./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72da1f6907bc4b842c40cca6c3dd762e325d6dec ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:07:21,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:21,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:22,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:22,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:22,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:22,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:22,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:22,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:22,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:22,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:22,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:22,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:22,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:22,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:22,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:22,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:22,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:22,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:22,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:22,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:22,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:22,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:22,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:22,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:22,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:22,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:22,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:22,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:22,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:22,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:22,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:22,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:22,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:22,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:22,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:22,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:22,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:22,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:22,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:22,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:22,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:07:22,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:22,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:22,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:22,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:22,206 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:22,206 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:07:22,207 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:07:22,207 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:07:22,207 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:07:22,207 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:07:22,208 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:07:22,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:22,208 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:22,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:07:22,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:22,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:22,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:22,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:07:22,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:07:22,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:07:22,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:22,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:22,211 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:07:22,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:22,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:07:22,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:22,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:22,212 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:07:22,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:22,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:22,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:22,214 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:07:22,215 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:07:22,215 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_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72da1f6907bc4b842c40cca6c3dd762e325d6dec [2020-11-28 03:07:22,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:22,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:22,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:22,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:22,569 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:22,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-11-28 03:07:22,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/data/39094fb4d/1a994030fdb4424f8546f8766a42c2fb/FLAG208559acc [2020-11-28 03:07:23,209 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:23,211 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-11-28 03:07:23,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/data/39094fb4d/1a994030fdb4424f8546f8766a42c2fb/FLAG208559acc [2020-11-28 03:07:23,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/data/39094fb4d/1a994030fdb4424f8546f8766a42c2fb [2020-11-28 03:07:23,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:23,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:23,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:23,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:23,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:23,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f28d0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23, skipping insertion in model container [2020-11-28 03:07:23,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:23,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:23,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:23,827 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:23,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:23,872 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:23,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23 WrapperNode [2020-11-28 03:07:23,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:23,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:23,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:23,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:23,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:23,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:23,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:23,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:23,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:23,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:23,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:23,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:23,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-28 03:07:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-28 03:07:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-28 03:07:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-28 03:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:07:24,372 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:07:24,430 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:24,431 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 03:07:24,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24 BoogieIcfgContainer [2020-11-28 03:07:24,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:24,434 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:07:24,434 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:07:24,438 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:07:24,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:24,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:07:23" (1/3) ... [2020-11-28 03:07:24,441 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:24, skipping insertion in model container [2020-11-28 03:07:24,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:24,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (2/3) ... [2020-11-28 03:07:24,460 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:24, skipping insertion in model container [2020-11-28 03:07:24,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:24,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24" (3/3) ... [2020-11-28 03:07:24,462 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3.1-1.i [2020-11-28 03:07:24,519 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:07:24,520 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:07:24,520 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:07:24,520 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:24,520 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:24,521 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:07:24,521 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:24,530 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:07:24,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-28 03:07:24,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-28 03:07:24,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:24,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:24,606 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:07:24,607 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:07:24,607 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:07:24,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-11-28 03:07:24,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-28 03:07:24,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:24,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:24,612 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:07:24,612 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:07:24,620 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 18#L41true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 10##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr9 := 0; 19#L-1-1true [2020-11-28 03:07:24,620 INFO L796 eck$LassoCheckResult]: Loop: 19#L-1-1true assume #t~loopctr9 < size;call #t~mem10 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 1);call write~unchecked~int(#t~mem10, dest.base, dest.offset + #t~loopctr9, 1);call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 1 + #t~loopctr9; 19#L-1-1true [2020-11-28 03:07:24,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:24,632 INFO L82 PathProgramCache]: Analyzing trace with hash 28752799, now seen corresponding path program 1 times [2020-11-28 03:07:24,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:24,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389881384] [2020-11-28 03:07:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,810 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,836 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:24,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:24,838 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times [2020-11-28 03:07:24,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:24,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404392449] [2020-11-28 03:07:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:24,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:24,863 INFO L82 PathProgramCache]: Analyzing trace with hash 891336824, now seen corresponding path program 1 times [2020-11-28 03:07:24,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:24,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645859690] [2020-11-28 03:07:24,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:24,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:24,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:25,512 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-11-28 03:07:25,665 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-28 03:07:26,075 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-11-28 03:07:26,200 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-28 03:07:26,213 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:26,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:26,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:26,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:26,215 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:07:26,216 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:26,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:26,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:26,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration1_Lasso [2020-11-28 03:07:26,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:26,217 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:26,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,582 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-11-28 03:07:26,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:26,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:27,213 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:27,219 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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 [2020-11-28 03:07:27,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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) [2020-11-28 03:07:27,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,414 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 [2020-11-28 03:07:27,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:07:27,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:07:27,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:27,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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) [2020-11-28 03:07:27,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,567 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 [2020-11-28 03:07:27,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:27,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:27,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:27,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:07:27,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:07:27,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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) [2020-11-28 03:07:27,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:27,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:27,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:27,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:27,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:27,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:07:27,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:27,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:28,020 