./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:19:54,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:54,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:54,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:54,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:55,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:55,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:55,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:55,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:55,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:55,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:55,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:55,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:55,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:55,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:55,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:55,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:55,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:55,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:55,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:55,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:55,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:55,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:55,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:55,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:55,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:55,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:55,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:55,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:55,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:55,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:55,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:55,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:55,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:55,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:55,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:55,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:55,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:55,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:55,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:55,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:55,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:19:55,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:55,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:55,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:55,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:55,144 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:55,144 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:19:55,144 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:19:55,145 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:19:55,145 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:19:55,145 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:19:55,146 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:19:55,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:55,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:55,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:19:55,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:55,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:55,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:55,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:19:55,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:19:55,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:19:55,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:55,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:55,149 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:19:55,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:55,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:19:55,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:55,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:55,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:55,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:55,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:55,153 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:19:55,153 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_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac6403f37599f80fd46825f02fd0972bc86095b [2021-10-11 00:19:55,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:19:55,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:19:55,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:19:55,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:19:55,474 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:19:55,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-regression/test24-1.c [2021-10-11 00:19:55,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/data/ab6076e8f/586b36f8eece40668e5161cbfea51906/FLAG030ab0647 [2021-10-11 00:19:56,119 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:19:56,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/sv-benchmarks/c/ldv-regression/test24-1.c [2021-10-11 00:19:56,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/data/ab6076e8f/586b36f8eece40668e5161cbfea51906/FLAG030ab0647 [2021-10-11 00:19:56,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/data/ab6076e8f/586b36f8eece40668e5161cbfea51906 [2021-10-11 00:19:56,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:19:56,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:19:56,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:56,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:19:56,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:19:56,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a70466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56, skipping insertion in model container [2021-10-11 00:19:56,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:19:56,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:19:56,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-10-11 00:19:56,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:56,757 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:19:56,773 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-10-11 00:19:56,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:56,789 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:19:56,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56 WrapperNode [2021-10-11 00:19:56,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:56,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:56,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:19:56,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:19:56,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:56,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:19:56,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:19:56,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:19:56,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:19:56,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:19:56,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:19:56,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:19:56,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:19:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:19:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:19:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:19:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:19:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:19:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:19:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:19:57,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:19:57,173 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:19:57,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:57 BoogieIcfgContainer [2021-10-11 00:19:57,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:19:57,177 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:19:57,177 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:19:57,180 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:19:57,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:57,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:19:56" (1/3) ... [2021-10-11 00:19:57,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b6ba1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:19:57, skipping insertion in model container [2021-10-11 00:19:57,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:57,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56" (2/3) ... [2021-10-11 00:19:57,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b6ba1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:19:57, skipping insertion in model container [2021-10-11 00:19:57,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:57,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:57" (3/3) ... [2021-10-11 00:19:57,186 INFO L389 chiAutomizerObserver]: Analyzing ICFG test24-1.c [2021-10-11 00:19:57,234 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:19:57,234 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:19:57,234 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:19:57,234 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:19:57,234 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:19:57,235 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:19:57,235 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:19:57,235 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:19:57,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2021-10-11 00:19:57,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:19:57,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:19:57,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:19:57,280 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-11 00:19:57,281 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:19:57,281 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:19:57,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2021-10-11 00:19:57,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:19:57,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:19:57,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:19:57,284 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-11 00:19:57,284 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:19:57,297 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; 15#L28-3true [2021-10-11 00:19:57,297 INFO L796 eck$LassoCheckResult]: Loop: 15#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; 15#L28-3true [2021-10-11 00:19:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:57,304 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-11 00:19:57,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:57,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872738884] [2021-10-11 00:19:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,487 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:19:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:57,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-10-11 00:19:57,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:57,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46853139] [2021-10-11 00:19:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,505 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:19:57,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times [2021-10-11 00:19:57,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:57,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786889516] [2021-10-11 