./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strcat.i -s /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 169307d87ddc37871e07877236048b02359797e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:50:53,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:50:53,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:50:53,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:50:53,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:50:53,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:50:53,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:50:53,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:50:53,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:50:53,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:50:53,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:50:53,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:50:53,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:50:53,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:50:53,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:50:53,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:50:53,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:50:53,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:50:53,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:50:53,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:50:53,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:50:53,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:50:53,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:50:53,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:50:53,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:50:53,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:50:53,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:50:53,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:50:53,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:50:53,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:50:53,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:50:53,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:50:53,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:50:53,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:50:53,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:50:53,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:50:53,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:50:53,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:50:53,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:50:53,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:50:53,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:50:53,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:50:53,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:50:53,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:50:53,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:50:53,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:50:53,104 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:50:53,104 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:50:53,104 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:50:53,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:50:53,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:50:53,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:50:53,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:50:53,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:50:53,107 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:50:53,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:50:53,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:50:53,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:50:53,107 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:50:53,108 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:50:53,108 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_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 169307d87ddc37871e07877236048b02359797e9 [2019-12-07 18:50:53,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:50:53,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:50:53,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:50:53,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:50:53,223 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:50:53,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/strcat.i [2019-12-07 18:50:53,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/data/d87cfbbf0/c30924aa6a4b48158cd085daa343fb99/FLAG1375f9017 [2019-12-07 18:50:53,691 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:50:53,691 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/sv-benchmarks/c/termination-libowfat/strcat.i [2019-12-07 18:50:53,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/data/d87cfbbf0/c30924aa6a4b48158cd085daa343fb99/FLAG1375f9017 [2019-12-07 18:50:54,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/data/d87cfbbf0/c30924aa6a4b48158cd085daa343fb99 [2019-12-07 18:50:54,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:50:54,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:50:54,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:54,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:50:54,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:50:54,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b9cd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54, skipping insertion in model container [2019-12-07 18:50:54,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:50:54,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:50:54,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:54,310 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:50:54,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:50:54,367 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:50:54,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54 WrapperNode [2019-12-07 18:50:54,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:50:54,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:54,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:50:54,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:50:54,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:50:54,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:50:54,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:50:54,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:50:54,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... [2019-12-07 18:50:54,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:50:54,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:50:54,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:50:54,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:50:54,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:50:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:50:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:50:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:50:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:50:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:50:54,643 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:50:54,643 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 18:50:54,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:50:54 BoogieIcfgContainer [2019-12-07 18:50:54,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:50:54,644 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:50:54,644 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:50:54,647 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:50:54,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:50:54,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:50:54" (1/3) ... [2019-12-07 18:50:54,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e1ed694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:50:54, skipping insertion in model container [2019-12-07 18:50:54,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:50:54,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:50:54" (2/3) ... [2019-12-07 18:50:54,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e1ed694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:50:54, skipping insertion in model container [2019-12-07 18:50:54,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:50:54,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:50:54" (3/3) ... [2019-12-07 18:50:54,649 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcat.i [2019-12-07 18:50:54,677 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:50:54,678 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:50:54,678 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:50:54,678 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:50:54,678 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:50:54,678 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:50:54,678 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:50:54,678 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:50:54,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-12-07 18:50:54,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 18:50:54,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:50:54,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:50:54,706 