./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5731971c09a136eb079f9cbecfc34cb6e82f7a1b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:11:22,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:11:22,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:11:22,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:11:22,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:11:22,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:11:22,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:11:23,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:11:23,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:11:23,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:11:23,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:11:23,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:11:23,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:11:23,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:11:23,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:11:23,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:11:23,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:11:23,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:11:23,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:11:23,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:11:23,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:11:23,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:11:23,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:11:23,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:11:23,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:11:23,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:11:23,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:11:23,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:11:23,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:11:23,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:11:23,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:11:23,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:11:23,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:11:23,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:11:23,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:11:23,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:11:23,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:11:23,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:11:23,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:11:23,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:11:23,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:11:23,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 07:11:23,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:11:23,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:11:23,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:11:23,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:11:23,088 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:11:23,088 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 07:11:23,089 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 07:11:23,089 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 07:11:23,089 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 07:11:23,089 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 07:11:23,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 07:11:23,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:11:23,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:11:23,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 07:11:23,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:11:23,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:11:23,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:11:23,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 07:11:23,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 07:11:23,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 07:11:23,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:11:23,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:11:23,093 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 07:11:23,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:11:23,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 07:11:23,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:11:23,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:11:23,094 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 07:11:23,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:11:23,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:11:23,095 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 07:11:23,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 07:11:23,096 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_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2019-11-20 07:11:23,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:11:23,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:11:23,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:11:23,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:11:23,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:11:23,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-20 07:11:23,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/data/af024a479/cbb6aadcb60942218ea5e3322fcd1b27/FLAG32c335b13 [2019-11-20 07:11:23,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:11:23,718 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-20 07:11:23,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/data/af024a479/cbb6aadcb60942218ea5e3322fcd1b27/FLAG32c335b13 [2019-11-20 07:11:24,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/data/af024a479/cbb6aadcb60942218ea5e3322fcd1b27 [2019-11-20 07:11:24,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:11:24,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:11:24,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:11:24,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:11:24,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:11:24,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7544295f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24, skipping insertion in model container [2019-11-20 07:11:24,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,108 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:11:24,141 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:11:24,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:11:24,596 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:11:24,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:11:24,706 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:11:24,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24 WrapperNode [2019-11-20 07:11:24,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:11:24,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:11:24,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:11:24,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:11:24,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:11:24,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:11:24,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:11:24,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:11:24,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... [2019-11-20 07:11:24,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:11:24,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:11:24,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:11:24,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:11:24,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 07:11:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:11:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:11:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:11:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:11:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:11:25,111 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:11:25,111 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 07:11:25,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:25 BoogieIcfgContainer [2019-11-20 07:11:25,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:11:25,113 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 07:11:25,113 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 07:11:25,115 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 07:11:25,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:11:25,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:11:24" (1/3) ... [2019-11-20 07:11:25,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f08789f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:11:25, skipping insertion in model container [2019-11-20 07:11:25,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:11:25,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:24" (2/3) ... [2019-11-20 07:11:25,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f08789f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:11:25, skipping insertion in model container [2019-11-20 07:11:25,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:11:25,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:25" (3/3) ... [2019-11-20 07:11:25,132 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2019-11-20 07:11:25,171 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 07:11:25,172 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 07:11:25,172 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 07:11:25,172 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:11:25,172 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:11:25,172 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 07:11:25,172 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:11:25,173 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 07:11:25,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 07:11:25,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 07:11:25,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:11:25,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:11:25,206 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 07:11:25,206 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:11:25,207 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 07:11:25,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 07:11:25,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 07:11:25,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:11:25,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:11:25,208 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 07:11:25,209 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:11:25,215 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L523true assume !(main_~length1~0 < 1); 11#L523-2true assume !(main_~length2~0 < 1); 4#L526-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 13#L534-3true [2019-11-20 07:11:25,216 INFO L796 eck$LassoCheckResult]: Loop: 13#L534-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 10#L534-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 13#L534-3true [2019-11-20 07:11:25,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:25,220 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-20 07:11:25,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:25,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397505252] [2019-11-20 07:11:25,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,346 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:25,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:25,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-20 07:11:25,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:25,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924619912] [2019-11-20 07:11:25,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,367 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:25,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:25,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2019-11-20 07:11:25,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:25,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976572508] [2019-11-20 07:11:25,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:25,414 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:25,727 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-20 07:11:25,829 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:11:25,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:11:25,831 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:11:25,831 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:11:25,831 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:11:25,831 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:25,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:11:25,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:11:25,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2019-11-20 07:11:25,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:11:25,833 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:11:25,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:25,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:26,055 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-20 07:11:26,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:26,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:26,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:26,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:26,481 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:11:26,484 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:26,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:26,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:26,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:26,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:26,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:26,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:26,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:26,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:26,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:26,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:26,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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) [2019-11-20 07:11:26,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:26,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:26,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:26,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:26,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:26,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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) [2019-11-20 07:11:26,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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) [2019-11-20 07:11:26,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:26,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:26,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:26,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:26,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:26,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:26,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:26,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:26,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:11:27,012 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-20 07:11:27,012 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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) [2019-11-20 07:11:27,023 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:27,030 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 07:11:27,030 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:11:27,031 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-20 07:11:27,052 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 