./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.c --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_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 dac6403f37599f80fd46825f02fd0972bc86095b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:04:37,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:37,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:37,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:37,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:37,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:37,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:37,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:37,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:37,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:37,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:37,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:37,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:37,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:37,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:37,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:37,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:37,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:37,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:37,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:37,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:37,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:37,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:37,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:37,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:37,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:37,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:37,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:37,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:37,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:37,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:37,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:37,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:37,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:37,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:37,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:37,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:37,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:37,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:37,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:37,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:37,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:04:37,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:37,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:37,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:37,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:37,951 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:37,952 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:04:37,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:04:37,952 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:04:37,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:04:37,953 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:04:37,953 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:04:37,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:37,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:04:37,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:04:37,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:37,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:04:37,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:37,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:04:37,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:04:37,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:04:37,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:04:37,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:04:37,956 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:04:37,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:37,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:04:37,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:37,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:37,957 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:04:37,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:37,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:04:37,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:37,958 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:04:37,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:04:37,960 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_c400825b-e46b-48a5-9ee9-c73800a5868a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac6403f37599f80fd46825f02fd0972bc86095b [2020-11-28 03:04:38,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:38,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:38,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:38,248 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:38,249 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:38,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test24-1.c [2020-11-28 03:04:38,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/data/cce3f9afa/5b218412aa4243b3a936a534c0fd1b9c/FLAGb57355209 [2020-11-28 03:04:38,845 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:38,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/sv-benchmarks/c/ldv-regression/test24-1.c [2020-11-28 03:04:38,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/data/cce3f9afa/5b218412aa4243b3a936a534c0fd1b9c/FLAGb57355209 [2020-11-28 03:04:39,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/data/cce3f9afa/5b218412aa4243b3a936a534c0fd1b9c [2020-11-28 03:04:39,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:39,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:04:39,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:39,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:39,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:39,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dce18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39, skipping insertion in model container [2020-11-28 03:04:39,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:39,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:39,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:39,509 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:04:39,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:39,545 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:04:39,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39 WrapperNode [2020-11-28 03:04:39,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:39,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:39,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:04:39,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:04:39,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:39,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:04:39,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:04:39,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:04:39,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... [2020-11-28 03:04:39,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:04:39,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:04:39,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:04:39,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:04:39,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:04:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:04:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:04:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:04:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:04:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:04:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:04:40,167 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:04:40,169 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:04:40,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:40 BoogieIcfgContainer [2020-11-28 03:04:40,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:04:40,173 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:04:40,173 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:04:40,178 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:04:40,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:40,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:04:39" (1/3) ... [2020-11-28 03:04:40,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@543e9949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:40, skipping insertion in model container [2020-11-28 03:04:40,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:40,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:39" (2/3) ... [2020-11-28 03:04:40,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@543e9949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:40, skipping insertion in model container [2020-11-28 03:04:40,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:40,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:40" (3/3) ... [2020-11-28 03:04:40,185 INFO L373 chiAutomizerObserver]: Analyzing ICFG test24-1.c [2020-11-28 03:04:40,248 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:04:40,248 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:04:40,249 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:04:40,249 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:04:40,249 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:04:40,249 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:04:40,249 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:04:40,250 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:04:40,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:04:40,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:04:40,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:40,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:40,305 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:04:40,305 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:04:40,305 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:04:40,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:04:40,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:04:40,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:40,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:40,308 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:04:40,308 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:04:40,317 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~mem9, main_#t~pre11, main_#t~mem10, main_#t~ret12, main_~#ad1~0.base, main_~#ad1~0.offset, main_~ad2~0.base, main_~ad2~0.offset, main_~i~0, main_~pa~0.base, main_~pa~0.offset;call main_~#ad1~0.base, main_~#ad1~0.offset := #Ultimate.allocOnStack(80);havoc main_~ad2~0.base, main_~ad2~0.offset;havoc main_~i~0;havoc main_~pa~0.base, main_~pa~0.offset;main_~i~0 := main_#t~nondet8;havoc main_#t~nondet8; 10#L23true assume main_~i~0 >= 0 && main_~i~0 < 10;main_~ad2~0.base, main_~ad2~0.offset := main_~#ad1~0.base, main_~#ad1~0.offset;call write~int(main_~i~0, main_~#ad1~0.base, main_~#ad1~0.offset + 8 * main_~i~0, 4);main_~pa~0.base, main_~pa~0.offset := main_~#ad1~0.base, main_~#ad1~0.offset + 8 * main_~i~0;call main_#t~mem9 := read~int(main_~ad2~0.base, main_~ad2~0.offset + 8 * main_~i~0, 4);main_~i~0 := main_#t~mem9 - 10;havoc main_#t~mem9; 16#L28-3true [2020-11-28 03:04:40,317 INFO L796 eck$LassoCheckResult]: Loop: 16#L28-3true call main_#t~mem10 := read~int(main_~pa~0.base, main_~pa~0.offset, 4); 3#L28-1true assume !!