./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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 bee04d628cc50c5f036e0a10e9bd347013a62a54 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:14,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:14,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:14,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:14,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:14,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:14,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:14,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:14,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:14,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:14,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:14,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:14,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:14,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:14,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:14,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:14,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:14,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:14,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:14,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:14,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:14,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:14,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:14,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:14,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:14,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:14,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:14,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:14,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:14,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:14,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:14,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:14,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:14,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:14,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:14,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:14,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:14,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:14,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:14,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:14,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:14,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:49:14,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:14,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:14,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:14,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:14,123 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:14,124 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:14,124 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:14,124 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:14,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:14,125 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:14,125 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:14,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:14,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:14,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:14,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:14,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:14,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:14,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:14,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:14,128 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:14,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:14,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:14,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:14,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:14,129 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:14,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:14,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:14,130 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:14,131 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:14,131 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_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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 -> bee04d628cc50c5f036e0a10e9bd347013a62a54 [2019-11-25 08:49:14,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:14,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:14,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:14,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:14,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:14,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2019-11-25 08:49:14,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/data/093c60ac5/507c5e6e6410412f88b598d430020457/FLAG71f448774 [2019-11-25 08:49:14,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:14,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2019-11-25 08:49:14,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/data/093c60ac5/507c5e6e6410412f88b598d430020457/FLAG71f448774 [2019-11-25 08:49:15,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/data/093c60ac5/507c5e6e6410412f88b598d430020457 [2019-11-25 08:49:15,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:15,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:15,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:15,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:15,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:15,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d3d339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15, skipping insertion in model container [2019-11-25 08:49:15,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:15,393 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:15,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:15,729 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:15,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:15,830 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:15,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15 WrapperNode [2019-11-25 08:49:15,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:15,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:15,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:15,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:15,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:15,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:15,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:15,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:15,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... [2019-11-25 08:49:15,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:15,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:15,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:15,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:15,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:16,276 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:16,276 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:49:16,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:16 BoogieIcfgContainer [2019-11-25 08:49:16,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:16,278 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:16,278 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:16,281 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:16,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:16,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:15" (1/3) ... [2019-11-25 08:49:16,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aee09f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:16, skipping insertion in model container [2019-11-25 08:49:16,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:16,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:15" (2/3) ... [2019-11-25 08:49:16,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aee09f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:16, skipping insertion in model container [2019-11-25 08:49:16,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:16,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:16" (3/3) ... [2019-11-25 08:49:16,286 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcspn_mixed_alloca.i [2019-11-25 08:49:16,323 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:16,323 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:16,323 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:16,323 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:16,323 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:16,324 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:16,324 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:16,324 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:16,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:49:16,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:49:16,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:16,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:16,368 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:16,368 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:16,368 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:16,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:49:16,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:49:16,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:16,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:16,371 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:16,371 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:16,377 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~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 12#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 9#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 6#L369-4true [2019-11-25 08:49:16,378 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 18#L369-1true assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 8#L374true assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 5#L369-3true cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, 1 + cstrcspn_#t~post205.offset;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 6#L369-4true [2019-11-25 08:49:16,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:16,382 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-25 08:49:16,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:16,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046371147] [2019-11-25 08:49:16,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,543 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:16,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:16,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-25 08:49:16,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:16,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934387870] [2019-11-25 08:49:16,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:16,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934387870] [2019-11-25 08:49:16,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:16,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:49:16,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915192296] [2019-11-25 08:49:16,579 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:49:16,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:16,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:49:16,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:49:16,592 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:49:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:16,597 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-25 08:49:16,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:49:16,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-25 08:49:16,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:49:16,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-25 08:49:16,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:49:16,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:49:16,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-25 08:49:16,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:16,605 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:49:16,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-25 08:49:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-25 08:49:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-25 08:49:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-25 08:49:16,630 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:49:16,630 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:49:16,630 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:16,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-25 08:49:16,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:49:16,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:16,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:16,632 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:16,632 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:16,632 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 51#L382 assume !