07:11:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:11:27,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:11:27,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:11:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:11:27,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:11:27,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:11:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:11:27,164 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:11:27,165 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-20 07:11:27,218 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 7 states. [2019-11-20 07:11:27,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 07:11:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:11:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2019-11-20 07:11:27,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 07:11:27,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:27,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 07:11:27,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:27,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 07:11:27,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:27,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2019-11-20 07:11:27,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:11:27,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 12 states and 16 transitions. [2019-11-20 07:11:27,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 07:11:27,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 07:11:27,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-20 07:11:27,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:11:27,252 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 07:11:27,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-20 07:11:27,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-20 07:11:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 07:11:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-11-20 07:11:27,279 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 07:11:27,279 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 07:11:27,279 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 07:11:27,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-11-20 07:11:27,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:11:27,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:11:27,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:11:27,282 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:11:27,282 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 07:11:27,283 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 131#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 132#L523 assume !(main_~length1~0 < 1); 133#L523-2 assume !(main_~length2~0 < 1); 134#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 135#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 136#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 138#L517-4 [2019-11-20 07:11:27,283 INFO L796 eck$LassoCheckResult]: Loop: 138#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 129#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 130#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 138#L517-4 [2019-11-20 07:11:27,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2019-11-20 07:11:27,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322801009] [2019-11-20 07:11:27,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:27,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,348 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2019-11-20 07:11:27,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141440772] [2019-11-20 07:11:27,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:27,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2019-11-20 07:11:27,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767744571] [2019-11-20 07:11:27,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:11:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:11:27,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767744571] [2019-11-20 07:11:27,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:11:27,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 07:11:27,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297285443] [2019-11-20 07:11:27,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:11:27,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:11:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:11:27,630 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-20 07:11:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:11:27,757 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-11-20 07:11:27,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:11:27,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2019-11-20 07:11:27,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:11:27,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2019-11-20 07:11:27,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 07:11:27,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 07:11:27,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-20 07:11:27,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:11:27,761 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 07:11:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-20 07:11:27,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-20 07:11:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 07:11:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 07:11:27,766 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 07:11:27,766 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 07:11:27,766 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 07:11:27,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-20 07:11:27,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 07:11:27,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:11:27,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:11:27,768 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:11:27,769 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 07:11:27,769 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 177#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 178#L523 assume !(main_~length1~0 < 1); 179#L523-2 assume !(main_~length2~0 < 1); 180#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 181#L534-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 173#L534-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 174#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 182#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 184#L517-4 [2019-11-20 07:11:27,769 INFO L796 eck$LassoCheckResult]: Loop: 184#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 175#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 176#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 184#L517-4 [2019-11-20 07:11:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2019-11-20 07:11:27,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761517367] [2019-11-20 07:11:27,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,831 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2019-11-20 07:11:27,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430969715] [2019-11-20 07:11:27,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:27,844 INFO L82 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2019-11-20 07:11:27,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:11:27,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614939467] [2019-11-20 07:11:27,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:11:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:11:27,883 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:11:28,363 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2019-11-20 07:11:28,514 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-11-20 07:11:28,517 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:11:28,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:11:28,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:11:28,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:11:28,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:11:28,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:28,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:11:28,518 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:11:28,518 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2019-11-20 07:11:28,518 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:11:28,519 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:11:28,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:28,855 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-11-20 07:11:29,011 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-11-20 07:11:29,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:29,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:29,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:29,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:11:29,330 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 07:11:29,654 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:11:29,655 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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) [2019-11-20 07:11:29,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,831 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:11:29,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:29,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:11:29,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,920 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 07:11:29,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,921 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 07:11:29,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:11:29,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/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 [2019-11-20 07:11:29,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:29,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:29,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:11:29,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:29,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:11:29,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:11:29,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:11:29,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:11:29,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:11:30,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:11:30,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:30,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:11:30,071 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 07:11:30,071 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad294593-d9f1-4968-939d-3bdd9b2f2624/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:11:30,077 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:11:30,079 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 07:11:30,080 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:11:30,080 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2) = -1*ULTIMATE.start_cstrcpy_~to.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 Supporting invariants [] [2019-11-20 07:11:30,111 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 07:11:30,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 07:11:30,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:11:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:11:30,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 07:11:30,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:11:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:11:30,195 WARN L253 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 07:11:30,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:11:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:11:30,212 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 07:11:30,212 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-20 07:11:30,265 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 5 states. [2019-11-20 07:11:30,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 07:11:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 07:11:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-20 07:11:30,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-20 07:11:30,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:30,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-20 07:11:30,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:30,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-20 07:11:30,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:11:30,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-20 07:11:30,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:11:30,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-20 07:11:30,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 07:11:30,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 07:11:30,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 07:11:30,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:11:30,268 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:11:30,269 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:11:30,269 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:11:30,269 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 07:11:30,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:11:30,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:11:30,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 07:11:30,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:11:30 BoogieIcfgContainer [2019-11-20 07:11:30,276 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 07:11:30,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:11:30,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:11:30,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:11:30,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:25" (3/4) ... [2019-11-20 07:11:30,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:11:30,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:11:30,282 INFO L168 Benchmark]: Toolchain (without parser) took 6189.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 944.7 MB in the beginning and 979.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:11:30,283 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:11:30,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:11:30,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.02 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. [2019-11-20 07:11:30,284 INFO L168 Benchmark]: Boogie Preprocessor took 25.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:11:30,285 INFO L168 Benchmark]: RCFGBuilder took 341.04 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:11:30,285 INFO L168 Benchmark]: BuchiAutomizer took 5163.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 979.3 MB in the end (delta: 133.6 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:11:30,286 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 1.2 GB. Free memory is still 979.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:11:30,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.02 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. * Boogie Preprocessor took 25.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.04 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5163.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 979.3 MB in the end (delta: 133.6 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.52 ms. Allocated memory is still 1.2 GB. Free memory is still 979.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function -1 * to + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 50 SDslu, 45 SDs, 0 SdLazy, 49 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital167 mio100 ax111 hnf98 lsp84 ukn80 mio100 lsp55 div100 bol100 ite100 ukn100 eq181 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...