37,220 INFO L82 PathProgramCache]: Analyzing trace with hash 376307409, now seen corresponding path program 1 times [2019-11-19 23:18:37,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:37,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649756438] [2019-11-19 23:18:37,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:37,287 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:37,465 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-11-19 23:18:37,767 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-11-19 23:18:38,121 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-11-19 23:18:38,123 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:18:38,123 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:18:38,123 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:18:38,123 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:18:38,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:18:38,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:38,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:18:38,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:18:38,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration6_Lasso [2019-11-19 23:18:38,124 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:18:38,124 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:18:38,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:38,688 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-11-19 23:18:39,272 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-19 23:18:39,319 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:18:39,319 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:18:39,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:39,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:39,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,489 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 23:18:39,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,558 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 23:18:39,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:39,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:39,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:39,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:39,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:39,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:39,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:39,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,673 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:39,675 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 23:18:39,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:39,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:39,685 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 23:18:39,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:39,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:18:39,729 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-19 23:18:39,730 INFO L444 ModelExtractionUtils]: 15 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) [2019-11-19 23:18:39,734 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:39,737 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:18:39,737 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:18:39,737 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(ite ULTIMATE.start_test_fun_#t~short6 1 0)_2) = 1*v_rep(ite ULTIMATE.start_test_fun_#t~short6 1 0)_2 Supporting invariants [] [2019-11-19 23:18:39,801 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-19 23:18:39,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:39,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:18:39,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:39,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 23:18:39,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:18:39,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-19 23:18:39,893 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-19 23:18:39,972 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 73 states and 98 transitions. Complement of second has 10 states. [2019-11-19 23:18:39,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 23:18:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 23:18:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2019-11-19 23:18:39,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-19 23:18:39,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:39,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 13 letters. Loop has 10 letters. [2019-11-19 23:18:39,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:39,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 20 letters. [2019-11-19 23:18:39,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:39,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 98 transitions. [2019-11-19 23:18:39,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:18:39,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 65 states and 89 transitions. [2019-11-19 23:18:39,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-19 23:18:39,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-19 23:18:39,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 89 transitions. [2019-11-19 23:18:39,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:18:39,979 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 89 transitions. [2019-11-19 23:18:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 89 transitions. [2019-11-19 23:18:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2019-11-19 23:18:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 23:18:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-19 23:18:39,983 INFO L711 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 23:18:39,983 INFO L591 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 23:18:39,983 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-19 23:18:39,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 79 transitions. [2019-11-19 23:18:39,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:18:39,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:39,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:39,985 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:18:39,985 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:18:39,985 INFO L794 eck$LassoCheckResult]: Stem: 579#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 571#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 572#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 615#L553-1 assume !test_fun_#t~short6; 585#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 590#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 580#L555-3 [2019-11-19 23:18:39,985 INFO L796 eck$LassoCheckResult]: Loop: 580#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 581#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 580#L555-3 [2019-11-19 23:18:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:39,987 INFO L82 PathProgramCache]: Analyzing trace with hash 889571371, now seen corresponding path program 1 times [2019-11-19 23:18:39,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:39,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628901013] [2019-11-19 23:18:39,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:40,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628901013] [2019-11-19 23:18:40,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:18:40,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:18:40,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975686624] [2019-11-19 23:18:40,002 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 23:18:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:40,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2019-11-19 23:18:40,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:40,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791361027] [2019-11-19 23:18:40,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,009 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:40,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:40,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:18:40,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:18:40,045 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. cyclomatic complexity: 30 Second operand 3 states. [2019-11-19 23:18:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:40,053 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-11-19 23:18:40,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:18:40,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 75 transitions. [2019-11-19 23:18:40,055 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:18:40,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 53 states and 67 transitions. [2019-11-19 23:18:40,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 23:18:40,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 23:18:40,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 67 transitions. [2019-11-19 23:18:40,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:18:40,056 INFO L688 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-19 23:18:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 67 transitions. [2019-11-19 23:18:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-19 23:18:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-19 23:18:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2019-11-19 23:18:40,065 INFO L711 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-19 23:18:40,066 INFO L591 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-19 23:18:40,066 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-19 23:18:40,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 67 transitions. [2019-11-19 23:18:40,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:18:40,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:40,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:40,070 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:18:40,070 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:18:40,070 INFO L794 eck$LassoCheckResult]: Stem: 699#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 691#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 692#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 737#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 705#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 710#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 700#L555-3 [2019-11-19 23:18:40,070 INFO L796 eck$LassoCheckResult]: Loop: 700#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 701#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 700#L555-3 [2019-11-19 23:18:40,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:40,071 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2019-11-19 23:18:40,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:40,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643701107] [2019-11-19 