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:28,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:28,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:28,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:28,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:28,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:07:28,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:07:28,056 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:07:28,272 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-11-28 03:07:28,272 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:28,316 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:28,320 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:07:28,321 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:07:28,321 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr9, v_rep(select #length #Ultimate.C_memcpy_dest.base)_1) = -1*#Ultimate.C_memcpy_#t~loopctr9 + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 Supporting invariants [-1*#Ultimate.C_memcpy_size + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 >= 0] [2020-11-28 03:07:28,388 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-11-28 03:07:28,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:07:28,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable dest [2020-11-28 03:07:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:28,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:07:28,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:28,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:07:28,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:28,557 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-11-28 03:07:28,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states. Second operand 3 states. [2020-11-28 03:07:28,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states.. Second operand 3 states. Result 30 states and 41 transitions. Complement of second has 7 states. [2020-11-28 03:07:28,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:07:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:07:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-11-28 03:07:28,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-28 03:07:28,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:28,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-28 03:07:28,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:28,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:07:28,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:28,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-11-28 03:07:28,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:07:28,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2020-11-28 03:07:28,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-28 03:07:28,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-28 03:07:28,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-11-28 03:07:28,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:28,702 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-28 03:07:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-11-28 03:07:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-28 03:07:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:07:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-28 03:07:28,727 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-28 03:07:28,727 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-28 03:07:28,728 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:07:28,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-28 03:07:28,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:07:28,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:28,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:28,729 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:07:28,729 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:07:28,729 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 128#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 129#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 134##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 131#$Ultimate##0 #t~loopctr9 := 0; 132#L-1-1 assume !(#t~loopctr9 < size);#t~loopctr12 := 0; 133#L-1-3 [2020-11-28 03:07:28,729 INFO L796 eck$LassoCheckResult]: Loop: 133#L-1-3 assume #t~loopctr12 < size;#t~loopctr12 := 4 + #t~loopctr12; 133#L-1-3 [2020-11-28 03:07:28,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:28,730 INFO L82 PathProgramCache]: Analyzing trace with hash 891336826, now seen corresponding path program 1 times [2020-11-28 03:07:28,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:28,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382206003] [2020-11-28 03:07:28,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:28,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382206003] [2020-11-28 03:07:28,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:28,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:28,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994512266] [2020-11-28 03:07:28,810 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:07:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:28,811 INFO L82 PathProgramCache]: Analyzing trace with hash 92, now seen corresponding path program 1 times [2020-11-28 03:07:28,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:28,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803037110] [2020-11-28 03:07:28,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:28,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:28,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:28,820 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:28,832 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:28,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:28,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:28,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:28,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:07:28,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:28,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:28,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:28,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-11-28 03:07:28,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:28,833 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:28,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:28,861 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:28,862 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:28,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:07:28,905 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:28,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:07:28,945 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:29,061 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:07:29,063 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:29,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:29,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:29,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:29,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:07:29,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:29,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:29,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:29,063 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-11-28 03:07:29,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:29,064 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:29,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:29,114 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:29,114 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/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 [2020-11-28 03:07:29,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:29,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:29,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:29,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:29,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:29,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:29,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:29,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:07:29,141 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:07:29,156 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 03:07:29,156 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_4ba198e2-7d20-4fb4-adba-d2b0eea9cdb9/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:29,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:07:29,165 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:07:29,165 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:07:29,165 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr12) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr12 Supporting invariants [] Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:29,207 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:07:29,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-28 03:07:29,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:29,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:07:29,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:29,284 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:07:29,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:29,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-28 03:07:29,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-28 03:07:29,294 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-11-28 03:07:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-11-28 03:07:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:07:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-11-28 03:07:29,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-28 03:07:29,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:29,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-28 03:07:29,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:29,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:07:29,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:29,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-11-28 03:07:29,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:29,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-28 03:07:29,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:29,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:29,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:29,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:29,298 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:29,298 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:29,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:29,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:07:29,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:07:29,306 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-28 03:07:29,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:29,310 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:07:29,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:07:29,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:07:29,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:29,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:29,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:29,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:29,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:29,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:29,311 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:29,311 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:29,311 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:29,312 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:07:29,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:29,312 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:29,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:07:29,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:07:29 BoogieIcfgContainer [2020-11-28 03:07:29,320 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:07:29,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:29,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:29,323 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:29,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24" (3/4) ... [2020-11-28 03:07:29,328 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:07:29,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:29,331 INFO L168 Benchmark]: Toolchain (without parser) took 5759.18 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 59.7 MB in the beginning and 51.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:29,338 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 88.1 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 16.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:29,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.86 ms. Allocated memory is still 88.1 MB. Free memory was 59.5 MB in the beginning and 65.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:29,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.10 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:29,340 INFO L168 Benchmark]: Boogie Preprocessor took 33.08 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 62.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:29,341 INFO L168 Benchmark]: RCFGBuilder took 481.34 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 47.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:29,342 INFO L168 Benchmark]: BuchiAutomizer took 4885.52 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 47.0 MB in the beginning and 51.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:29,346 INFO L168 Benchmark]: Witness Printer took 6.07 ms. Allocated memory is still 134.2 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:29,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 88.1 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 16.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 297.86 ms. Allocated memory is still 88.1 MB. Free memory was 59.5 MB in the beginning and 65.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.10 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.08 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 62.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 481.34 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 47.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4885.52 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 47.0 MB in the beginning and 51.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.07 ms. Allocated memory is still 134.2 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable dest - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr9-aux + unknown-#length-unknown[dest] and consists of 4 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr12-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp98 ukn84 mio100 lsp82 div100 bol100 ite100 ukn100 eq167 hnf86 smp96 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...