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:50:54,706 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:50:54,706 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:50:54,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-12-07 18:50:54,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 18:50:54,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:50:54,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:50:54,708 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:50:54,708 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:50:54,713 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 4#L526true assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 15#L530true assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 11#L532true assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 18#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 3#L509-4true [2019-12-07 18:50:54,714 INFO L796 eck$LassoCheckResult]: Loop: 3#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 19#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 23#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 3#L509-4true [2019-12-07 18:50:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:54,718 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-12-07 18:50:54,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:54,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479836392] [2019-12-07 18:50:54,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,832 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:54,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:54,833 INFO L82 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2019-12-07 18:50:54,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:54,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970849762] [2019-12-07 18:50:54,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:54,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:54,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2019-12-07 18:50:54,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:54,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764580090] [2019-12-07 18:50:54,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:54,892 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:55,231 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 105 [2019-12-07 18:50:55,344 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:50:55,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:50:55,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:50:55,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:50:55,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:50:55,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:55,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:50:55,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:50:55,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat.i_Iteration1_Lasso [2019-12-07 18:50:55,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:50:55,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:50:55,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,635 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-12-07 18:50:55,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:55,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:56,020 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:50:56,023 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:50:56,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:50:56,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,313 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:50:56,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,313 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:50:56,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:50:56,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:50:56,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:50:56,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:50:56,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:50:56,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:50:56,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:50:56,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:50:56,346 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:50:56,377 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 18:50:56,378 INFO L444 ModelExtractionUtils]: 44 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_17b47d0b-cafa-4600-938f-6ee3e0fec71e/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:56,384 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:50:56,387 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:50:56,387 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:50:56,388 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc19.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc19.base)_1 Supporting invariants [] [2019-12-07 18:50:56,415 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 18:50:56,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:50:56,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:50:56,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:50:56,465 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:50:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:50:56,496 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:50:56,496 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:50:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:50:56,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-12-07 18:50:56,521 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 5 states. [2019-12-07 18:50:56,606 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 5 states. Result 57 states and 84 transitions. Complement of second has 8 states. [2019-12-07 18:50:56,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:50:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 18:50:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2019-12-07 18:50:56,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 18:50:56,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:50:56,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 9 letters. Loop has 3 letters. [2019-12-07 18:50:56,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:50:56,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 6 letters. Loop has 6 letters. [2019-12-07 18:50:56,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:50:56,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 84 transitions. [2019-12-07 18:50:56,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 18:50:56,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 24 states and 27 transitions. [2019-12-07 18:50:56,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 18:50:56,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-12-07 18:50:56,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-12-07 18:50:56,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:50:56,620 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-12-07 18:50:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-12-07 18:50:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2019-12-07 18:50:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:50:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-12-07 18:50:56,639 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 18:50:56,639 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 18:50:56,639 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:50:56,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2019-12-07 18:50:56,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:50:56,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:50:56,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:50:56,640 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:50:56,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:50:56,640 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 181#L526 assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 182#L530 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 188#L532 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 189#L508 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 184#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 185#L516-2 [2019-12-07 18:50:56,641 INFO L796 eck$LassoCheckResult]: Loop: 185#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 186#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset;call strcat_#t~mem9 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem9, strcat_~s.base, strcat_~s.offset, 1); 194#L518 assume !(0 == strcat_#t~mem9);havoc strcat_#t~mem9;strcat_#t~pre10.base, strcat_#t~pre10.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre10.base, strcat_#t~pre10.offset;strcat_#t~pre11.base, strcat_#t~pre11.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre11.base, strcat_#t~pre11.offset;call strcat_#t~mem12 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem12, strcat_~s.base, strcat_~s.offset, 1); 192#L519 assume !(0 == strcat_#t~mem12);havoc strcat_#t~mem12;strcat_#t~pre13.base, strcat_#t~pre13.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre13.base, strcat_#t~pre13.offset;strcat_#t~pre14.base, strcat_#t~pre14.