23:18:40,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:40,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:40,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2019-11-19 23:18:40,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:40,102 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670919995] [2019-11-19 23:18:40,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,115 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:40,116 INFO L82 PathProgramCache]: Analyzing trace with hash 177749422, now seen corresponding path program 1 times [2019-11-19 23:18:40,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:40,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503527890] [2019-11-19 23:18:40,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:40,160 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:40,410 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2019-11-19 23:18:40,492 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:18:40,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:18:40,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:18:40,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:18:40,492 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:18:40,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:40,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:18:40,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:18:40,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration8_Lasso [2019-11-19 23:18:40,493 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:18:40,493 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:18:40,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,705 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-19 23:18:40,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:40,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:18:41,074 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:41,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:41,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:41,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:41,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:41,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:41,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:41,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:41,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:41,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:41,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:41,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:41,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:41,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:41,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:41,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:41,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:41,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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 23:18:41,149 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 23:18:41,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:41,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:41,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:41,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:41,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:41,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:41,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:18:41,194 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-19 23:18:41,194 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:41,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:18:41,200 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:18:41,200 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:18:41,200 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2019-11-19 23:18:41,218 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2019-11-19 23:18:41,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:18:41,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:41,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:18:41,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:41,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:18:41,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:41,255 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 23:18:41,255 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20 Second operand 3 states. [2019-11-19 23:18:41,288 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20. Second operand 3 states. Result 149 states and 188 transitions. Complement of second has 6 states. [2019-11-19 23:18:41,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:18:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:18:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-19 23:18:41,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 23:18:41,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:41,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-19 23:18:41,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:41,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-19 23:18:41,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:41,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 188 transitions. [2019-11-19 23:18:41,295 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:18:41,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 56 states and 67 transitions. [2019-11-19 23:18:41,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-19 23:18:41,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-19 23:18:41,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-11-19 23:18:41,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:18:41,298 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-11-19 23:18:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-11-19 23:18:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 30. [2019-11-19 23:18:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 23:18:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2019-11-19 23:18:41,301 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-11-19 23:18:41,301 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-11-19 23:18:41,302 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-19 23:18:41,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2019-11-19 23:18:41,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:18:41,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:41,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:41,303 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:18:41,303 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:18:41,303 INFO L794 eck$LassoCheckResult]: Stem: 986#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 980#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 981#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 993#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1002#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1001#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1000#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 999#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 997#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 982#L559-1 [2019-11-19 23:18:41,303 INFO L796 eck$LassoCheckResult]: Loop: 982#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 983#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 982#L559-1 [2019-11-19 23:18:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1215726572, now seen corresponding path program 1 times [2019-11-19 23:18:41,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:41,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663934082] [2019-11-19 23:18:41,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:41,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:41,322 INFO L82 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 1 times [2019-11-19 23:18:41,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:41,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747064649] [2019-11-19 23:18:41,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,328 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:41,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:41,328 INFO L82 PathProgramCache]: Analyzing trace with hash 82132647, now seen corresponding path program 2 times [2019-11-19 23:18:41,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:41,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268250598] [2019-11-19 23:18:41,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:41,350 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:41,804 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 97 [2019-11-19 23:18:41,923 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-19 23:18:41,925 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:18:41,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:18:41,925 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:18:41,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:18:41,925 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:18:41,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:41,925 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:18:41,925 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:18:41,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration9_Lasso [2019-11-19 23:18:41,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:18:41,925 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:18:41,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:41,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,110 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-11-19 23:18:42,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,157 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 23:18:42,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,160 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 23:18:42,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:18:42,482 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:18:42,482 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:42,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:42,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:42,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:42,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:42,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:42,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/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) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:42,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:42,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:42,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:18:42,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:18:42,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:18:42,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,516 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 23:18:42,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:18:42,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:18:42,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:18:42,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:18:42,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:18:42,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:18:42,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:18:42,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:18:42,653 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-19 23:18:42,654 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3412a8e-41c4-425b-ab56-8aac68583be1/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:18:42,656 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:18:42,658 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 23:18:42,659 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:18:42,659 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem11) = 1*ULTIMATE.start_test_fun_#t~mem11 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem11 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 >= 0] [2019-11-19 23:18:42,680 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-11-19 23:18:42,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:42,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:18:42,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:42,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 23:18:42,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:18:42,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-19 23:18:42,731 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 23:18:42,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 23:18:42,736 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 23:18:42,736 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:13 [2019-11-19 23:18:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:42,752 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 23:18:42,752 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-19 23:18:42,778 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 61 states and 76 transitions. Complement of second has 5 states. [2019-11-19 23:18:42,780 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 23:18:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:18:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2019-11-19 23:18:42,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:18:42,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:42,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-19 23:18:42,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:42,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-19 23:18:42,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:18:42,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2019-11-19 23:18:42,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:18:42,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 54 states and 66 transitions. [2019-11-19 23:18:42,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-19 23:18:42,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-19 23:18:42,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 66 transitions. [2019-11-19 23:18:42,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:18:42,783 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 66 transitions. [2019-11-19 23:18:42,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 66 transitions. [2019-11-19 23:18:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2019-11-19 23:18:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 23:18:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2019-11-19 23:18:42,788 INFO L711 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2019-11-19 23:18:42,788 INFO L591 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2019-11-19 23:18:42,788 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-19 23:18:42,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 57 transitions. [2019-11-19 23:18:42,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:18:42,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:18:42,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:18:42,790 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1] [2019-11-19 23:18:42,790 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:18:42,790 INFO L794 eck$LassoCheckResult]: Stem: 1180#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1174#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1175#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 1189#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1182#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1219#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1217#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1178#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1179#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1194#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 1200#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 1199#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1198#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem5;havoc test_fun_#t~short6;havoc test_fun_#t~mem4;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1197#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1196#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1195#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1193#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1176#L559-1 [2019-11-19 23:18:42,790 INFO L796 eck$LassoCheckResult]: Loop: 1176#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1177#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1176#L559-1 [2019-11-19 23:18:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash -2055714993, now seen corresponding path program 2 times [2019-11-19 23:18:42,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:42,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100149286] [2019-11-19 23:18:42,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:18:42,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100149286] [2019-11-19 23:18:42,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:18:42,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:18:42,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587739929] [2019-11-19 23:18:42,843 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 23:18:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 2 times [2019-11-19 23:18:42,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:18:42,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475457840] [2019-11-19 23:18:42,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:18:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:18:42,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:18:42,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:18:42,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:18:42,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:18:42,881 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. cyclomatic complexity: 14 Second operand 5 states. [2019-11-19 23:18:42,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:18:42,926 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2019-11-19 23:18:42,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:18:42,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2019-11-19 23:18:42,927 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:18:42,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:18:42,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:18:42,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:18:42,927 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-19 23:18:42,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:18:42,927 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:18:42,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:18:42,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:18:42 BoogieIcfgContainer [2019-11-19 23:18:42,933 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:18:42,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:18:42,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:18:42,933 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:18:42,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:21" (3/4) ... [2019-11-19 23:18:42,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:18:42,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:18:42,941 INFO L168 Benchmark]: Toolchain (without parser) took 22871.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 944.7 MB in the beginning and 859.9 MB in the end (delta: 84.8 MB). Peak memory consumption was 398.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:18:42,942 INFO L168 Benchmark]: CDTParser took 0.18 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 23:18:42,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:18:42,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:18:42,943 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:18:42,944 INFO L168 Benchmark]: RCFGBuilder took 395.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:18:42,944 INFO L168 Benchmark]: BuchiAutomizer took 21826.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 859.9 MB in the end (delta: 242.2 MB). Peak memory consumption was 407.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:18:42,944 INFO L168 Benchmark]: Witness Printer took 6.30 ms. Allocated memory is still 1.3 GB. Free memory is still 859.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:18:42,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 552.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 395.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 21826.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 859.9 MB in the end (delta: 242.2 MB). Peak memory consumption was 407.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.30 ms. Allocated memory is still 1.3 GB. Free memory is still 859.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. One deterministic module has affine ranking function (if aux-(*x_ref > 0) && (*y_ref > 0)-aux then 1 else 0) and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@111aca45 and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.7s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 8.3s. Construction of modules took 12.4s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 57 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 55 states and ocurred in iteration 6. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 8/8 HoareTripleCheckerStatistics: 117 SDtfs, 89 SDslu, 103 SDs, 0 SdLazy, 236 SolverSat, 38 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.4s Time LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital240 mio100 ax108 hnf99 lsp81 ukn73 mio100 lsp33 div100 bol103 ite100 ukn100 eq176 hnf89 smp96 dnf138 smp89 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 68ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...