(main_~i~0 < main_#t~mem10);havoc main_#t~mem10;main_#t~pre11 := 1 + main_~i~0;main_~i~0 := 1 + main_~i~0;havoc main_#t~pre11; 16#L28-3true [2020-11-28 03:04:40,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:40,324 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-11-28 03:04:40,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:40,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065215242] [2020-11-28 03:04:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,511 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:40,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2020-11-28 03:04:40,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:40,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931445718] [2020-11-28 03:04:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,523 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,533 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:40,535 INFO L82 PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times [2020-11-28 03:04:40,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:40,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556357510] [2020-11-28 03:04:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:40,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:40,645 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:41,257 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2020-11-28 03:04:41,526 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-28 03:04:41,540 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:41,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:41,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:41,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:41,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:41,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:41,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:41,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:41,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso [2020-11-28 03:04:41,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:41,543 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:41,571 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 03:04:41,581 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 03:04:41,585 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 03:04:41,591 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 03:04:41,600 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 03:04:41,607 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 03:04:41,611 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 03:04:41,616 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 03:04:41,628 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 03:04:41,633 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 03:04:42,165 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-11-28 03:04:42,281 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 03:04:42,773 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-11-28 03:04:42,904 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-28 03:04:43,231 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:43,236 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:43,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,303 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 03:04:43,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:43,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,335 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 03:04:43,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:43,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,366 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 03:04:43,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,433 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 03:04:43,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:43,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,465 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 03:04:43,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:43,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,505 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 03:04:43,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,557 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 03:04:43,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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) [2020-11-28 03:04:43,625 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 03:04:43,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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) [2020-11-28 03:04:43,681 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 03:04:43,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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) [2020-11-28 03:04:43,758 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 03:04:43,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,800 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 03:04:43,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,865 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 03:04:43,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:43,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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) [2020-11-28 03:04:43,935 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 03:04:43,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:43,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:43,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:43,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:43,987 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 03:04:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:43,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:43,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:43,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:43,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:43,994 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 03:04:43,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,050 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 03:04:44,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:44,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:44,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:44,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:44,119 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 03:04:44,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:44,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:44,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:44,182 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 03:04:44,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:44,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:44,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:44,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,244 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 03:04:44,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:44,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:44,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:44,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:44,316 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 03:04:44,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:44,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:44,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/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 03:04:44,372 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 03:04:44,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:44,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:44,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:44,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:44,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:44,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:04:44,669 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-28 03:04:44,669 INFO L444 ModelExtractionUtils]: 18 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c400825b-e46b-48a5-9ee9-c73800a5868a/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:44,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:04:44,676 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:04:44,677 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:04:44,678 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-11-28 03:04:44,880 INFO L297 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2020-11-28 03:04:44,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:04:44,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:44,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:04:44,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:44,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:04:44,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:44,997 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 03:04:45,020 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:04:45,021 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-28 03:04:45,081 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 36 states and 40 transitions. Complement of second has 7 states. [2020-11-28 03:04:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:04:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:04:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-11-28 03:04:45,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-28 03:04:45,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:45,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:04:45,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:45,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-28 03:04:45,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:45,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2020-11-28 03:04:45,091 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:04:45,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2020-11-28 03:04:45,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:04:45,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:04:45,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:04:45,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:04:45,096 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:45,096 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:45,096 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:45,096 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:04:45,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:04:45,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:04:45,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:04:45,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:04:45 BoogieIcfgContainer [2020-11-28 03:04:45,102 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:04:45,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:04:45,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:04:45,103 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:04:45,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:40" (3/4) ... [2020-11-28 03:04:45,107 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:04:45,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:04:45,109 INFO L168 Benchmark]: Toolchain (without parser) took 5875.80 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 62.0 MB in the beginning and 65.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:45,109 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:45,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.58 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 69.7 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:45,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.31 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:45,112 INFO L168 Benchmark]: Boogie Preprocessor took 26.38 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 67.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:45,112 INFO L168 Benchmark]: RCFGBuilder took 557.01 ms. Allocated memory is still 92.3 MB. Free memory was 67.1 MB in the beginning and 54.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:45,113 INFO L168 Benchmark]: BuchiAutomizer took 4928.51 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 66.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:45,114 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 115.3 MB. Free memory was 66.8 MB in the beginning and 65.8 MB in the end (delta: 996.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:45,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.58 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 69.7 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.31 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.38 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 67.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 557.01 ms. Allocated memory is still 92.3 MB. Free memory was 67.1 MB in the beginning and 54.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4928.51 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 66.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.68 ms. Allocated memory is still 115.3 MB. Free memory was 66.8 MB in the beginning and 65.8 MB in the end (delta: 996.6 kB). 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 #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[pa][pa] + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax100 hnf100 lsp95 ukn86 mio100 lsp68 div141 bol100 ite100 ukn100 eq142 hnf57 smp90 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...