./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strtol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strtol.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d3a15f933181b44751784c7ab9846d6b1216531 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:35:04,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:35:04,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:35:04,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:35:04,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:35:04,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:35:04,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:35:04,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:35:04,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:35:04,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:35:04,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:35:04,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:35:04,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:35:04,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:35:04,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:35:04,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:35:04,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:35:04,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:35:04,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:35:04,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:35:04,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:35:04,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:35:04,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:35:04,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:35:04,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:35:04,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:35:04,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:35:04,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:35:04,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:35:04,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:35:04,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:35:04,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:35:04,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:35:04,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:35:04,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:35:04,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:35:04,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:35:04,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:35:04,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:35:04,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:35:04,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:35:04,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 11:35:04,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:35:04,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:35:04,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:35:04,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:35:04,871 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:35:04,871 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 11:35:04,871 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 11:35:04,871 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 11:35:04,872 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 11:35:04,872 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 11:35:04,872 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 11:35:04,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:35:04,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:35:04,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:35:04,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:35:04,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 11:35:04,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 11:35:04,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 11:35:04,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:35:04,874 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 11:35:04,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:35:04,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 11:35:04,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:35:04,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:35:04,875 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 11:35:04,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:35:04,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:35:04,876 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 11:35:04,877 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 11:35:04,877 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_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3a15f933181b44751784c7ab9846d6b1216531 [2019-11-20 11:35:05,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:35:05,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:35:05,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:35:05,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:35:05,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:35:05,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/strtol.i [2019-11-20 11:35:05,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/data/104b592ab/9c51c887b4bd426fa49ed4b829db9381/FLAG145b4f206 [2019-11-20 11:35:05,620 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:35:05,621 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/sv-benchmarks/c/termination-libowfat/strtol.i [2019-11-20 11:35:05,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/data/104b592ab/9c51c887b4bd426fa49ed4b829db9381/FLAG145b4f206 [2019-11-20 11:35:05,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/data/104b592ab/9c51c887b4bd426fa49ed4b829db9381 [2019-11-20 11:35:05,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:35:05,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:35:05,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:35:05,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:35:05,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:35:05,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:05" (1/1) ... [2019-11-20 11:35:05,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f953bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:05, skipping insertion in model container [2019-11-20 11:35:05,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:05" (1/1) ... [2019-11-20 11:35:05,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:35:06,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:35:06,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:35:06,429 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:35:06,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:35:06,523 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:35:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06 WrapperNode [2019-11-20 11:35:06,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:35:06,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:35:06,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:35:06,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:35:06,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:35:06,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:35:06,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:35:06,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:35:06,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... [2019-11-20 11:35:06,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:35:06,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:35:06,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:35:06,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:35:06,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:35:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:35:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:35:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 11:35:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 11:35:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:35:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 11:35:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:35:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:35:07,225 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:35:07,225 INFO L285 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-20 11:35:07,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:07 BoogieIcfgContainer [2019-11-20 11:35:07,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:35:07,228 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 11:35:07,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 11:35:07,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 11:35:07,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:35:07,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:35:05" (1/3) ... [2019-11-20 11:35:07,233 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36f8f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:35:07, skipping insertion in model container [2019-11-20 11:35:07,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:35:07,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:06" (2/3) ... [2019-11-20 11:35:07,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36f8f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:35:07, skipping insertion in model container [2019-11-20 11:35:07,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:35:07,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:07" (3/3) ... [2019-11-20 11:35:07,236 INFO L371 chiAutomizerObserver]: Analyzing ICFG strtol.i [2019-11-20 11:35:07,284 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 11:35:07,284 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 11:35:07,285 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 11:35:07,285 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:35:07,285 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:35:07,285 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 11:35:07,285 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:35:07,285 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 11:35:07,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states. [2019-11-20 11:35:07,319 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 11:35:07,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:35:07,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:35:07,325 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 11:35:07,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 11:35:07,325 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 11:35:07,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states. [2019-11-20 11:35:07,329 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 11:35:07,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:35:07,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:35:07,330 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 11:35:07,330 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 11:35:07,335 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 42#L562true assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 15#L554-3true [2019-11-20 11:35:07,336 INFO L796 eck$LassoCheckResult]: Loop: 15#L554-3true call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 12#L554-1true assume !!(32 == strtol_#t~mem21);havoc strtol_#t~mem21;strtol_#t~post22.base, strtol_#t~post22.offset := strtol_~nptr.base, strtol_~nptr.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#t~post22.base, 1 + strtol_#t~post22.offset;havoc strtol_#t~post22.base, strtol_#t~post22.offset; 15#L554-3true [2019-11-20 11:35:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 11:35:07,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:07,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801129191] [2019-11-20 11:35:07,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:07,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:07,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2019-11-20 11:35:07,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:07,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676884133] [2019-11-20 11:35:07,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,498 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:07,500 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-11-20 11:35:07,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:07,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279181890] [2019-11-20 11:35:07,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:07,558 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:08,091 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-11-20 11:35:08,275 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-20 11:35:08,288 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 11:35:08,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 11:35:08,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 11:35:08,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 11:35:08,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 11:35:08,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:08,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 11:35:08,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 11:35:08,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration1_Lasso [2019-11-20 11:35:08,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 11:35:08,291 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 11:35:08,327 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 11:35:08,333 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 11:35:08,341 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 11:35:08,345 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 11:35:08,347 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 11:35:08,352 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 11:35:08,359 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 11:35:08,361 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 11:35:08,364 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 11:35:08,367 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 11:35:08,656 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-11-20 11:35:08,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:08,742 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 11:35:08,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:08,753 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 11:35:08,755 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 11:35:08,758 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 11:35:08,761 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 11:35:08,765 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 11:35:08,769 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 11:35:08,771 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 11:35:08,774 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 11:35:08,778 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 11:35:09,343 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 11:35:09,348 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 11:35:09,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,385 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 11:35:09,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,389 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 11:35:09,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 11:35:09,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,431 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 11:35:09,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:09,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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) [2019-11-20 11:35:09,452 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 11:35:09,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,478 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 11:35:09,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,482 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 11:35:09,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,500 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 11:35:09,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,518 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 11:35:09,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:09,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,544 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 11:35:09,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,571 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 11:35:09,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,584 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 11:35:09,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,597 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 11:35:09,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:09,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:09,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,619 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 11:35:09,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,627 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 11:35:09,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:09,643 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:09,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,671 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 11:35:09,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,698 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 11:35:09,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:09,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:09,722 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 11:35:09,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:09,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:09,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:09,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:09,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:09,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:09,762 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 11:35:09,802 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 11:35:09,803 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:09,814 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 11:35:09,817 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 11:35:09,818 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 11:35:09,819 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtol_~nptr.