./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 7c56c09a74d2fc3893706afbe8a4ee36044dd617 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:40:11,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:40:11,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:40:11,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:40:11,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:40:11,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:40:11,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:40:12,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:40:12,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:40:12,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:40:12,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:40:12,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:40:12,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:40:12,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:40:12,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:40:12,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:40:12,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:40:12,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:40:12,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:40:12,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:40:12,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:40:12,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:40:12,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:40:12,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:40:12,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:40:12,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:40:12,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:40:12,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:40:12,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:40:12,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:40:12,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:40:12,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:40:12,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:40:12,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:40:12,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:40:12,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:40:12,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:40:12,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:40:12,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:40:12,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:40:12,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:40:12,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:40:12,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:40:12,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:40:12,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:40:12,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:40:12,076 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:40:12,076 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:40:12,077 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:40:12,077 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:40:12,077 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:40:12,077 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:40:12,078 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:40:12,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:40:12,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:40:12,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:40:12,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:40:12,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:40:12,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:40:12,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:40:12,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:40:12,080 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:40:12,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:40:12,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:40:12,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:40:12,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:40:12,081 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:40:12,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:40:12,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:40:12,082 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:40:12,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:40:12,083 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_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 -> 7c56c09a74d2fc3893706afbe8a4ee36044dd617 [2019-11-19 23:40:12,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:40:12,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:40:12,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:40:12,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:40:12,265 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:40:12,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2019-11-19 23:40:12,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/data/ef38c19d3/f0a017d00eaa4e208209c9c15dcf887d/FLAG7a85c80ae [2019-11-19 23:40:12,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:40:12,782 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2019-11-19 23:40:12,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/data/ef38c19d3/f0a017d00eaa4e208209c9c15dcf887d/FLAG7a85c80ae [2019-11-19 23:40:13,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/data/ef38c19d3/f0a017d00eaa4e208209c9c15dcf887d [2019-11-19 23:40:13,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:40:13,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:40:13,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:40:13,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:40:13,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:40:13,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed0a0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13, skipping insertion in model container [2019-11-19 23:40:13,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,088 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:40:13,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:40:13,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:40:13,524 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:40:13,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:40:13,662 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:40:13,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13 WrapperNode [2019-11-19 23:40:13,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:40:13,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:40:13,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:40:13,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:40:13,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:40:13,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:40:13,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:40:13,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:40:13,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... [2019-11-19 23:40:13,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:40:13,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:40:13,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:40:13,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:40:13,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:40:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:40:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 23:40:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:40:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:40:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:40:14,039 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:40:14,040 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 23:40:14,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:40:14 BoogieIcfgContainer [2019-11-19 23:40:14,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:40:14,041 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:40:14,041 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:40:14,044 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:40:14,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:40:14,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:40:13" (1/3) ... [2019-11-19 23:40:14,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e1a026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:40:14, skipping insertion in model container [2019-11-19 23:40:14,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:40:14,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:40:13" (2/3) ... [2019-11-19 23:40:14,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e1a026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:40:14, skipping insertion in model container [2019-11-19 23:40:14,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:40:14,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:40:14" (3/3) ... [2019-11-19 23:40:14,050 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncpy_malloc.i [2019-11-19 23:40:14,120 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:40:14,123 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:40:14,128 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:40:14,128 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:40:14,128 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:40:14,128 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:40:14,129 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:40:14,129 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:40:14,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-19 23:40:14,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:40:14,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:40:14,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:40:14,167 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:40:14,168 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:40:14,168 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:40:14,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-19 23:40:14,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 23:40:14,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:40:14,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:40:14,170 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:40:14,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:40:14,178 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 5#L385true assume !(main_~length~0 < 1); 7#L385-2true assume !(main_~n~0 < 1); 3#L388-1true call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnHeap(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnHeap(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 14#L370-2true [2019-11-19 23:40:14,178 INFO L796 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, 1 + cstrncpy_#t~post206.offset;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 9#L372true assume !