./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:03:18,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:03:18,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:03:18,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:03:18,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:03:18,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:03:18,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:03:18,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:03:18,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:03:18,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:03:18,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:03:18,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:03:18,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:03:19,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:03:19,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:03:19,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:03:19,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:03:19,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:03:19,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:03:19,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:03:19,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:03:19,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:03:19,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:03:19,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:03:19,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:03:19,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:03:19,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:03:19,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:03:19,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:03:19,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:03:19,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:03:19,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:03:19,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:03:19,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:03:19,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:03:19,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:03:19,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:03:19,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:03:19,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:03:19,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:03:19,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:03:19,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:03:19,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:03:19,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:03:19,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:03:19,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:03:19,091 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:03:19,091 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:03:19,091 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:03:19,092 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:03:19,092 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:03:19,092 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:03:19,093 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:03:19,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:03:19,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:03:19,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:03:19,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:03:19,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:03:19,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:03:19,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:03:19,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:03:19,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:03:19,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:03:19,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:03:19,096 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:03:19,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:03:19,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:03:19,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:03:19,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:03:19,097 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:03:19,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:03:19,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:03:19,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:03:19,099 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:03:19,100 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:03:19,100 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_4bf597b8-9f55-4ae7-91bc-7e678040b340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 [2020-11-30 00:03:19,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:03:19,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:03:19,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:03:19,426 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:03:19,427 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:03:19,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2020-11-30 00:03:19,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/data/05c402c63/b352204629eb49faac1dc2521fbd8744/FLAG5d63de613 [2020-11-30 00:03:19,932 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:03:19,932 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2020-11-30 00:03:19,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/data/05c402c63/b352204629eb49faac1dc2521fbd8744/FLAG5d63de613 [2020-11-30 00:03:20,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/data/05c402c63/b352204629eb49faac1dc2521fbd8744 [2020-11-30 00:03:20,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:03:20,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:03:20,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:03:20,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:03:20,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:03:20,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4900e324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20, skipping insertion in model container [2020-11-30 00:03:20,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:03:20,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:03:20,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:03:20,528 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:03:20,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:03:20,559 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:03:20,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20 WrapperNode [2020-11-30 00:03:20,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:03:20,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:03:20,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:03:20,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:03:20,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:03:20,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:03:20,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:03:20,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:03:20,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... [2020-11-30 00:03:20,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:03:20,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:03:20,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:03:20,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:03:20,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:03:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:03:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:03:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-30 00:03:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:03:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:03:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:03:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-30 00:03:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:03:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:03:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:03:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:03:21,042 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:03:21,071 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:03:21,072 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-30 00:03:21,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:21 BoogieIcfgContainer [2020-11-30 00:03:21,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:03:21,075 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:03:21,075 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:03:21,090 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:03:21,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:21,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:03:20" (1/3) ... [2020-11-30 00:03:21,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa6bcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:03:21, skipping insertion in model container [2020-11-30 00:03:21,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:21,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:20" (2/3) ... [2020-11-30 00:03:21,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa6bcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:03:21, skipping insertion in model container [2020-11-30 00:03:21,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:21,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:21" (3/3) ... [2020-11-30 00:03:21,095 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2.1-1.i [2020-11-30 00:03:21,161 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:03:21,162 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:03:21,162 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:03:21,162 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:03:21,162 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:03:21,162 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:03:21,162 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:03:21,163 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:03:21,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-11-30 00:03:21,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-30 00:03:21,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:21,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:21,232 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:03:21,241 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:03:21,241 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:03:21,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-11-30 00:03:21,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-30 00:03:21,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:21,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:21,244 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:03:21,245 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:03:21,253 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#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); 