./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83897956e392064e8b9522b11a8bf4c25fb2a6e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:05:40,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:05:40,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:05:40,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:05:40,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:05:40,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:05:40,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:05:40,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:05:40,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:05:40,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:05:40,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:05:40,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:05:40,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:05:40,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:05:40,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:05:40,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:05:40,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:05:40,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:05:40,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:05:40,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:05:40,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:05:40,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:05:40,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:05:40,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:05:40,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:05:40,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:05:40,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:05:40,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:05:40,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:05:40,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:05:40,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:05:40,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:05:40,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:05:40,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:05:40,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:05:40,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:05:40,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:05:40,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:05:40,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:05:40,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:05:40,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:05:40,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:05:40,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:05:40,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:05:40,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:05:40,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:05:40,155 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:05:40,156 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:05:40,156 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:05:40,156 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:05:40,156 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:05:40,156 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:05:40,157 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:05:40,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:05:40,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:05:40,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:05:40,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:05:40,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:05:40,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:05:40,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:05:40,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:05:40,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:05:40,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:05:40,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:05:40,160 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:05:40,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:05:40,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:05:40,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:05:40,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:05:40,161 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:05:40,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:05:40,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:05:40,162 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:05:40,163 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:05:40,163 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_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83897956e392064e8b9522b11a8bf4c25fb2a6e3 [2019-11-20 01:05:40,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:05:40,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:05:40,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:05:40,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:05:40,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:05:40,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-20 01:05:40,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/data/5e248a564/623db7ca84c044f782eab9d167d627b3/FLAG9c86150bb [2019-11-20 01:05:40,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:05:40,867 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-20 01:05:40,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/data/5e248a564/623db7ca84c044f782eab9d167d627b3/FLAG9c86150bb [2019-11-20 01:05:41,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/data/5e248a564/623db7ca84c044f782eab9d167d627b3 [2019-11-20 01:05:41,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:05:41,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:05:41,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:05:41,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:05:41,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:05:41,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41, skipping insertion in model container [2019-11-20 01:05:41,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:05:41,280 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:05:41,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:05:41,683 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:05:41,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:05:41,797 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:05:41,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41 WrapperNode [2019-11-20 01:05:41,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:05:41,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:05:41,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:05:41,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:05:41,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:05:41,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:05:41,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:05:41,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:05:41,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... [2019-11-20 01:05:41,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:05:41,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:05:41,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:05:41,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:05:41,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:05:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:05:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:05:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:05:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:05:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:05:42,214 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:05:42,214 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 01:05:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:05:42 BoogieIcfgContainer [2019-11-20 01:05:42,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:05:42,216 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:05:42,216 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:05:42,221 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:05:42,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:05:42,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:05:41" (1/3) ... [2019-11-20 01:05:42,223 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfbd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:05:42, skipping insertion in model container [2019-11-20 01:05:42,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:05:42,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:05:41" (2/3) ... [2019-11-20 01:05:42,224 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfbd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:05:42, skipping insertion in model container [2019-11-20 01:05:42,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:05:42,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:05:42" (3/3) ... [2019-11-20 01:05:42,230 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2019-11-20 01:05:42,282 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:05:42,282 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:05:42,283 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:05:42,283 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:05:42,283 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:05:42,283 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:05:42,283 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:05:42,283 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:05:42,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 01:05:42,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 01:05:42,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:05:42,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:05:42,329 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 01:05:42,329 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 01:05:42,329 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:05:42,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 01:05:42,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 01:05:42,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:05:42,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:05:42,331 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 01:05:42,332 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 01:05:42,339 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L525true assume !(main_~length1~0 < 1); 6#L525-2true assume !(main_~length2~0 < 1); 17#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 9#L535-3true [2019-11-20 01:05:42,340 INFO L796 eck$LassoCheckResult]: Loop: 9#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 9#L535-3true [2019-11-20 01:05:42,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:42,345 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-20 01:05:42,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:42,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915643932] [2019-11-20 01:05:42,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,480 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-20 01:05:42,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:42,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281740239] [2019-11-20 01:05:42,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,502 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:42,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:42,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2019-11-20 01:05:42,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:42,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414882254] [2019-11-20 01:05:42,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:42,554 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:42,852 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-20 01:05:42,951 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:05:42,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:05:42,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:05:42,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:05:42,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:05:42,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:42,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:05:42,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:05:42,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2019-11-20 01:05:42,954 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:05:42,954 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:05:42,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:43,529 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:05:43,534 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:43,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:43,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:43,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:43,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:43,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:43,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:43,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:43,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:43,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:43,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:43,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:43,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:43,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:43,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:43,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:43,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:05:43,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:43,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:43,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:43,730 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 [2019-11-20 01:05:43,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:43,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:43,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:43,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:43,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:43,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:43,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:43,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:43,872 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:05:44,036 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-11-20 01:05:44,036 INFO L444 ModelExtractionUtils]: 14 out of 28 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:44,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:05:44,046 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 01:05:44,046 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:05:44,047 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-20 01:05:44,076 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 01:05:44,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:05:44,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:05:44,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:05:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:05:44,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:05:44,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:05:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:05:44,170 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 [2019-11-20 01:05:44,171 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-20 01:05:44,230 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2019-11-20 01:05:44,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 01:05:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 01:05:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-20 01:05:44,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 01:05:44,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:44,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 01:05:44,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:44,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 01:05:44,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:44,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-20 01:05:44,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 01:05:44,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2019-11-20 01:05:44,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 01:05:44,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 01:05:44,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-11-20 01:05:44,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:05:44,260 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-20 01:05:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-11-20 01:05:44,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-20 01:05:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 01:05:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-20 01:05:44,287 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-20 01:05:44,287 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-20 01:05:44,287 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:05:44,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-20 01:05:44,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 01:05:44,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:05:44,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:05:44,290 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:05:44,290 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 01:05:44,290 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 128#L525 assume !