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc30.base)_1) = -1*ULTIMATE.start_strtol_~nptr.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc30.base)_1 Supporting invariants [] [2019-11-20 11:35:09,971 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2019-11-20 11:35:09,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 11:35:10,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:10,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:35:10,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:35:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:10,084 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:35:10,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:35:10,108 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 11:35:10,126 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 11:35:10,127 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states. Second operand 3 states. [2019-11-20 11:35:10,362 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states.. Second operand 3 states. Result 192 states and 307 transitions. Complement of second has 8 states. [2019-11-20 11:35:10,372 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 11:35:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 11:35:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 187 transitions. [2019-11-20 11:35:10,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 11:35:10,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:10,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 11:35:10,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:10,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-20 11:35:10,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:10,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 307 transitions. [2019-11-20 11:35:10,390 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 22 [2019-11-20 11:35:10,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 60 states and 87 transitions. [2019-11-20 11:35:10,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2019-11-20 11:35:10,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2019-11-20 11:35:10,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 87 transitions. [2019-11-20 11:35:10,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 11:35:10,399 INFO L688 BuchiCegarLoop]: Abstraction has 60 states and 87 transitions. [2019-11-20 11:35:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 87 transitions. [2019-11-20 11:35:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 35. [2019-11-20 11:35:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 11:35:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-11-20 11:35:10,430 INFO L711 BuchiCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-11-20 11:35:10,430 INFO L591 BuchiCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-11-20 11:35:10,430 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 11:35:10,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 50 transitions. [2019-11-20 11:35:10,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-20 11:35:10,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:35:10,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:35:10,432 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:35:10,432 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 11:35:10,433 INFO L794 eck$LassoCheckResult]: Stem: 348#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 327#L-1 havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 328#L562 assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 338#L554-3 call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 329#L554-1 assume !(32 == strtol_#t~mem21);havoc strtol_#t~mem21; 330#L554-4 call strtol_#t~mem23 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 321#L555 assume !(45 == strtol_#t~mem23);havoc strtol_#t~mem23; 322#L555-2 strtoul_#in~ptr.base, strtoul_#in~ptr.offset, strtoul_#in~endptr.base, strtoul_#in~endptr.offset, strtoul_#in~base := strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base;havoc strtoul_#res;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset, strtoul_#t~mem2, strtoul_#t~mem4, strtoul_#t~post5.base, strtoul_#t~post5.offset, strtoul_#t~mem6, strtoul_#t~pre7.base, strtoul_#t~pre7.offset, strtoul_#t~mem8, strtoul_#t~short9, strtoul_~b~0, strtoul_#t~mem10, strtoul_#t~mem11, strtoul_#t~mem12, strtoul_#t~short13, strtoul_#t~mem14, strtoul_#t~ite17, strtoul_#t~ite16, strtoul_#t~ite15, strtoul_~x~0, strtoul_~w~0, strtoul_#t~pre18.base, strtoul_#t~pre18.offset, strtoul_~c~0, strtoul_#t~mem19, strtoul_#t~ite20, strtoul_~ptr.base, strtoul_~ptr.offset, strtoul_~endptr.base, strtoul_~endptr.offset, strtoul_~base, strtoul_~neg~0, strtoul_~v~0, strtoul_~orig~0.base, strtoul_~orig~0.offset, strtoul_~nptr~0.base, strtoul_~nptr~0.offset;strtoul_~ptr.base, strtoul_~ptr.offset := strtoul_#in~ptr.base, strtoul_#in~ptr.offset;strtoul_~endptr.base, strtoul_~endptr.offset := strtoul_#in~endptr.base, strtoul_#in~endptr.offset;strtoul_~base := strtoul_#in~base;strtoul_~neg~0 := 0;strtoul_~v~0 := 0;havoc strtoul_~orig~0.base, strtoul_~orig~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~ptr.base, strtoul_~ptr.offset; 336#L512-3 [2019-11-20 11:35:10,433 INFO L796 eck$LassoCheckResult]: Loop: 336#L512-3 call strtoul_#t~mem2 := read~int(strtoul_~nptr~0.base, strtoul_~nptr~0.offset, 1); 337#L512-1 assume !!(32 == strtoul_#t~mem2);havoc strtoul_#t~mem2;strtoul_#t~pre3.base, strtoul_#t~pre3.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset; 336#L512-3 [2019-11-20 11:35:10,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,433 INFO L82 PathProgramCache]: Analyzing trace with hash 179507088, now seen corresponding path program 1 times [2019-11-20 11:35:10,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771401412] [2019-11-20 11:35:10,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,490 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-11-20 11:35:10,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030136354] [2019-11-20 11:35:10,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,511 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:10,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,517 INFO L82 PathProgramCache]: Analyzing trace with hash 707620789, now seen corresponding path program 1 times [2019-11-20 11:35:10,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796030280] [2019-11-20 11:35:10,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:10,625 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 11:35:10,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796030280] [2019-11-20 11:35:10,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:35:10,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 11:35:10,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759148032] [2019-11-20 11:35:10,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:35:10,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 11:35:10,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 11:35:10,668 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. cyclomatic complexity: 18 Second operand 6 states. [2019-11-20 11:35:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:35:10,865 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2019-11-20 11:35:10,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:35:10,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 