11#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_~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(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true 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, 3);< 17##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr7 := 0; 9#L-1-1true [2020-11-30 00:03:21,254 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 9#L-1-1true [2020-11-30 00:03:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:21,259 INFO L82 PathProgramCache]: Analyzing trace with hash 28738897, now seen corresponding path program 1 times [2020-11-30 00:03:21,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:21,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632228046] [2020-11-30 00:03:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,432 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:21,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:21,434 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2020-11-30 00:03:21,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:21,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439107066] [2020-11-30 00:03:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:21,452 INFO L82 PathProgramCache]: Analyzing trace with hash 890905848, now seen corresponding path program 1 times [2020-11-30 00:03:21,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:21,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087028706] [2020-11-30 00:03:21,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,482 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:21,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:21,522 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:22,254 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-11-30 00:03:22,455 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-30 00:03:22,979 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-11-30 00:03:23,197 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-30 00:03:23,210 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:03:23,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:03:23,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:03:23,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:03:23,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:03:23,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:23,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:03:23,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:03:23,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration1_Lasso [2020-11-30 00:03:23,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:03:23,212 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:03:23,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:23,672 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-11-30 00:03:23,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:24,312 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:03:24,317 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,334 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 [2020-11-30 00:03:24,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,409 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 [2020-11-30 00:03:24,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,467 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 [2020-11-30 00:03:24,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:24,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,563 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 [2020-11-30 00:03:24,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:24,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,621 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:24,664 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 [2020-11-30 00:03:24,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,700 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 [2020-11-30 00:03:24,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,728 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 [2020-11-30 00:03:24,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,764 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 [2020-11-30 00:03:24,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,792 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 [2020-11-30 00:03:24,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:24,852 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 [2020-11-30 00:03:24,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,889 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 [2020-11-30 00:03:24,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:24,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:24,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,924 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 [2020-11-30 00:03:24,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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 [2020-11-30 00:03:24,961 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 [2020-11-30 00:03:24,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:24,991 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 [2020-11-30 00:03:24,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:24,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:24,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:24,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:24,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:24,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:24,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:24,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:25,021 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 [2020-11-30 00:03:25,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:25,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:25,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,055 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 [2020-11-30 00:03:25,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,090 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 [2020-11-30 00:03:25,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,157 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 [2020-11-30 00:03:25,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:25,216 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 [2020-11-30 00:03:25,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:25,272 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 [2020-11-30 00:03:25,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:25,328 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 [2020-11-30 00:03:25,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,330 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-30 00:03:25,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,342 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 00:03:25,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/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) [2020-11-30 00:03:25,403 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 [2020-11-30 00:03:25,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:25,457 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 [2020-11-30 00:03:25,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:25,491 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:25,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,578 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 [2020-11-30 00:03:25,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:25,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:25,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:25,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:25,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:25,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:25,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:03:25,671 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-30 00:03:25,671 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:25,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:03:25,766 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:03:25,766 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:03:25,767 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr7, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr7 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-11-30 00:03:25,845 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2020-11-30 00:03:25,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-30 00:03:25,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:25,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:25,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:25,967 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:25,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:25,996 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 [2020-11-30 00:03:25,997 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 2 states. [2020-11-30 00:03:26,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 2 states. Result 26 states and 35 transitions. Complement of second has 6 states. [2020-11-30 00:03:26,075 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 [2020-11-30 00:03:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-30 00:03:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-11-30 00:03:26,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-30 00:03:26,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-30 00:03:26,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 00:03:26,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 35 transitions. [2020-11-30 00:03:26,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:03:26,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 9 states and 11 transitions. [2020-11-30 00:03:26,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-30 00:03:26,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-30 00:03:26,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-11-30 00:03:26,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:26,099 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-30 00:03:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-11-30 00:03:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-30 00:03:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-30 00:03:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-30 00:03:26,128 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-30 00:03:26,128 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-30 00:03:26,128 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:03:26,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-30 00:03:26,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:03:26,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:26,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:26,130 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:03:26,130 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:03:26,130 INFO L794 