(main_~length1~0 < 1); 132#L525-2 assume !(main_~length2~0 < 1); 133#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 123#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 124#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 129#L518-3 [2019-11-20 01:05:44,291 INFO L796 eck$LassoCheckResult]: Loop: 129#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 130#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 129#L518-3 [2019-11-20 01:05:44,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2019-11-20 01:05:44,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195969338] [2019-11-20 01:05:44,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,371 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2019-11-20 01:05:44,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041111841] [2019-11-20 01:05:44,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2019-11-20 01:05:44,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661214378] [2019-11-20 01:05:44,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:05:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:05:44,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661214378] [2019-11-20 01:05:44,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:05:44,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 01:05:44,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297285443] [2019-11-20 01:05:44,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:05:44,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 01:05:44,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:05:44,713 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-20 01:05:44,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:05:44,818 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-20 01:05:44,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:05:44,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-20 01:05:44,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 01:05:44,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 01:05:44,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 01:05:44,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 01:05:44,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-20 01:05:44,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:05:44,822 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 01:05:44,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-20 01:05:44,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-20 01:05:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 01:05:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-20 01:05:44,823 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 01:05:44,823 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 01:05:44,824 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:05:44,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-20 01:05:44,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 01:05:44,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:05:44,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:05:44,826 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:05:44,826 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 01:05:44,826 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 167#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 168#L525 assume !(main_~length1~0 < 1); 176#L525-2 assume !(main_~length2~0 < 1); 177#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 169#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 170#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 171#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 172#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 174#L518-3 [2019-11-20 01:05:44,826 INFO L796 eck$LassoCheckResult]: Loop: 174#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 175#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 174#L518-3 [2019-11-20 01:05:44,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2019-11-20 01:05:44,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761517367] [2019-11-20 01:05:44,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,855 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:44,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2019-11-20 01:05:44,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430969715] [2019-11-20 01:05:44,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,867 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:44,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:44,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2019-11-20 01:05:44,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:05:44,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614939467] [2019-11-20 01:05:44,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:05:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:05:44,901 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:05:45,432 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-11-20 01:05:45,570 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-20 01:05:45,572 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:05:45,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:05:45,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:05:45,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:05:45,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:05:45,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:45,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:05:45,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:05:45,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2019-11-20 01:05:45,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:05:45,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:05:45,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:45,895 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-11-20 01:05:46,034 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-20 01:05:46,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:46,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:46,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:46,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:05:46,264 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-11-20 01:05:46,662 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:05:46,663 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:46,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:05:46,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:46,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:05:46,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:46,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:05:46,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:46,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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 [2019-11-20 01:05:46,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:05:46,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:46,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:05:46,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:46,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:46,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,863 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 [2019-11-20 01:05:46,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:46,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,889 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 [2019-11-20 01:05:46,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/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) [2019-11-20 01:05:46,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:05:46,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:05:46,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:46,909 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 [2019-11-20 01:05:46,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:46,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:46,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:05:46,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:05:46,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:05:46,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:05:46,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:05:46,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:05:46,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:46,986 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:05:47,046 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 01:05:47,046 INFO L444 ModelExtractionUtils]: 42 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a22b1d42-c9f8-4b08-bc72-05f5939ac6de/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:05:47,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:05:47,053 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 01:05:47,054 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:05:47,054 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2) = -2*ULTIMATE.start_cstrcpy_~dst~0.offset + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 Supporting invariants [3*ULTIMATE.start_cstrcpy_~src~0.offset - 2*ULTIMATE.start_cstrcpy_~dst~0.offset >= 0] [2019-11-20 01:05:47,097 INFO L297 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2019-11-20 01:05:47,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 01:05:47,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:05:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:05:47,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 01:05:47,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:05:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:05:47,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 01:05:47,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:05:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:05:47,243 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 [2019-11-20 01:05:47,243 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-20 01:05:47,297 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-20 01:05:47,297 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 [2019-11-20 01:05:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:05:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-20 01:05:47,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 01:05:47,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:47,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 01:05:47,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:47,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-20 01:05:47,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:05:47,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-20 01:05:47,300 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:05:47,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-20 01:05:47,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:05:47,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:05:47,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:05:47,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:05:47,301 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:05:47,301 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:05:47,301 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:05:47,301 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 01:05:47,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:05:47,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:05:47,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:05:47,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:05:47 BoogieIcfgContainer [2019-11-20 01:05:47,307 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:05:47,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:05:47,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:05:47,308 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:05:47,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:05:42" (3/4) ... [2019-11-20 01:05:47,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:05:47,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:05:47,314 INFO L168 Benchmark]: Toolchain (without parser) took 6096.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 939.3 MB in the beginning and 773.3 MB in the end (delta: 166.0 MB). Peak memory consumption was 376.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:05:47,315 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-20 01:05:47,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:05:47,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:05:47,320 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:05:47,321 INFO L168 Benchmark]: RCFGBuilder took 336.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:05:47,322 INFO L168 Benchmark]: BuchiAutomizer took 5091.45 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.1 GB in the beginning and 773.3 MB in the end (delta: 284.8 MB). Peak memory consumption was 388.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:05:47,322 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 1.2 GB. Free memory is still 773.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:05:47,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 581.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5091.45 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.1 GB in the beginning and 773.3 MB in the end (delta: 284.8 MB). Peak memory consumption was 388.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.56 ms. Allocated memory is still 1.2 GB. Free memory is still 773.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function -2 * dst + 3 * unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 42 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf98 lsp84 ukn81 mio100 lsp55 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...