00:19:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:57,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:57,572 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:19:58,112 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2021-10-11 00:19:58,336 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-10-11 00:19:58,348 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:19:58,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:19:58,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:19:58,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:19:58,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:19:58,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:58,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:19:58,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:19:58,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso [2021-10-11 00:19:58,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:19:58,352 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:19:58,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:58,903 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-10-11 00:19:58,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:59,233 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2021-10-11 00:19:59,569 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:19:59,574 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:59,589 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 [2021-10-11 00:19:59,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:19:59,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:59,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:59,653 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 [2021-10-11 00:19:59,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:19:59,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:19:59,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:59,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:19:59,702 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 [2021-10-11 00:19:59,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:19:59,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:19:59,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:19:59,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:19:59,734 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 [2021-10-11 00:19:59,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:19:59,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:19:59,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:59,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:19:59,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:19:59,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:19:59,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:59,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:59,866 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 [2021-10-11 00:19:59,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:19:59,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:19:59,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:59,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:19:59,900 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 [2021-10-11 00:19:59,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:19:59,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:19:59,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:19:59,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:19:59,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:59,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:59,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:59,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:59,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:19:59,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:19:59,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,020 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 [2021-10-11 00:20:00,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:00,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:00,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:00,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,046 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 [2021-10-11 00:20:00,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:00,129 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 [2021-10-11 00:20:00,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,134 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 [2021-10-11 00:20:00,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:20:00,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,207 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 [2021-10-11 00:20:00,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,263 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 [2021-10-11 00:20:00,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:00,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:00,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:00,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:00,292 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 [2021-10-11 00:20:00,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:00,364 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 [2021-10-11 00:20:00,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:00,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:00,432 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 [2021-10-11 00:20:00,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:00,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:00,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:00,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:00,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:00,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:00,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:00,557 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-11 00:20:00,558 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0aee39e-06b4-428f-83c9-951559d146a3/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:00,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:00,626 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:20:00,627 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:00,627 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 [] [2021-10-11 00:20:00,743 INFO L297 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2021-10-11 00:20:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:00,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:00,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:00,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:20:00,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:00,862 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 [2021-10-11 00:20:00,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2021-10-11 00:20:00,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 35 states and 39 transitions. Complement of second has 7 states. [2021-10-11 00:20:00,922 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 [2021-10-11 00:20:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:20:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-10-11 00:20:00,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-11 00:20:00,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:00,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-11 00:20:00,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:00,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-11 00:20:00,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:00,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 39 transitions. [2021-10-11 00:20:00,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:00,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-10-11 00:20:00,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:20:00,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:20:00,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:20:00,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:00,936 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:00,936 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:00,936 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:00,936 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:20:00,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:00,936 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:00,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:20:00,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:00 BoogieIcfgContainer [2021-10-11 00:20:00,942 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:20:00,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:00,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:00,942 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:00,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:57" (3/4) ... [2021-10-11 00:20:00,946 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:20:00,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:00,947 INFO L168 Benchmark]: Toolchain (without parser) took 4441.91 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 51.1 MB in the beginning and 61.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:00,948 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 34.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:00,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.21 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 58.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:00,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 81.8 MB. Free memory was 58.9 MB in the beginning and 57.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:00,950 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 81.8 MB. Free memory was 57.3 MB in the beginning and 56.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:00,950 INFO L168 Benchmark]: RCFGBuilder took 322.84 ms. Allocated memory is still 81.8 MB. Free memory was 56.2 MB in the beginning and 43.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:00,951 INFO L168 Benchmark]: BuchiAutomizer took 3765.14 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 42.9 MB in the beginning and 61.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:00,951 INFO L168 Benchmark]: Witness Printer took 4.03 ms. Allocated memory is still 119.5 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:00,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 34.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.21 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 58.9 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 36.19 ms. Allocated memory is still 81.8 MB. Free memory was 58.9 MB in the beginning and 57.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 81.8 MB. Free memory was 57.3 MB in the beginning and 56.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 322.84 ms. Allocated memory is still 81.8 MB. Free memory was 56.2 MB in the beginning and 43.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3765.14 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 42.9 MB in the beginning and 61.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.03 ms. Allocated memory is still 119.5 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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: inital244 mio100 ax100 hnf100 lsp95 ukn91 mio100 lsp70 div134 bol100 ite100 ukn100 eq143 hnf52 smp89 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms 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...