./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa --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 ae9ddd4d1a773404c3b608e065785029116017ed4a7aa9eefa9f9dc9ab8104a6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:53:46,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:53:46,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:53:46,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:53:46,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:53:46,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:53:46,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:53:46,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:53:46,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:53:46,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:53:46,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:53:46,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:53:46,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:53:46,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:53:46,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:53:46,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:53:46,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:53:46,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:53:46,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:53:46,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:53:46,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:53:46,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:53:46,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:53:46,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:53:46,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:53:46,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:53:46,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:53:46,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:53:46,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:53:46,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:53:46,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:53:46,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:53:46,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:53:46,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:53:46,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:53:46,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:53:46,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:53:46,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:53:46,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:53:46,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:53:46,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:53:46,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-07 00:53:46,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:53:46,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:53:46,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:53:46,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:53:46,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:53:46,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:53:46,169 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:53:46,169 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:53:46,169 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:53:46,170 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:53:46,170 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:53:46,170 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:53:46,170 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:53:46,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:53:46,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:53:46,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:53:46,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:53:46,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:53:46,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:53:46,172 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:53:46,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:53:46,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:53:46,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:53:46,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:53:46,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:53:46,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:53:46,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:53:46,175 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:53:46,175 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_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae9ddd4d1a773404c3b608e065785029116017ed4a7aa9eefa9f9dc9ab8104a6 [2021-12-07 00:53:46,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:53:46,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:53:46,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:53:46,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:53:46,376 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:53:46,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loop-acceleration/array_1-1.c [2021-12-07 00:53:46,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/data/008fd2107/a7dbfab322e546d7a635c4ff3070734a/FLAG10d3be68e [2021-12-07 00:53:46,780 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:53:46,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/sv-benchmarks/c/loop-acceleration/array_1-1.c [2021-12-07 00:53:46,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/data/008fd2107/a7dbfab322e546d7a635c4ff3070734a/FLAG10d3be68e [2021-12-07 00:53:46,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/data/008fd2107/a7dbfab322e546d7a635c4ff3070734a [2021-12-07 00:53:46,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:53:46,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:53:46,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:53:46,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:53:46,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:53:46,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e7b34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46, skipping insertion in model container [2021-12-07 00:53:46,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:53:46,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:53:46,922 WARN L230 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_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/sv-benchmarks/c/loop-acceleration/array_1-1.c[321,334] [2021-12-07 00:53:46,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:53:46,938 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:53:46,946 WARN L230 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_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/sv-benchmarks/c/loop-acceleration/array_1-1.c[321,334] [2021-12-07 00:53:46,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:53:46,959 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:53:46,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46 WrapperNode [2021-12-07 00:53:46,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:53:46,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:53:46,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:53:46,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:53:46,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,986 INFO L137 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-12-07 00:53:46,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:53:46,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:53:46,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:53:46,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:53:46,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:46,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:47,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:47,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:47,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:47,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:53:47,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:53:47,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:53:47,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:53:47,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (1/1) ... [2021-12-07 00:53:47,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:47,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:47,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:53:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:53:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:53:47,129 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:53:47,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:53:47,204 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:53:47,210 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:53:47,210 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:53:47,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:47 BoogieIcfgContainer [2021-12-07 00:53:47,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:53:47,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:53:47,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:53:47,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:53:47,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:47,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:53:46" (1/3) ... [2021-12-07 00:53:47,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68767029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:53:47, skipping insertion in model container [2021-12-07 00:53:47,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:47,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:46" (2/3) ... [2021-12-07 00:53:47,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68767029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:53:47, skipping insertion in model container [2021-12-07 00:53:47,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:47,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:47" (3/3) ... [2021-12-07 00:53:47,220 INFO L388 chiAutomizerObserver]: Analyzing ICFG array_1-1.c [2021-12-07 00:53:47,261 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:53:47,262 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:53:47,262 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:53:47,262 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:53:47,262 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:53:47,262 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:53:47,262 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:53:47,262 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:53:47,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:47,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:53:47,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:47,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:47,291 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:53:47,291 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:53:47,291 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:53:47,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:47,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:53:47,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:47,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:47,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:53:47,293 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:53:47,298 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_#t~mem5#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0#1;main_~i~0#1 := 0; 7#L16-3true [2021-12-07 00:53:47,298 INFO L793 eck$LassoCheckResult]: Loop: 7#L16-3true assume !!