112 transitions. [2019-11-20 11:35:10,872 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2019-11-20 11:35:10,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 77 states and 112 transitions. [2019-11-20 11:35:10,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2019-11-20 11:35:10,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2019-11-20 11:35:10,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 112 transitions. [2019-11-20 11:35:10,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 11:35:10,875 INFO L688 BuchiCegarLoop]: Abstraction has 77 states and 112 transitions. [2019-11-20 11:35:10,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 112 transitions. [2019-11-20 11:35:10,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 38. [2019-11-20 11:35:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-20 11:35:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-20 11:35:10,884 INFO L711 BuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-20 11:35:10,884 INFO L591 BuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-20 11:35:10,884 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 11:35:10,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 53 transitions. [2019-11-20 11:35:10,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-20 11:35:10,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:35:10,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:35:10,889 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:35:10,889 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 11:35:10,889 INFO L794 eck$LassoCheckResult]: Stem: 477#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 454#L-1 havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 455#L562 assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 466#L554-3 call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 460#L554-1 assume !(32 == strtol_#t~mem21);havoc strtol_#t~mem21; 462#L554-4 call strtol_#t~mem23 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 479#L555 assume 45 == strtol_#t~mem23;havoc strtol_#t~mem23;strtol_~neg~1 := -1;strtol_#t~pre24.base, strtol_#t~pre24.offset := strtol_~nptr.base, 1 + strtol_~nptr.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_~nptr.base, 1 + strtol_~nptr.offset;havoc strtol_#t~pre24.base, strtol_#t~pre24.offset; 480#L555-2 strtoul_#in~ptr.base, strtoul_#in~ptr.offset, strtoul_#in~endptr.base, strtoul_#in~endptr.offset, strtoul_#in~base := strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base;havoc strtoul_#res;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset, strtoul_#t~mem2, strtoul_#t~mem4, strtoul_#t~post5.base, strtoul_#t~post5.offset, strtoul_#t~mem6, strtoul_#t~pre7.base, strtoul_#t~pre7.offset, strtoul_#t~mem8, strtoul_#t~short9, strtoul_~b~0, strtoul_#t~mem10, strtoul_#t~mem11, strtoul_#t~mem12, strtoul_#t~short13, strtoul_#t~mem14, strtoul_#t~ite17, strtoul_#t~ite16, strtoul_#t~ite15, strtoul_~x~0, strtoul_~w~0, strtoul_#t~pre18.base, strtoul_#t~pre18.offset, strtoul_~c~0, strtoul_#t~mem19, strtoul_#t~ite20, strtoul_~ptr.base, strtoul_~ptr.offset, strtoul_~endptr.base, strtoul_~endptr.offset, strtoul_~base, strtoul_~neg~0, strtoul_~v~0, strtoul_~orig~0.base, strtoul_~orig~0.offset, strtoul_~nptr~0.base, strtoul_~nptr~0.offset;strtoul_~ptr.base, strtoul_~ptr.offset := strtoul_#in~ptr.base, strtoul_#in~ptr.offset;strtoul_~endptr.base, strtoul_~endptr.offset := strtoul_#in~endptr.base, strtoul_#in~endptr.offset;strtoul_~base := strtoul_#in~base;strtoul_~neg~0 := 0;strtoul_~v~0 := 0;havoc strtoul_~orig~0.base, strtoul_~orig~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~ptr.base, strtoul_~ptr.offset; 463#L512-3 [2019-11-20 11:35:10,890 INFO L796 eck$LassoCheckResult]: Loop: 463#L512-3 call strtoul_#t~mem2 := read~int(strtoul_~nptr~0.base, strtoul_~nptr~0.offset, 1); 464#L512-1 assume !!(32 == strtoul_#t~mem2);havoc strtoul_#t~mem2;strtoul_#t~pre3.base, strtoul_#t~pre3.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset; 463#L512-3 [2019-11-20 11:35:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,890 INFO L82 PathProgramCache]: Analyzing trace with hash 179507026, now seen corresponding path program 1 times [2019-11-20 11:35:10,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442226427] [2019-11-20 11:35:10,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,947 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2019-11-20 11:35:10,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581355044] [2019-11-20 11:35:10,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:10,966 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:10,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:10,967 INFO L82 PathProgramCache]: Analyzing trace with hash 707561207, now seen corresponding path program 1 times [2019-11-20 11:35:10,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:35:10,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137763967] [2019-11-20 11:35:10,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:35:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:35:11,042 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:35:11,883 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 149 [2019-11-20 11:35:12,126 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-11-20 11:35:12,128 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 11:35:12,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 11:35:12,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 11:35:12,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 11:35:12,128 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 11:35:12,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:12,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 11:35:12,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 11:35:12,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration3_Lasso [2019-11-20 11:35:12,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 11:35:12,129 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 11:35:12,135 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 11:35:12,150 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 11:35:12,158 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 11:35:12,160 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 11:35:12,167 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 11:35:12,170 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 11:35:12,171 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 11:35:12,175 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 11:35:12,176 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 11:35:12,495 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-11-20 11:35:12,570 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 11:35:12,575 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 11:35:12,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,584 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 11:35:12,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,588 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 11:35:12,592 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 11:35:12,594 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 11:35:12,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,605 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 11:35:12,607 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 11:35:12,609 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 11:35:12,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,614 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 11:35:12,616 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 11:35:12,628 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 11:35:12,632 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 11:35:12,634 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 11:35:12,636 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 11:35:12,638 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 11:35:12,640 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 11:35:12,641 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 11:35:12,643 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 11:35:12,647 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 11:35:12,649 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 11:35:12,651 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 11:35:12,653 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 11:35:12,656 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 11:35:12,661 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 11:35:12,663 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 11:35:12,665 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 11:35:12,667 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 11:35:12,669 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 11:35:12,670 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 11:35:12,672 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 11:35:12,673 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 11:35:12,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:12,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 11:35:13,299 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 11:35:13,299 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,305 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 11:35:13,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,322 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 11:35:13,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,338 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 11:35:13,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:13,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 11:35:13,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,376 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 11:35:13,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:13,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,384 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 11:35:13,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:13,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,393 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 11:35:13,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,419 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 11:35:13,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,434 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 11:35:13,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 11:35:13,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,456 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 11:35:13,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 11:35:13,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 11:35:13,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 11:35:13,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,465 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 11:35:13,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,490 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 11:35:13,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 11:35:13,507 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 11:35:13,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,519 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 11:35:13,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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 11:35:13,534 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 11:35:13,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 11:35:13,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 11:35:13,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 11:35:13,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 11:35:13,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 11:35:13,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 11:35:13,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 11:35:13,600 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 11:35:13,601 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd37dd00-42aa-4938-b130-13472cbe5aa3/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) [2019-11-20 11:35:13,606 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 11:35:13,609 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 11:35:13,610 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 11:35:13,610 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtoul_~nptr~0.offset, v_rep(select #length ULTIMATE.start_main_~in~0.base)_1) = -1*ULTIMATE.start_strtoul_~nptr~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~in~0.base)_1 Supporting invariants [] [2019-11-20 11:35:13,695 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-11-20 11:35:13,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 11:35:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:35:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:13,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 11:35:13,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:35:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:13,790 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:35:13,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:35:13,803 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 11:35:13,804 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 11:35:13,804 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 53 transitions. cyclomatic complexity: 18 Second operand 4 states. [2019-11-20 11:35:13,902 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 53 transitions. cyclomatic complexity: 18. Second operand 4 states. Result 77 states and 110 transitions. Complement of second has 7 states. [2019-11-20 11:35:13,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 11:35:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 11:35:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2019-11-20 11:35:13,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-20 11:35:13,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:13,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-20 11:35:13,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:13,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 11:35:13,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 11:35:13,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 110 transitions. [2019-11-20 11:35:13,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 11:35:13,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 11:35:13,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 11:35:13,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 11:35:13,910 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 11:35:13,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 11:35:13,910 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 11:35:13,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 11:35:13,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:35:13 BoogieIcfgContainer [2019-11-20 11:35:13,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 11:35:13,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:35:13,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:35:13,918 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:35:13,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:07" (3/4) ... [2019-11-20 11:35:13,922 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 11:35:13,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:35:13,923 INFO L168 Benchmark]: Toolchain (without parser) took 7983.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:35:13,924 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:35:13,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:35:13,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.81 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 11:35:13,925 INFO L168 Benchmark]: Boogie Preprocessor took 47.82 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 11:35:13,926 INFO L168 Benchmark]: RCFGBuilder took 601.15 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:35:13,926 INFO L168 Benchmark]: BuchiAutomizer took 6689.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:35:13,927 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:35:13,929 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 583.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.81 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. * Boogie Preprocessor took 47.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 601.15 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6689.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * nptr + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * nptr + unknown-#length-unknown[in] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 64 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 38 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 162 SDtfs, 217 SDslu, 292 SDs, 0 SdLazy, 233 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital243 mio100 ax100 hnf100 lsp91 ukn67 mio100 lsp37 div100 bol100 ite100 ukn100 eq190 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 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...