./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.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_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 2187ad12904216f135de1d4e0a00e45b56b4da69 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:21:25,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:25,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:25,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:25,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:25,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:25,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:25,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:25,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:25,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:25,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:25,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:25,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:25,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:25,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:25,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:25,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:25,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:25,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:25,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:25,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:25,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:25,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:25,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:25,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:25,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:25,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:25,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:25,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:25,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:25,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:25,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:25,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:25,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:25,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:25,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:25,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:25,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:25,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:25,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:25,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:25,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:21:25,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:25,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:25,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:25,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:25,529 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:25,529 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:21:25,529 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:21:25,529 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:21:25,530 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:21:25,530 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:21:25,531 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:21:25,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:25,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:21:25,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:21:25,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:21:25,533 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:21:25,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:25,533 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:21:25,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:25,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:21:25,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:25,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:25,534 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:21:25,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:25,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:21:25,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:25,536 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:21:25,537 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:21:25,537 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_f5696edc-0484-48e0-9ebe-b476454b4656/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2187ad12904216f135de1d4e0a00e45b56b4da69 [2020-11-28 03:21:25,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:25,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:25,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:25,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:25,825 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:25,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2020-11-28 03:21:25,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/data/c47ff0937/16bd149d53f948edbce125f76e60bbe3/FLAGf5338fc39 [2020-11-28 03:21:26,390 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:26,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2020-11-28 03:21:26,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/data/c47ff0937/16bd149d53f948edbce125f76e60bbe3/FLAGf5338fc39 [2020-11-28 03:21:26,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/data/c47ff0937/16bd149d53f948edbce125f76e60bbe3 [2020-11-28 03:21:26,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:26,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:26,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:26,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:26,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:26,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:26" (1/1) ... [2020-11-28 03:21:26,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12035741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:26, skipping insertion in model container [2020-11-28 03:21:26,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:26" (1/1) ... [2020-11-28 03:21:26,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:26,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:26,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:27,035 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:21:27,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:27,099 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:21:27,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27 WrapperNode [2020-11-28 03:21:27,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:27,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:27,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:21:27,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:21:27,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:27,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:21:27,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:21:27,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:21:27,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... [2020-11-28 03:21:27,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:21:27,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:21:27,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:21:27,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:21:27,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-28 03:21:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-28 03:21:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:21:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:21:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:21:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:21:27,607 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:21:27,648 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:21:27,669 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 03:21:27,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:27 BoogieIcfgContainer [2020-11-28 03:21:27,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:21:27,672 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:21:27,672 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:21:27,676 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:21:27,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:21:27,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:21:26" (1/3) ... [2020-11-28 03:21:27,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad95b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:21:27, skipping insertion in model container [2020-11-28 03:21:27,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:21:27,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:27" (2/3) ... [2020-11-28 03:21:27,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad95b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:21:27, skipping insertion in model container [2020-11-28 03:21:27,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:21:27,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:27" (3/3) ... [2020-11-28 03:21:27,680 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3-1.i [2020-11-28 03:21:27,734 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:21:27,734 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:21:27,734 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:21:27,735 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:21:27,735 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:21:27,735 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:21:27,735 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:21:27,735 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:21:27,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-11-28 03:21:27,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-28 03:21:27,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:21:27,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:21:27,779 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:21:27,779 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:21:27,779 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:21:27,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-11-28 03:21:27,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-28 03:21:27,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:21:27,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:21:27,783 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:21:27,784 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:21:27,791 INFO L794 eck$LassoCheckResult]: Stem: 28#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);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(3, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 5 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 6 + ~#d~0.offset, 4); 10#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_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, 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; 24#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);< 14##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; 5#$Ultimate##0true #t~loopctr13 := 0; 25#L-1-1true [2020-11-28 03:21:27,792 INFO L796 eck$LassoCheckResult]: Loop: 25#L-1-1true assume #t~loopctr13 < size;call #t~mem14 := read~unchecked~int(src.base, src.offset + #t~loopctr13, 