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 153#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 154#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 3);< 155##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 157#$Ultimate##0 #t~loopctr7 := 0; 158#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 159#L-1-3 [2020-11-30 00:03:26,130 INFO L796 eck$LassoCheckResult]: Loop: 159#L-1-3 assume #t~loopctr9 < size;#t~loopctr9 := 4 + #t~loopctr9; 159#L-1-3 [2020-11-30 00:03:26,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:26,132 INFO L82 PathProgramCache]: Analyzing trace with hash 890905850, now seen corresponding path program 1 times [2020-11-30 00:03:26,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:26,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549896960] [2020-11-30 00:03:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:26,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549896960] [2020-11-30 00:03:26,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:03:26,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:03:26,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590892504] [2020-11-30 00:03:26,251 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:03:26,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:26,252 INFO L82 PathProgramCache]: Analyzing trace with hash 78, now seen corresponding path program 1 times [2020-11-30 00:03:26,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:26,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061294593] [2020-11-30 00:03:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:26,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:26,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:26,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:26,272 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:03:26,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:03:26,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:03:26,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:03:26,273 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:03:26,273 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:26,273 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:03:26,273 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:03:26,273 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2020-11-30 00:03:26,273 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:03:26,273 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:03:26,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:26,308 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:03:26,308 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:26,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:03:26,314 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:26,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:03:26,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:03:26,503 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:03:26,505 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:03:26,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:03:26,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:03:26,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:03:26,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:03:26,505 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:26,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:03:26,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:03:26,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2020-11-30 00:03:26,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:03:26,506 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:03:26,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:26,536 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:03:26,537 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:26,547 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 [2020-11-30 00:03:26,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:26,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:26,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:26,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:26,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:26,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:26,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:26,554 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:03:26,560 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 00:03:26,560 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_4bf597b8-9f55-4ae7-91bc-7e678040b340/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:26,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:03:26,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-30 00:03:26,568 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:03:26,568 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr9) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr9 Supporting invariants [] Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:26,610 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-30 00:03:26,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-30 00:03:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:26,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:26,674 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:26,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:26,675 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 [2020-11-30 00:03:26,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-30 00:03:26,687 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. [2020-11-30 00:03:26,688 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 [2020-11-30 00:03:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-30 00:03:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-11-30 00:03:26,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-30 00:03:26,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-30 00:03:26,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-30 00:03:26,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:26,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-11-30 00:03:26,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:03:26,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-30 00:03:26,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:03:26,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:03:26,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:03:26,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:26,691 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:26,691 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:03:26,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:03:26,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:03:26,695 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-30 00:03:26,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:03:26,698 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-30 00:03:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:03:26,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-30 00:03:26,698 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:03:26,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:03:26,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:03:26,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:03:26,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:03:26,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:26,699 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:26,699 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:26,699 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:26,699 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:03:26,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:03:26,699 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:03:26,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:03:26,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:03:26 BoogieIcfgContainer [2020-11-30 00:03:26,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:03:26,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:03:26,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:03:26,712 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:03:26,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:21" (3/4) ... [2020-11-30 00:03:26,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:03:26,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:03:26,717 INFO L168 Benchmark]: Toolchain (without parser) took 6389.67 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 89.5 MB in the beginning and 117.9 MB in the end (delta: -28.5 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:26,717 INFO L168 Benchmark]: CDTParser took 1.67 ms. Allocated memory is still 83.9 MB. Free memory was 47.0 MB in the beginning and 47.0 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:26,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.33 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 91.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:26,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.46 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:26,724 INFO L168 Benchmark]: Boogie Preprocessor took 48.56 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:26,725 INFO L168 Benchmark]: RCFGBuilder took 400.18 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 74.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:26,727 INFO L168 Benchmark]: BuchiAutomizer took 5634.34 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 74.0 MB in the beginning and 117.9 MB in the end (delta: -43.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:26,727 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 184.5 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:26,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 ms. Allocated memory is still 83.9 MB. Free memory was 47.0 MB in the beginning and 47.0 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.33 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 91.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.46 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.56 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 400.18 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 74.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5634.34 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 74.0 MB in the beginning and 117.9 MB in the end (delta: -43.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.89 ms. Allocated memory is still 184.5 MB. Free memory is still 117.9 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~loopctr7-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr9-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. 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: inital71 mio100 ax100 hnf100 lsp98 ukn86 mio100 lsp77 div100 bol100 ite100 ukn100 eq175 hnf86 smp100 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms 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...