(main_~length1~0 < 1); 52#L382-2 assume !(main_~length2~0 < 1); 49#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 47#L369-4 [2019-11-25 08:49:16,633 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 48#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 56#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 53#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 54#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209; 44#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 45#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 46#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, 1 + cstrcspn_#t~post205.offset;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 47#L369-4 [2019-11-25 08:49:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:16,633 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-25 08:49:16,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:16,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274972871] [2019-11-25 08:49:16,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,673 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:16,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-25 08:49:16,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:16,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307116457] [2019-11-25 08:49:16,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:16,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:16,702 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-25 08:49:16,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:16,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573741508] [2019-11-25 08:49:16,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:16,777 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:17,032 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-25 08:49:17,353 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-11-25 08:49:17,728 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2019-11-25 08:49:17,873 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-25 08:49:17,885 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:17,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:17,889 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:17,889 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:17,889 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:17,890 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:17,890 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:17,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:17,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration2_Lasso [2019-11-25 08:49:17,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:17,891 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:17,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:17,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:18,333 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-25 08:49:18,527 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-25 08:49:18,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:18,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:19,208 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-11-25 08:49:19,305 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:19,309 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:19,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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) [2019-11-25 08:49:19,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:19,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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) [2019-11-25 08:49:19,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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) [2019-11-25 08:49:19,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/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) [2019-11-25 08:49:19,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:19,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,681 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2019-11-25 08:49:19,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,688 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:49:19,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:19,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:19,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:19,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:19,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:19,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:19,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:19,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:19,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:19,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:19,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:19,948 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:49:19,948 INFO L444 ModelExtractionUtils]: 17 out of 43 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:19,968 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:19,972 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:19,973 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:19,973 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~sc1~0.base)_1, ULTIMATE.start_cstrcspn_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~sc1~0.base)_1 - 1*ULTIMATE.start_cstrcspn_~sc1~0.offset Supporting invariants [] [2019-11-25 08:49:20,035 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2019-11-25 08:49:20,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:49:20,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:20,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:20,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:20,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:49:20,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:20,185 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:20,185 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:49:20,244 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-25 08:49:20,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-25 08:49:20,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-25 08:49:20,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:20,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-25 08:49:20,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:20,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-25 08:49:20,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:20,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-25 08:49:20,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:20,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-25 08:49:20,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-25 08:49:20,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-25 08:49:20,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-25 08:49:20,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:20,251 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-25 08:49:20,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:49:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:49:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-25 08:49:20,253 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:20,253 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:49:20,253 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:49:20,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-25 08:49:20,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:20,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:20,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:20,255 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:20,255 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:20,255 INFO L794 eck$LassoCheckResult]: Stem: 180#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 177#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 178#L382 assume !(main_~length1~0 < 1); 179#L382-2 assume !(main_~length2~0 < 1); 176#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 173#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 175#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 185#L372-5 [2019-11-25 08:49:20,255 INFO L796 eck$LassoCheckResult]: Loop: 185#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 181#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 182#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 185#L372-5 [2019-11-25 08:49:20,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:20,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-25 08:49:20,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:20,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168860182] [2019-11-25 08:49:20,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:20,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:20,339 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-25 08:49:20,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:20,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092517196] [2019-11-25 08:49:20,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-25 08:49:20,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:20,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839588007] [2019-11-25 08:49:20,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:20,556 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-11-25 08:49:20,686 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-25 08:49:21,092 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-11-25 08:49:21,263 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-11-25 08:49:21,265 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:21,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:21,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:21,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:21,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:21,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:21,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:21,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:21,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration3_Lasso [2019-11-25 08:49:21,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:21,266 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:21,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,699 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-11-25 08:49:21,855 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-25 08:49:21,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:21,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:22,096 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-11-25 08:49:22,588 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-25 08:49:22,679 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:22,679 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:22,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:22,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:22,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:22,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:22,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:22,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:22,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:22,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:22,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:22,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:22,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:22,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:22,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:22,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:22,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:22,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:22,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:22,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:22,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:22,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:22,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:22,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:22,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:22,868 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:49:22,868 INFO L444 ModelExtractionUtils]: 30 out of 52 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:22,872 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:22,876 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:22,876 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:22,876 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 + 2*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2019-11-25 08:49:22,932 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:49:22,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:49:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:22,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 08:49:22,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:23,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 08:49:23,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:23,024 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:49:23,024 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-25 08:49:23,068 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 57 transitions. Complement of second has 6 states. [2019-11-25 08:49:23,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:49:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-25 08:49:23,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-25 08:49:23,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:23,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-25 08:49:23,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:23,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-25 08:49:23,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:23,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-25 08:49:23,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:23,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-25 08:49:23,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:49:23,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:49:23,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-25 08:49:23,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:23,076 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-25 08:49:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-25 08:49:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-25 08:49:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:49:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-25 08:49:23,079 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-25 08:49:23,079 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-25 08:49:23,079 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:49:23,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-25 08:49:23,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:23,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:23,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:23,081 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:23,081 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:23,081 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 362#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 363#L382 assume !(main_~length1~0 < 1); 364#L382-2 assume !(main_~length2~0 < 1); 361#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 357#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 358#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 371#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 367#L372-1 assume !cstrcspn_#t~short210; 368#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209; 353#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 354#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 355#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, 1 + cstrcspn_#t~post205.offset;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 356#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 360#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 370#L372-5 [2019-11-25 08:49:23,081 INFO L796 eck$LassoCheckResult]: Loop: 370#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 365#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 366#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 370#L372-5 [2019-11-25 08:49:23,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-25 08:49:23,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574123341] [2019-11-25 08:49:23,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-25 08:49:23,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314666417] [2019-11-25 08:49:23,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,121 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:23,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2019-11-25 08:49:23,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174159241] [2019-11-25 08:49:23,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:23,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174159241] [2019-11-25 08:49:23,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183986294] [2019-11-25 08:49:23,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:49:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:23,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-25 08:49:23,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:23,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:49:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:23,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:49:23,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2019-11-25 08:49:23,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762261814] [2019-11-25 08:49:23,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:23,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:49:23,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:49:23,473 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 9 states. [2019-11-25 08:49:23,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:23,628 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2019-11-25 08:49:23,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:49:23,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2019-11-25 08:49:23,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:23,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2019-11-25 08:49:23,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-25 08:49:23,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-11-25 08:49:23,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2019-11-25 08:49:23,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:23,633 INFO L688 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2019-11-25 08:49:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2019-11-25 08:49:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2019-11-25 08:49:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:49:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-25 08:49:23,637 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:49:23,637 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:49:23,638 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:49:23,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-25 08:49:23,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:23,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:23,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:23,640 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:23,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:23,640 INFO L794 eck$LassoCheckResult]: Stem: 521#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 514#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 515#L382 assume !(main_~length1~0 < 1); 516#L382-2 assume !(main_~length2~0 < 1); 513#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 509#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 510#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 529#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 519#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 520#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209; 505#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 506#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 507#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, 1 + cstrcspn_#t~post205.offset;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 508#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 512#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 522#L372-5 [2019-11-25 08:49:23,640 INFO L796 eck$LassoCheckResult]: Loop: 522#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 517#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 518#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~short210;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~mem209;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 522#L372-5 [2019-11-25 08:49:23,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,641 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-25 08:49:23,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939210766] [2019-11-25 08:49:23,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,679 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-25 08:49:23,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950946721] [2019-11-25 08:49:23,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,687 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:23,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-25 08:49:23,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518383002] [2019-11-25 08:49:23,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:23,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:24,556 WARN L192 