4);call write~unchecked~int(#t~mem14, dest.base, dest.offset + #t~loopctr13, 4);call #t~mem15 := read~unchecked~int(src.base, src.offset + #t~loopctr13, 1);call write~unchecked~int(#t~mem15, dest.base, dest.offset + #t~loopctr13, 1);#t~loopctr13 := 1 + #t~loopctr13; 25#L-1-1true [2020-11-28 03:21:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:27,798 INFO L82 PathProgramCache]: Analyzing trace with hash 28780603, now seen corresponding path program 1 times [2020-11-28 03:21:27,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:27,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477777418] [2020-11-28 03:21:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:27,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:27,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:27,965 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:27,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:27,967 INFO L82 PathProgramCache]: Analyzing trace with hash 114, now seen corresponding path program 1 times [2020-11-28 03:21:27,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:27,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846351464] [2020-11-28 03:21:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:27,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:27,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:27,984 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:27,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:27,986 INFO L82 PathProgramCache]: Analyzing trace with hash 892198776, now seen corresponding path program 1 times [2020-11-28 03:21:27,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:27,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360136950] [2020-11-28 03:21:27,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:28,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:28,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:28,047 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:28,455 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-28 03:21:28,613 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-28 03:21:28,962 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-11-28 03:21:29,091 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:21:29,092 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:21:29,092 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:21:29,092 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:21:29,092 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:21:29,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:29,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:21:29,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:21:29,093 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration1_Lasso [2020-11-28 03:21:29,093 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:21:29,093 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:21:29,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,604 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-28 03:21:29,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:29,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:30,295 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:21:30,298 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:30,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:30,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:30,367 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 [2020-11-28 03:21:30,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:30,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:30,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:30,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,462 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 [2020-11-28 03:21:30,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:30,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:30,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:30,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:30,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:30,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:30,608 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 [2020-11-28 03:21:30,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,654 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 [2020-11-28 03:21:30,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,687 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 [2020-11-28 03:21:30,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,721 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 [2020-11-28 03:21:30,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:30,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:30,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:30,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,753 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 [2020-11-28 03:21:30,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,755 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:21:30,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,764 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:21:30,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,804 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 [2020-11-28 03:21:30,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:30,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,845 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 [2020-11-28 03:21:30,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:30,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,906 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 [2020-11-28 03:21:30,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:30,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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 [2020-11-28 03:21:30,967 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 [2020-11-28 03:21:30,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:30,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:30,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:30,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:30,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:30,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:30,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:31,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:31,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:31,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:31,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:31,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:31,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,098 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 [2020-11-28 03:21:31,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:31,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:31,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:31,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:31,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:31,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,159 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 [2020-11-28 03:21:31,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:31,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:31,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:31,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:31,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:31,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,215 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 [2020-11-28 03:21:31,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:31,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:31,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:31,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:31,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:31,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:21:31,327 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-28 03:21:31,327 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,338 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,341 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:21:31,341 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:21:31,342 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr13, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr13 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-11-28 03:21:31,506 INFO L297 tatePredicateManager]: 27 out of 27 supporting invariants were superfluous and have been removed [2020-11-28 03:21:31,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-28 03:21:31,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:31,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:21:31,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:31,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:21:31,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:31,624 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 [2020-11-28 03:21:31,625 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 2 states. [2020-11-28 03:21:31,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 2 states. Result 38 states and 53 transitions. Complement of second has 6 states. [2020-11-28 03:21:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:21:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:21:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-11-28 03:21:31,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-28 03:21:31,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:31,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-28 03:21:31,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:31,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:21:31,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:31,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-11-28 03:21:31,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:21:31,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 9 states and 11 transitions. [2020-11-28 03:21:31,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-28 03:21:31,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-28 03:21:31,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-11-28 03:21:31,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:21:31,689 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-28 03:21:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-11-28 03:21:31,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-28 03:21:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:21:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-28 03:21:31,713 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-28 03:21:31,713 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-28 03:21:31,713 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:21:31,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-28 03:21:31,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:21:31,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:21:31,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:21:31,714 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:21:31,714 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:21:31,715 INFO L794 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(3, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 5 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 6 + ~#d~0.offset, 4); 221#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 222#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 227##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 223#$Ultimate##0 #t~loopctr13 := 0; 224#L-1-1 assume !