(0 == cstrncpy_#t~mem208);havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208; 14#L370-2true [2019-11-19 23:40:14,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:14,184 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-19 23:40:14,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:14,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655884663] [2019-11-19 23:40:14,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:14,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:14,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2019-11-19 23:40:14,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:14,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914458550] [2019-11-19 23:40:14,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:14,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2019-11-19 23:40:14,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:14,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711281776] [2019-11-19 23:40:14,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:14,422 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:14,548 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-19 23:40:14,991 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-11-19 23:40:15,152 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-19 23:40:15,161 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:40:15,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:40:15,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:40:15,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:40:15,162 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:40:15,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:15,162 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:40:15,162 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:40:15,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_malloc.i_Iteration1_Lasso [2019-11-19 23:40:15,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:40:15,162 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:40:15,187 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 23:40:15,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,195 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 23:40:15,197 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 23:40:15,205 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 23:40:15,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,211 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 23:40:15,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,217 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 23:40:15,219 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 23:40:15,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,223 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 23:40:15,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:15,248 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 23:40:15,636 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-11-19 23:40:15,835 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-11-19 23:40:15,835 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 23:40:15,838 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 23:40:15,841 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 23:40:15,844 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 23:40:16,732 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-19 23:40:16,828 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:40:16,833 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:16,850 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 23:40:16,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,882 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 23:40:16,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,909 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 23:40:16,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:16,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:16,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,922 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 23:40:16,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:16,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:16,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,945 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 23:40:16,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,955 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 23:40:16,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:16,965 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 23:40:16,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:16,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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) [2019-11-19 23:40:16,990 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 23:40:16,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:16,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:16,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:16,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:16,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:16,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:16,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:16,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,009 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 23:40:17,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,018 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 23:40:17,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,032 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 23:40:17,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,049 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 23:40:17,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,058 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 23:40:17,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,066 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 23:40:17,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,075 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 23:40:17,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,083 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 23:40:17,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,096 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 23:40:17,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:17,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:17,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:17,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:17,113 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 23:40:17,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:17,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:17,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:17,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:17,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:17,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:17,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:40:17,325 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-19 23:40:17,325 INFO L444 ModelExtractionUtils]: 22 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:40:17,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:17,347 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:40:17,347 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:40:17,348 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n) = 1*ULTIMATE.start_cstrncpy_~n Supporting invariants [] [2019-11-19 23:40:17,388 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2019-11-19 23:40:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:17,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:40:17,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:17,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:40:17,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:17,514 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 23:40:17,529 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 23:40:17,530 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-11-19 23:40:17,568 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 30 states and 40 transitions. Complement of second has 5 states. [2019-11-19 23:40:17,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 23:40:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:40:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-19 23:40:17,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-19 23:40:17,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:17,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 23:40:17,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:17,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-19 23:40:17,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:17,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2019-11-19 23:40:17,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:40:17,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2019-11-19 23:40:17,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-19 23:40:17,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-19 23:40:17,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-19 23:40:17,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:40:17,583 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-19 23:40:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-19 23:40:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-19 23:40:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 23:40:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-19 23:40:17,607 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-19 23:40:17,608 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-19 23:40:17,608 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:40:17,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-19 23:40:17,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:40:17,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:40:17,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:40:17,609 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:40:17,609 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:40:17,609 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 144#L-1 havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 145#L385 assume !(main_~length~0 < 1); 150#L385-2 assume !(main_~n~0 < 1); 148#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnHeap(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnHeap(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 149#L370-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, 1 + cstrncpy_#t~post206.offset;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 141#L372 assume 0 == cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 143#L375-3 [2019-11-19 23:40:17,610 INFO L796 eck$LassoCheckResult]: Loop: 143#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 146#L375-1 assume !!(0 != cstrncpy_#t~post209);havoc cstrncpy_#t~post209;cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post210.base, 1 + cstrncpy_#t~post210.offset;call write~int(0, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 143#L375-3 [2019-11-19 23:40:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:17,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2019-11-19 23:40:17,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:17,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320176289] [2019-11-19 23:40:17,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,656 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:17,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2019-11-19 23:40:17,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:17,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217034894] [2019-11-19 23:40:17,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:17,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:17,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2019-11-19 23:40:17,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:40:17,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070727192] [2019-11-19 23:40:17,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:40:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:40:17,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:40:18,461 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2019-11-19 23:40:18,678 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-19 23:40:18,680 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:40:18,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:40:18,681 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:40:18,681 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:40:18,681 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:40:18,681 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:18,681 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:40:18,681 