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre14.base, strcat_#t~pre14.offset;call strcat_#t~mem15 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem15, strcat_~s.base, strcat_~s.offset, 1); 191#L520 assume !(0 == strcat_#t~mem15);havoc strcat_#t~mem15;strcat_#t~pre16.base, strcat_#t~pre16.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre16.base, strcat_#t~pre16.offset;strcat_#t~pre17.base, strcat_#t~pre17.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre17.base, strcat_#t~pre17.offset; 185#L516-2 [2019-12-07 18:50:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2019-12-07 18:50:56,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:56,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999106468] [2019-12-07 18:50:56,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:50:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:50:56,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999106468] [2019-12-07 18:50:56,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:50:56,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:50:56,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549865990] [2019-12-07 18:50:56,682 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:50:56,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:56,682 INFO L82 PathProgramCache]: Analyzing trace with hash 73640536, now seen corresponding path program 1 times [2019-12-07 18:50:56,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:56,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652670790] [2019-12-07 18:50:56,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:56,720 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:57,076 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 104 [2019-12-07 18:50:57,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:50:57,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:50:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:50:57,146 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-12-07 18:50:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:50:57,165 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-12-07 18:50:57,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:50:57,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-12-07 18:50:57,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:50:57,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 20 transitions. [2019-12-07 18:50:57,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 18:50:57,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 18:50:57,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2019-12-07 18:50:57,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:50:57,167 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-12-07 18:50:57,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2019-12-07 18:50:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 18:50:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:50:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-12-07 18:50:57,169 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-12-07 18:50:57,169 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-12-07 18:50:57,169 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:50:57,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2019-12-07 18:50:57,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:50:57,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:50:57,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:50:57,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:50:57,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:50:57,171 INFO L794 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 232#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 226#L526 assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 227#L530 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 233#L532 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 234#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 222#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 224#L509-1 assume !(0 != strlen_#t~mem4);havoc strlen_#t~mem4; 228#L509-5 strlen_#res := strlen_~i~0; 229#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 230#L516-2 [2019-12-07 18:50:57,171 INFO L796 eck$LassoCheckResult]: Loop: 230#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 231#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset;call strcat_#t~mem9 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem9, strcat_~s.base, strcat_~s.offset, 1); 239#L518 assume !(0 == strcat_#t~mem9);havoc strcat_#t~mem9;strcat_#t~pre10.base, strcat_#t~pre10.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre10.base, strcat_#t~pre10.offset;strcat_#t~pre11.base, strcat_#t~pre11.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre11.base, strcat_#t~pre11.offset;call strcat_#t~mem12 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem12, strcat_~s.base, strcat_~s.offset, 1); 237#L519 assume !(0 == strcat_#t~mem12);havoc strcat_#t~mem12;strcat_#t~pre13.base, strcat_#t~pre13.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre13.base, strcat_#t~pre13.offset;strcat_#t~pre14.base, strcat_#t~pre14.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre14.base, strcat_#t~pre14.offset;call strcat_#t~mem15 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem15, strcat_~s.base, strcat_~s.offset, 1); 236#L520 assume !(0 == strcat_#t~mem15);havoc strcat_#t~mem15;strcat_#t~pre16.base, strcat_#t~pre16.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre16.base, strcat_#t~pre16.offset;strcat_#t~pre17.base, strcat_#t~pre17.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre17.base, strcat_#t~pre17.offset; 230#L516-2 [2019-12-07 18:50:57,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:57,171 INFO L82 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2019-12-07 18:50:57,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:57,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946398935] [2019-12-07 18:50:57,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,206 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:57,207 INFO L82 PathProgramCache]: Analyzing trace with hash 73640536, now seen corresponding path program 2 times [2019-12-07 18:50:57,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:57,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29575504] [2019-12-07 18:50:57,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:57,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:50:57,247 INFO L82 PathProgramCache]: Analyzing trace with hash 648918087, now seen corresponding path program 1 times [2019-12-07 18:50:57,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:50:57,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387620053] [2019-12-07 18:50:57,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:50:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:50:57,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:50:57,740 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 104 [2019-12-07 18:50:58,112 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 119 [2019-12-07 18:50:58,226 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-07 18:50:58,229 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:50:58,229 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:50:58,229 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:50:58,229 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:50:58,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:50:58,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:50:58,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:50:58,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:50:58,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat.i_Iteration3_Lasso [2019-12-07 18:50:58,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:50:58,229 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:50:58,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:50:58,785 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-12-07 18:50:58,804 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 18:50:58,807 INFO L168 Benchmark]: Toolchain (without parser) took 4758.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 271.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,807 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:50:58,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.18 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,808 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,808 INFO L168 Benchmark]: RCFGBuilder took 223.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,809 INFO L168 Benchmark]: BuchiAutomizer took 4161.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -15.7 MB). Peak memory consumption was 282.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:50:58,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.18 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4161.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -15.7 MB). Peak memory consumption was 282.9 MB. 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.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...