(#t~loopctr13 < size);#t~loopctr16 := 0; 226#L-1-3 [2020-11-28 03:21:31,715 INFO L796 eck$LassoCheckResult]: Loop: 226#L-1-3 assume #t~loopctr16 < size;#t~loopctr16 := 4 + #t~loopctr16; 226#L-1-3 [2020-11-28 03:21:31,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:31,715 INFO L82 PathProgramCache]: Analyzing trace with hash 892198778, now seen corresponding path program 1 times [2020-11-28 03:21:31,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:31,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896900405] [2020-11-28 03:21:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:31,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896900405] [2020-11-28 03:21:31,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:31,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:31,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856335609] [2020-11-28 03:21:31,787 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:21:31,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:31,787 INFO L82 PathProgramCache]: Analyzing trace with hash 120, now seen corresponding path program 1 times [2020-11-28 03:21:31,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:31,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873260984] [2020-11-28 03:21:31,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:31,791 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:31,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:31,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:31,807 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:21:31,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:21:31,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:21:31,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:21:31,807 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:21:31,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:31,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:21:31,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:21:31,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration2_Loop [2020-11-28 03:21:31,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:21:31,808 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:21:31,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:31,829 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:21:31,830 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/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) [2020-11-28 03:21:31,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:21:31,840 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:21:31,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:21:31,890 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:32,021 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:21:32,022 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:21:32,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:21:32,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:21:32,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:21:32,023 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:21:32,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:32,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:21:32,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:21:32,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration2_Loop [2020-11-28 03:21:32,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:21:32,023 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:21:32,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:32,048 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:21:32,049 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:21:32,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:32,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:32,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:32,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:32,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:32,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:32,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:32,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:32,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:21:32,059 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:21:32,059 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_f5696edc-0484-48e0-9ebe-b476454b4656/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:32,095 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:21:32,095 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:21:32,095 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:21:32,095 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr16, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr16 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-11-28 03:21:32,116 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:21:32,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-28 03:21:32,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:32,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:21:32,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:32,245 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:21:32,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:32,246 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 [2020-11-28 03:21:32,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-28 03:21:32,251 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. [2020-11-28 03:21:32,252 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 [2020-11-28 03:21:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:21:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-11-28 03:21:32,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-28 03:21:32,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:32,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-28 03:21:32,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:32,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:21:32,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:32,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-11-28 03:21:32,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:21:32,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-28 03:21:32,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:21:32,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:21:32,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:21:32,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:21:32,257 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:32,257 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:32,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:32,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:32,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:32,261 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-28 03:21:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:32,264 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:21:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:21:32,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:21:32,265 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:21:32,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:21:32,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:21:32,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:21:32,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:21:32,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:21:32,266 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:32,266 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:32,266 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:32,266 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:21:32,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:32,266 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:21:32,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:21:32,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:21:32 BoogieIcfgContainer [2020-11-28 03:21:32,281 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:21:32,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:32,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:32,283 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:32,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:27" (3/4) ... [2020-11-28 03:21:32,288 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:21:32,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:32,291 INFO L168 Benchmark]: Toolchain (without parser) took 5492.63 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 57.3 MB in the beginning and 107.0 MB in the end (delta: -49.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:32,296 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:32,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.76 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 66.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:32,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.29 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 64.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:32,298 INFO L168 Benchmark]: Boogie Preprocessor took 35.88 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 63.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:32,298 INFO L168 Benchmark]: RCFGBuilder took 472.26 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 45.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:32,299 INFO L168 Benchmark]: BuchiAutomizer took 4609.41 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 45.4 MB in the beginning and 107.0 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:32,299 INFO L168 Benchmark]: Witness Printer took 5.90 ms. Allocated memory is still 136.3 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:32,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.76 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 66.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.29 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 64.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.88 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 63.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 472.26 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 45.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4609.41 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 45.4 MB in the beginning and 107.0 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.90 ms. Allocated memory is still 136.3 MB. Free memory is still 107.0 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 size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr13-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function -1 * aux-#t~loopctr16-aux + unknown-size-unknown and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital74 mio100 ax100 hnf100 lsp99 ukn88 mio100 lsp76 div100 bol100 ite100 ukn100 eq175 hnf89 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...