(main_~i~0#1 < 1024);call write~int(main_~i~0#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 8#L16-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7#L16-3true [2021-12-07 00:53:47,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:47,302 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 00:53:47,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:47,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766895064] [2021-12-07 00:53:47,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:47,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,379 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:47,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-07 00:53:47,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:47,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964027469] [2021-12-07 00:53:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:47,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,413 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,420 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:47,422 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-07 00:53:47,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:47,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142995081] [2021-12-07 00:53:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:47,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,441 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:47,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:47,697 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:53:47,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:53:47,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:53:47,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:53:47,698 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:53:47,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:47,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:53:47,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:53:47,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_1-1.c_Iteration1_Lasso [2021-12-07 00:53:47,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:53:47,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:53:47,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:47,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:53:47,989 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:53:47,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:47,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:47,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:53:47,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:53:48,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:53:48,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:53:48,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:53:48,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:53:48,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:53:48,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:53:48,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:53:48,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:53:48,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:53:48,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:53:48,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:53:48,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:53:48,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:53:48,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:53:48,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:53:48,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:53:48,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:53:48,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:53:48,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,267 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:53:48,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:53:48,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:53:48,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:53:48,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:53:48,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:53:48,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:53:48,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:53:48,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:53:48,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:53:48,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:53:48,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:53:48,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:53:48,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:53:48,382 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-07 00:53:48,382 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-07 00:53:48,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:48,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:48,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:53:48,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:53:48,396 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:53:48,396 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:53:48,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 2047*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-07 00:53:48,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:53:48,436 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-07 00:53:48,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:48,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:53:48,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:53:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:48,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:53:48,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:53:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:53:48,539 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 [2021-12-07 00:53:48,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:48,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 8 states. [2021-12-07 00:53:48,577 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 [2021-12-07 00:53:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-12-07 00:53:48,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-07 00:53:48,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:53:48,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-07 00:53:48,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:53:48,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-07 00:53:48,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:53:48,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-12-07 00:53:48,591 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:53:48,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:53:48,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:53:48,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:53:48,594 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:53:48,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:53:48,594 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:53:48,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:53:48,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:53:48 BoogieIcfgContainer [2021-12-07 00:53:48,599 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:53:48,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:53:48,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:53:48,600 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:53:48,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:47" (3/4) ... [2021-12-07 00:53:48,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:53:48,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:53:48,602 INFO L158 Benchmark]: Toolchain (without parser) took 1804.86ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 93.6MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:53:48,603 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:53:48,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.82ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 96.4MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:53:48,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.15ms. Allocated memory is still 119.5MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:53:48,604 INFO L158 Benchmark]: Boogie Preprocessor took 21.44ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:53:48,604 INFO L158 Benchmark]: RCFGBuilder took 203.02ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 84.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:53:48,605 INFO L158 Benchmark]: BuchiAutomizer took 1386.28ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 93.6MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:53:48,605 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:53:48,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.82ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 96.4MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.15ms. Allocated memory is still 119.5MB. Free memory was 96.4MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.44ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 203.02ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 84.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1386.28ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 93.6MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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 -8 * i + 2047 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics [2021-12-07 00:53:48,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital131 mio100 ax100 hnf100 lsp95 ukn83 mio100 lsp36 div100 bol100 ite100 ukn100 eq157 hnf93 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 2 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! [2021-12-07 00:53:48,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dc0c22-9863-4db5-a8fb-b0b2bd193c1e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE