./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 0.2.0-a4ecdab [2020-11-29 23:32:11,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:32:11,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:32:11,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:32:11,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:32:11,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:32:11,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:32:11,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:32:11,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:32:11,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:32:11,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:32:11,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:32:11,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:32:11,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:32:11,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:32:11,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:32:11,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:32:11,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:32:11,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:32:11,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:32:11,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:32:11,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:32:11,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:32:11,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:32:11,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:32:11,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:32:11,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:32:11,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:32:11,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:32:11,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:32:11,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:11,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:11,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:11,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:11,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:11,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:11,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:11,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:11,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:11,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:11,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:11,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:32:11,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:11,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:11,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:11,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:11,358 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:32:11,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:32:11,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:32:11,359 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:32:11,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:32:11,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:32:11,361 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:32:11,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:11,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:32:11,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:32:11,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:32:11,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:32:11,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:11,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:32:11,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:32:11,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:32:11,365 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:32:11,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:11,365 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:32:11,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:11,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:32:11,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:11,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:32:11,367 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:32:11,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:11,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:32:11,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:32:11,370 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:32:11,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:32:11,372 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72da1f6907bc4b842c40cca6c3dd762e325d6dec [2020-11-29 23:32:11,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:11,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:11,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:11,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:11,811 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:11,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-11-29 23:32:11,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/data/8454d8828/32a4b8c47c2e4d19b5f6a569b4d942af/FLAGccd46888d [2020-11-29 23:32:12,617 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:12,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-11-29 23:32:12,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/data/8454d8828/32a4b8c47c2e4d19b5f6a569b4d942af/FLAGccd46888d [2020-11-29 23:32:12,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/data/8454d8828/32a4b8c47c2e4d19b5f6a569b4d942af [2020-11-29 23:32:12,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:12,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:12,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:12,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:12,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:12,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:12" (1/1) ... [2020-11-29 23:32:12,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c0a1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:12, skipping insertion in model container [2020-11-29 23:32:12,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:12" (1/1) ... [2020-11-29 23:32:12,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:12,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:13,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:13,207 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:32:13,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:13,302 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:32:13,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13 WrapperNode [2020-11-29 23:32:13,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:13,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:13,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:32:13,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:32:13,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:13,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:32:13,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:32:13,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:32:13,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... [2020-11-29 23:32:13,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:32:13,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:32:13,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:32:13,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:32:13,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 23:32:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 23:32:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-29 23:32:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:32:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:32:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-29 23:32:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:32:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:32:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:32:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:32:14,113 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 23:32:14,174 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:14,174 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-29 23:32:14,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:14 BoogieIcfgContainer [2020-11-29 23:32:14,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:14,178 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:32:14,178 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:32:14,183 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:32:14,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:32:14,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:32:12" (1/3) ... [2020-11-29 23:32:14,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34b9912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:32:14, skipping insertion in model container [2020-11-29 23:32:14,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:32:14,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:13" (2/3) ... [2020-11-29 23:32:14,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34b9912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:32:14, skipping insertion in model container [2020-11-29 23:32:14,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:32:14,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:14" (3/3) ... [2020-11-29 23:32:14,190 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3.1-1.i [2020-11-29 23:32:14,248 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:32:14,248 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:32:14,248 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:32:14,249 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:32:14,249 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:32:14,249 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:32:14,249 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:32:14,250 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:32:14,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-29 23:32:14,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-29 23:32:14,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:32:14,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:32:14,301 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 23:32:14,301 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 23:32:14,301 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:32:14,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-29 23:32:14,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-29 23:32:14,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:32:14,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:32:14,306 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 23:32:14,306 