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:40:18,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_malloc.i_Iteration2_Lasso [2019-11-19 23:40:18,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:40:18,682 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:40:18,687 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 23:40:18,692 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 23:40:18,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:18,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:18,706 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 23:40:18,709 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 23:40:18,732 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 23:40:18,737 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 23:40:18,739 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 23:40:18,745 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 23:40:18,749 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 23:40:18,751 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 23:40:18,752 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 23:40:18,754 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 23:40:18,756 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 23:40:19,125 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-11-19 23:40:19,251 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-19 23:40:19,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:19,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:19,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:19,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:40:19,990 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-11-19 23:40:20,206 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:40:20,207 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,216 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 23:40:20,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,254 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 23:40:20,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:20,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,285 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 23:40:20,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,296 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 23:40:20,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,299 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 23:40:20,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,306 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 23:40:20,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,309 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 23:40:20,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:20,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,328 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 23:40:20,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,336 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 23:40:20,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,343 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 23:40:20,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,350 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 23:40:20,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,364 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 23:40:20,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:40:20,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,378 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 23:40:20,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,380 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 23:40:20,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,410 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:40:20,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:40:20,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,445 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 23:40:20,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,457 INFO L402 nArgumentSynthesizer]: A total of 2 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 23:40:20,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,482 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 23:40:20,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,486 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 23:40:20,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,504 INFO L402 nArgumentSynthesizer]: A total of 2 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 23:40:20,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,513 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 23:40:20,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,517 INFO L402 nArgumentSynthesizer]: A total of 2 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 23:40:20,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,527 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 23:40:20,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:40:20,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:40:20,530 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 23:40:20,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,538 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 23:40:20,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:40:20,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:40:20,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:40:20,545 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 23:40:20,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/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 23:40:20,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:40:20,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:40:20,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:40:20,561 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 23:40:20,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,597 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-19 23:40:20,598 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 23:40:20,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:40:20,891 INFO L443 ModelExtractionUtils]: Simplification made 32 calls to the SMT solver. [2019-11-19 23:40:20,891 INFO L444 ModelExtractionUtils]: 49 out of 91 variables were initially zero. Simplification set additionally 39 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db2cec14-8c3d-4a50-b75f-3256c3a23df1/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:40:20,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:40:20,899 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-19 23:40:20,899 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:40:20,900 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n2~0) = 1*ULTIMATE.start_cstrncpy_~n2~0 Supporting invariants [1*ULTIMATE.start_cstrncpy_~n2~0 >= 0] [2019-11-19 23:40:20,947 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-19 23:40:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:21,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:40:21,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:21,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:40:21,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:21,042 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 23:40:21,042 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 23:40:21,043 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 23:40:21,087 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-19 23:40:21,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2019-11-19 23:40:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 23:40:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-19 23:40:21,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 23:40:21,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:21,088 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 23:40:21,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:40:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:21,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:40:21,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:40:21,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:40:21,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:40:21,158 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 23:40:21,158 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 23:40:21,158 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 23:40:21,187 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 12 states and 16 transitions. Complement of second has 5 states. [2019-11-19 23:40:21,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 23:40:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 23:40:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2019-11-19 23:40:21,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 23:40:21,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:21,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:40:21,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:21,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-19 23:40:21,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:40:21,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2019-11-19 23:40:21,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:40:21,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:40:21,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:40:21,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:40:21,191 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:40:21,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:40:21,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:40:21,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:40:21,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:40:21 BoogieIcfgContainer [2019-11-19 23:40:21,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:40:21,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:40:21,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:40:21,198 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:40:21,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:40:14" (3/4) ... [2019-11-19 23:40:21,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:40:21,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:40:21,203 INFO L168 Benchmark]: Toolchain (without parser) took 8127.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -310.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:40:21,203 INFO L168 Benchmark]: CDTParser took 0.23 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 23:40:21,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:40:21,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:40:21,205 INFO L168 Benchmark]: Boogie Preprocessor took 38.52 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 23:40:21,205 INFO L168 Benchmark]: RCFGBuilder took 295.53 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:40:21,206 INFO L168 Benchmark]: BuchiAutomizer took 7155.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:40:21,206 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:40:21,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 589.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.52 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 295.53 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7155.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function n2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [1, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 32 SDslu, 22 SDs, 0 SdLazy, 16 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital236 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp39 div100 bol100 ite100 ukn100 eq202 hnf89 smp100 dnf228 smp93 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 346ms VariablesStem: 17 VariablesLoop: 11 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...