./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72da1f6907bc4b842c40cca6c3dd762e325d6dec .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:50:27,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:50:27,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:50:27,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:50:27,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:50:27,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:50:27,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:50:27,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:50:27,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:50:27,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:50:27,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:50:27,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:50:27,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:50:27,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:50:27,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:50:27,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:50:27,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:50:27,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:50:27,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:50:27,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:50:27,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:50:27,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:50:27,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:50:27,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:50:27,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:50:27,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:50:27,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:50:27,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:50:27,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:50:27,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:50:27,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:50:27,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:50:27,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:50:27,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:50:27,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:50:27,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:50:27,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:50:27,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:50:27,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:50:27,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:50:27,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:50:27,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 23:50:27,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:50:27,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:50:27,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:50:27,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:50:27,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:50:27,266 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:50:27,266 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:50:27,266 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:50:27,266 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:50:27,267 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:50:27,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:50:27,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:50:27,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:50:27,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:50:27,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:50:27,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:50:27,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:50:27,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:50:27,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:50:27,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:50:27,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:50:27,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:50:27,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:50:27,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:50:27,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:50:27,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:50:27,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:50:27,273 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:50:27,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:50:27,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:50:27,273 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:50:27,274 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:50:27,275 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_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72da1f6907bc4b842c40cca6c3dd762e325d6dec [2019-11-19 23:50:27,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:50:27,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:50:27,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:50:27,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:50:27,485 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:50:27,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2019-11-19 23:50:27,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/data/da5904abc/df7911e59b1e481ebbfb80ee4138af19/FLAGda8a38a8e [2019-11-19 23:50:28,107 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:50:28,108 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2019-11-19 23:50:28,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/data/da5904abc/df7911e59b1e481ebbfb80ee4138af19/FLAGda8a38a8e [2019-11-19 23:50:28,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/data/da5904abc/df7911e59b1e481ebbfb80ee4138af19 [2019-11-19 23:50:28,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:50:28,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:50:28,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:50:28,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:50:28,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:50:28,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dceabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28, skipping insertion in model container [2019-11-19 23:50:28,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:50:28,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:50:28,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:50:28,732 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:50:28,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:50:28,864 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:50:28,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28 WrapperNode [2019-11-19 23:50:28,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:50:28,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:50:28,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:50:28,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:50:28,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:50:28,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:50:28,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:50:28,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:50:28,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... [2019-11-19 23:50:28,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:50:28,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:50:28,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:50:28,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:50:28,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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 [2019-11-19 23:50:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-19 23:50:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-19 23:50:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-19 23:50:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:50:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 23:50:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-19 23:50:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:50:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:50:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:50:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:50:29,387 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 23:50:29,448 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:50:29,448 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 23:50:29,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:50:29 BoogieIcfgContainer [2019-11-19 23:50:29,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:50:29,451 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:50:29,451 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:50:29,454 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:50:29,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:50:29,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:50:28" (1/3) ... [2019-11-19 23:50:29,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429545d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:50:29, skipping insertion in model container [2019-11-19 23:50:29,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:50:29,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:50:28" (2/3) ... [2019-11-19 23:50:29,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429545d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:50:29, skipping insertion in model container [2019-11-19 23:50:29,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:50:29,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:50:29" (3/3) ... [2019-11-19 23:50:29,460 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3.1-1.i [2019-11-19 23:50:29,511 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:50:29,512 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:50:29,512 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:50:29,512 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:50:29,512 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:50:29,512 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:50:29,512 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:50:29,512 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:50:29,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2019-11-19 23:50:29,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-19 23:50:29,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:50:29,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:50:29,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:50:29,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 23:50:29,564 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:50:29,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2019-11-19 23:50:29,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-19 23:50:29,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:50:29,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:50:29,569 