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 23:32:14,334 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#$Ultimate##0true #t~loopctr9 := 0; 19#L-1-1true [2020-11-29 23:32:14,334 INFO L796 eck$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 [2020-11-29 23:32:14,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:14,353 INFO L82 PathProgramCache]: Analyzing trace with hash 28752799, now seen corresponding path program 1 times [2020-11-29 23:32:14,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:14,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470623229] [2020-11-29 23:32:14,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,571 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:32:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times [2020-11-29 23:32:14,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:14,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49057404] [2020-11-29 23:32:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,592 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,596 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:32:14,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:14,598 INFO L82 PathProgramCache]: Analyzing trace with hash 891336824, now seen corresponding path program 1 times [2020-11-29 23:32:14,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:14,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47317765] [2020-11-29 23:32:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:14,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:14,681 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:32:15,263 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-11-29 23:32:15,597 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-29 23:32:16,133 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-11-29 23:32:16,282 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-29 23:32:16,296 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:32:16,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:32:16,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:32:16,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:32:16,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:32:16,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:16,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:32:16,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:32:16,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration1_Lasso [2020-11-29 23:32:16,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:32:16,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:32:16,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,667 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-11-29 23:32:16,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:16,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:17,292 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:32:17,298 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,312 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 [2020-11-29 23:32:17,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,359 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 [2020-11-29 23:32:17,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,417 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 [2020-11-29 23:32:17,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,466 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 [2020-11-29 23:32:17,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,504 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 [2020-11-29 23:32:17,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:32:17,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:32:17,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,576 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 [2020-11-29 23:32:17,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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) [2020-11-29 23:32:17,641 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 [2020-11-29 23:32:17,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,696 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 [2020-11-29 23:32:17,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:32:17,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,774 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 [2020-11-29 23:32:17,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,808 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 [2020-11-29 23:32:17,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,845 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 [2020-11-29 23:32:17,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:17,882 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 [2020-11-29 23:32:17,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:17,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:17,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:17,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,916 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 [2020-11-29 23:32:17,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:32:17,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:32:17,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:17,962 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 [2020-11-29 23:32:17,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:17,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:17,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:17,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:17,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:32:17,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:32:17,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:18,014 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 [2020-11-29 23:32:18,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:18,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:18,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:18,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:18,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:32:18,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:32:18,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:32:18,352 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-11-29 23:32:18,352 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:18,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:32:18,367 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 23:32:18,367 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:32:18,368 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr9, v_rep(select #length #Ultimate.C_memcpy_dest.base)_1) = -1*#Ultimate.C_memcpy_#t~loopctr9 + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 Supporting invariants [-1*#Ultimate.C_memcpy_size + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 >= 0] [2020-11-29 23:32:18,444 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-11-29 23:32:18,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:32:18,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable dest [2020-11-29 23:32:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:18,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:32:18,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:18,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:32:18,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:18,635 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-11-29 23:32:18,636 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states. Second operand 3 states. [2020-11-29 23:32:18,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states.. Second operand 3 states. Result 30 states and 41 transitions. Complement of second has 7 states. [2020-11-29 23:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 23:32:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 23:32:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-11-29 23:32:18,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-29 23:32:18,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:18,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-29 23:32:18,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:18,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 23:32:18,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:18,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-11-29 23:32:18,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 23:32:18,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2020-11-29 23:32:18,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-29 23:32:18,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-29 23:32:18,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-11-29 23:32:18,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:32:18,791 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-29 23:32:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-11-29 23:32:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-29 23:32:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-29 23:32:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-29 23:32:18,826 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-29 23:32:18,826 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-29 23:32:18,826 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:32:18,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-29 23:32:18,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 23:32:18,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:32:18,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:32:18,829 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:32:18,830 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 23:32:18,830 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 128#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 129#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 134##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 131#$Ultimate##0 #t~loopctr9 := 0; 132#L-1-1 assume !(#t~loopctr9 < size);#t~loopctr12 := 0; 133#L-1-3 [2020-11-29 23:32:18,831 INFO L796 eck$LassoCheckResult]: Loop: 133#L-1-3 assume #t~loopctr12 < size;#t~loopctr12 := 4 + #t~loopctr12; 133#L-1-3 [2020-11-29 23:32:18,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:18,833 INFO L82 PathProgramCache]: Analyzing trace with hash 891336826, now seen corresponding path program 1 times [2020-11-29 23:32:18,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:18,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522223003] [2020-11-29 23:32:18,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:18,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522223003] [2020-11-29 23:32:18,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:18,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:32:18,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000473367] [2020-11-29 23:32:18,963 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:32:18,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:18,964 INFO L82 PathProgramCache]: Analyzing trace with hash 92, now seen corresponding path program 1 times [2020-11-29 23:32:18,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:18,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080895020] [2020-11-29 23:32:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:18,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:18,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:18,973 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:32:18,989 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:32:18,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:32:18,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:32:18,990 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:32:18,990 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 23:32:18,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:18,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:32:18,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:32:18,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-11-29 23:32:18,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:32:18,991 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:32:18,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:19,022 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:32:19,023 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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) [2020-11-29 23:32:19,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:32:19,033 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/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 [2020-11-29 23:32:19,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 23:32:19,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 23:32:19,248 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 23:32:19,250 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:32:19,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:32:19,250 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:32:19,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:32:19,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:32:19,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:19,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:32:19,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:32:19,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-11-29 23:32:19,251 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:32:19,251 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:32:19,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:32:19,336 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:32:19,336 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:19,340 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 [2020-11-29 23:32:19,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:32:19,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:32:19,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:32:19,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:32:19,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:32:19,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:32:19,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:32:19,348 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:32:19,356 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 23:32:19,356 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_28433aef-b52d-4327-b4e0-72697eb9151e/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:32:19,371 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:32:19,371 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 23:32:19,372 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:32:19,372 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr12) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr12 Supporting invariants [] [2020-11-29 23:32:19,413 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 23:32:19,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-29 23:32:19,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:32:19,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,486 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:32:19,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:19,487 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 [2020-11-29 23:32:19,488 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-29 23:32:19,495 INFO L75 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. [2020-11-29 23:32:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-11-29 23:32:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-29 23:32:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-11-29 23:32:19,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-29 23:32:19,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:19,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-29 23:32:19,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:19,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-29 23:32:19,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:32:19,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-11-29 23:32:19,498 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:32:19,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-29 23:32:19,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:32:19,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:32:19,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:32:19,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:32:19,499 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:19,499 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:19,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:19,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:32:19,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:32:19,503 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-29 23:32:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:19,506 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 23:32:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:32:19,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 23:32:19,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:32:19,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:32:19,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:32:19,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:32:19,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:32:19,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:32:19,508 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:19,508 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:19,508 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:19,508 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 23:32:19,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:32:19,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:32:19,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 23:32:19,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:32:19 BoogieIcfgContainer [2020-11-29 23:32:19,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:32:19,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:32:19,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:32:19,516 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:32:19,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:14" (3/4) ... [2020-11-29 23:32:19,521 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:32:19,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:32:19,524 INFO L168 Benchmark]: Toolchain (without parser) took 6572.46 ms. Allocated memory was 79.7 MB in the beginning and 138.4 MB in the end (delta: 58.7 MB). Free memory was 42.2 MB in the beginning and 97.6 MB in the end (delta: -55.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:19,525 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:19,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.19 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 41.9 MB in the beginning and 94.6 MB in the end (delta: -52.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:19,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 115.3 MB. Free memory was 94.6 MB in the beginning and 92.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:19,533 INFO L168 Benchmark]: Boogie Preprocessor took 68.79 ms. Allocated memory is still 115.3 MB. Free memory was 92.8 MB in the beginning and 92.0 MB in the end (delta: 792.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:19,534 INFO L168 Benchmark]: RCFGBuilder took 729.36 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 76.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:19,535 INFO L168 Benchmark]: BuchiAutomizer took 5337.70 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 75.4 MB in the beginning and 97.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 706.8 kB. Max. memory is 16.1 GB. [2020-11-29 23:32:19,539 INFO L168 Benchmark]: Witness Printer took 5.89 ms. Allocated memory is still 138.4 MB. Free memory is still 97.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:19,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.19 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 41.9 MB in the beginning and 94.6 MB in the end (delta: -52.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 115.3 MB. Free memory was 94.6 MB in the beginning and 92.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.79 ms. Allocated memory is still 115.3 MB. Free memory was 92.8 MB in the beginning and 92.0 MB in the end (delta: 792.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 729.36 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 76.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5337.70 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 75.4 MB in the beginning and 97.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 706.8 kB. Max. memory is 16.1 GB. * Witness Printer took 5.89 ms. Allocated memory is still 138.4 MB. Free memory is still 97.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable dest - 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-#length-unknown[dest] and consists of 4 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr12-aux 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 5.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 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: 12 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp98 ukn84 mio100 lsp82 div100 bol100 ite100 ukn100 eq167 hnf86 smp96 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...