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 140 [2019-11-25 08:49:25,674 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-11-25 08:49:25,676 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:25,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:25,676 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:25,676 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:25,676 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:25,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:25,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:25,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:25,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration5_Lasso [2019-11-25 08:49:25,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:25,677 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:25,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:25,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-25 08:49:26,557 WARN L192 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-11-25 08:49:26,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:26,917 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-11-25 08:49:27,075 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-11-25 08:49:27,728 WARN L192 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2019-11-25 08:49:27,879 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-25 08:49:27,970 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:27,970 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:27,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:27,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:27,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:27,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:27,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:27,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:27,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:27,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:27,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:27,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:27,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:27,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:27,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:27,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:27,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:27,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:27,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:27,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:27,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:27,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:27,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:27,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:27,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:27,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:27,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:27,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:27,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:27,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:27,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:27,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:27,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:27,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:28,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:28,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:28,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:28,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:28,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:28,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:28,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:28,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:28,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:28,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:28,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:28,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:28,092 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 [2019-11-25 08:49:28,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:28,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:28,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,150 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2019-11-25 08:49:28,150 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-11-25 08:49:28,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:28,268 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2019-11-25 08:49:28,268 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:49:28,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:28,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:28,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:28,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:28,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:28,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:28,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:28,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:28,618 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-25 08:49:28,618 INFO L444 ModelExtractionUtils]: 26 out of 55 variables were initially zero. Simplification set additionally 26 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ea0efcf-6169-4ab4-8c2d-0b952a2e9499/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:28,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:28,629 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:28,630 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:28,630 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0.offset) = 2*ULTIMATE.start_cstrcspn_~s~0.offset + 1 Supporting invariants [] [2019-11-25 08:49:28,792 INFO L297 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2019-11-25 08:49:28,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:28,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:28,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:28,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:28,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:28,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:28,868 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-25 08:49:28,896 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 46 states and 58 transitions. Complement of second has 5 states. [2019-11-25 08:49:28,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-25 08:49:28,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:49:28,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:28,898 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:49:28,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:28,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:28,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:28,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:28,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:28,974 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:28,975 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-25 08:49:28,994 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 46 states and 58 transitions. Complement of second has 5 states. [2019-11-25 08:49:28,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-25 08:49:28,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:49:28,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:28,997 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:49:29,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:29,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:29,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:29,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:29,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:29,074 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:29,074 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-25 08:49:29,100 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 45 states and 60 transitions. Complement of second has 4 states. [2019-11-25 08:49:29,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-11-25 08:49:29,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:49:29,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:29,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-25 08:49:29,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:29,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-25 08:49:29,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:29,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2019-11-25 08:49:29,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:29,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2019-11-25 08:49:29,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:49:29,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:49:29,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:49:29,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:29,110 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:29,110 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:29,110 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:29,110 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:49:29,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:29,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:29,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:29,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:29 BoogieIcfgContainer [2019-11-25 08:49:29,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:29,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:29,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:29,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:29,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:16" (3/4) ... [2019-11-25 08:49:29,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:29,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:29,126 INFO L168 Benchmark]: Toolchain (without parser) took 13772.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.0 MB). Free memory was 938.0 MB in the beginning and 826.0 MB in the end (delta: 112.0 MB). Peak memory consumption was 488.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:29,126 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:29,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:29,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:29,130 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:29,132 INFO L168 Benchmark]: RCFGBuilder took 375.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:29,133 INFO L168 Benchmark]: BuchiAutomizer took 12838.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 826.0 MB in the end (delta: 253.3 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:29,133 INFO L168 Benchmark]: Witness Printer took 6.18 ms. Allocated memory is still 1.4 GB. Free memory is still 826.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:29,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 478.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 375.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12838.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 826.0 MB in the end (delta: 253.3 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.18 ms. Allocated memory is still 1.4 GB. Free memory is still 826.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[sc1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 111 SDslu, 85 SDs, 0 SdLazy, 129 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital383 mio100 ax100 hnf99 lsp91 ukn75 mio100 lsp39 div114 bol100 ite100 ukn100 eq177 hnf83 smp92 dnf826 smp24 tf100 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 372ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...