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:50:29,569 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 23:50:29,577 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 18#L41true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 10##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr9 := 0; 19#L-1-1true [2019-11-19 23:50:29,578 INFO L796 eck$LassoCheckResult]: Loop: 19#L-1-1true assume #t~loopctr9 < size;call #t~mem10 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 1);call write~unchecked~int(#t~mem10, dest.base, dest.offset + #t~loopctr9, 1);call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 1 + #t~loopctr9; 19#L-1-1true [2019-11-19 23:50:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:29,586 INFO L82 PathProgramCache]: Analyzing trace with hash 28752799, now seen corresponding path program 1 times [2019-11-19 23:50:29,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:50:29,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002900881] [2019-11-19 23:50:29,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:50:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,784 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:50:29,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:29,786 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times [2019-11-19 23:50:29,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:50:29,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201533919] [2019-11-19 23:50:29,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:50:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,804 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:50:29,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:29,806 INFO L82 PathProgramCache]: Analyzing trace with hash 891336824, now seen corresponding path program 1 times [2019-11-19 23:50:29,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:50:29,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315190586] [2019-11-19 23:50:29,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:50:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:29,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:50:30,381 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-11-19 23:50:30,521 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-19 23:50:30,942 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-11-19 23:50:31,085 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-19 23:50:31,101 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:50:31,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:50:31,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:50:31,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:50:31,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:50:31,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:31,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:50:31,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:50:31,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration1_Lasso [2019-11-19 23:50:31,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:50:31,106 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:50:31,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,473 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-11-19 23:50:31,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:31,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:32,120 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:50:32,127 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,156 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 [2019-11-19 23:50:32,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,166 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 [2019-11-19 23:50:32,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,196 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 [2019-11-19 23:50:32,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,202 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 [2019-11-19 23:50:32,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,221 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 [2019-11-19 23:50:32,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,229 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 [2019-11-19 23:50:32,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,249 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 [2019-11-19 23:50:32,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:50:32,275 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 [2019-11-19 23:50:32,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:50:32,287 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 [2019-11-19 23:50:32,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,312 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 [2019-11-19 23:50:32,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,317 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 [2019-11-19 23:50:32,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,337 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 [2019-11-19 23:50:32,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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 [2019-11-19 23:50:32,362 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 [2019-11-19 23:50:32,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,393 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 [2019-11-19 23:50:32,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,428 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 [2019-11-19 23:50:32,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,454 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 [2019-11-19 23:50:32,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,459 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 [2019-11-19 23:50:32,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,478 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 [2019-11-19 23:50:32,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,501 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 [2019-11-19 23:50:32,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,521 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 [2019-11-19 23:50:32,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:50:32,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:50:32,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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 [2019-11-19 23:50:32,549 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 [2019-11-19 23:50:32,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:50:32,572 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 [2019-11-19 23:50:32,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,598 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 [2019-11-19 23:50:32,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:50:32,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:32,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:32,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:50:32,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,645 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 [2019-11-19 23:50:32,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,648 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 23:50:32,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,673 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 23:50:32,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:50:32,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,710 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 [2019-11-19 23:50:32,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:50:32,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:32,737 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 [2019-11-19 23:50:32,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:32,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:32,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:32,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:32,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:50:32,747 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 [2019-11-19 23:50:32,760 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:50:32,828 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-19 23:50:32,829 INFO L444 ModelExtractionUtils]: 7 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:50:32,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:32,861 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:50:32,861 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:50:32,862 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr9, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr9 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-11-19 23:50:32,928 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 23:50:32,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-19 23:50:32,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:33,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:50:33,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:50:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:33,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:50:33,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:50:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:33,054 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 23:50:33,057 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states. Second operand 2 states. [2019-11-19 23:50:33,143 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states.. Second operand 2 states. Result 30 states and 41 transitions. Complement of second has 6 states. [2019-11-19 23:50:33,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 23:50:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 23:50:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-19 23:50:33,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-19 23:50:33,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-19 23:50:33,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-19 23:50:33,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2019-11-19 23:50:33,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 23:50:33,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2019-11-19 23:50:33,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-19 23:50:33,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-19 23:50:33,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-11-19 23:50:33,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:50:33,175 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-19 23:50:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-11-19 23:50:33,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-19 23:50:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-19 23:50:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-19 23:50:33,212 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 23:50:33,212 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 23:50:33,212 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:50:33,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-19 23:50:33,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 23:50:33,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:50:33,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:50:33,214 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:50:33,214 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 23:50:33,215 INFO L794 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 121#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 122#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 127##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 124#$Ultimate##0 #t~loopctr9 := 0; 125#L-1-1 assume !(#t~loopctr9 < size);#t~loopctr12 := 0; 126#L-1-3 [2019-11-19 23:50:33,215 INFO L796 eck$LassoCheckResult]: Loop: 126#L-1-3 assume #t~loopctr12 < size;#t~loopctr12 := 4 + #t~loopctr12; 126#L-1-3 [2019-11-19 23:50:33,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:33,215 INFO L82 PathProgramCache]: Analyzing trace with hash 891336826, now seen corresponding path program 1 times [2019-11-19 23:50:33,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:50:33,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105501160] [2019-11-19 23:50:33,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:50:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:33,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105501160] [2019-11-19 23:50:33,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:50:33,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:50:33,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010276404] [2019-11-19 23:50:33,367 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 23:50:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:33,367 INFO L82 PathProgramCache]: Analyzing trace with hash 92, now seen corresponding path program 1 times [2019-11-19 23:50:33,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:50:33,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649107797] [2019-11-19 23:50:33,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:50:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:50:33,379 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:50:33,396 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:50:33,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:50:33,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:50:33,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:50:33,397 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:50:33,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:33,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:50:33,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:50:33,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2019-11-19 23:50:33,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:50:33,398 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:50:33,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:33,431 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:50:33,432 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:50:33,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:50:33,442 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:33,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:50:33,458 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:33,603 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:50:33,605 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:50:33,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:50:33,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:50:33,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:50:33,607 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:50:33,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:33,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:50:33,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:50:33,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2019-11-19 23:50:33,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:50:33,608 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:50:33,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:50:33,650 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:50:33,650 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:33,668 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 [2019-11-19 23:50:33,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:50:33,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:50:33,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:50:33,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:50:33,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:50:33,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:50:33,673 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 [2019-11-19 23:50:33,680 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:50:33,687 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 23:50:33,687 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94748e9e-783b-46bc-b51d-37ed2c6201f5/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) [2019-11-19 23:50:33,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:50:33,695 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 23:50:33,695 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:50:33,695 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr12, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr12 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-11-19 23:50:33,698 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:50:33,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-19 23:50:33,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:50:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:33,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:50:33,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:50:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:33,775 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:50:33,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:50:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:33,776 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 23:50:33,776 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-19 23:50:33,788 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2019-11-19 23:50:33,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2019-11-19 23:50:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 23:50:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2019-11-19 23:50:33,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-19 23:50:33,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-19 23:50:33,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 23:50:33,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:50:33,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2019-11-19 23:50:33,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:50:33,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-19 23:50:33,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:50:33,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:50:33,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:50:33,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:50:33,793 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:50:33,793 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:50:33,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:50:33,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:50:33,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:50:33,800 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2019-11-19 23:50:33,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:50:33,804 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 23:50:33,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:50:33,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 23:50:33,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:50:33,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:50:33,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:50:33,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:50:33,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:50:33,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:50:33,806 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:50:33,806 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:50:33,806 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:50:33,806 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:50:33,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:50:33,807 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:50:33,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:50:33,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:50:33 BoogieIcfgContainer [2019-11-19 23:50:33,814 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:50:33,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:50:33,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:50:33,815 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:50:33,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:50:29" (3/4) ... [2019-11-19 23:50:33,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:50:33,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:50:33,830 INFO L168 Benchmark]: Toolchain (without parser) took 5357.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,830 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:50:33,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.20 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. [2019-11-19 23:50:33,833 INFO L168 Benchmark]: Boogie Preprocessor took 32.89 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. [2019-11-19 23:50:33,834 INFO L168 Benchmark]: RCFGBuilder took 505.61 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,838 INFO L168 Benchmark]: BuchiAutomizer took 4364.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,839 INFO L168 Benchmark]: Witness Printer took 7.44 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.89 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 505.61 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4364.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.44 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * 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 * aux-#t~loopctr9-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function -1 * aux-#t~loopctr12-aux + unknown-size-unknown and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital62 mio100 ax100 hnf100 lsp98 ukn85 mio100 lsp81 div100 bol100 ite100 ukn100 eq167 hnf86 smp94 dnf103 smp97 tf108 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...