./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU --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 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:52:49,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:52:49,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:52:49,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:52:49,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:52:49,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:52:49,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:52:49,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:52:49,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:52:49,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:52:49,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:52:49,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:52:49,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:52:49,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:52:49,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:52:49,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:52:49,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:52:49,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:52:49,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:52:49,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:52:49,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:52:49,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:52:49,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:52:49,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:52:49,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:52:49,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:52:49,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:52:49,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:52:49,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:52:49,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:52:49,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:52:49,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:52:49,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:52:49,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:52:49,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:52:49,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:52:49,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:52:49,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:52:49,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:52:49,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:52:49,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:52:49,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:52:49,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:52:49,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:52:49,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:52:49,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:52:49,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:52:49,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:52:49,405 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:52:49,406 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:52:49,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:52:49,406 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:52:49,407 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:52:49,407 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:52:49,407 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:52:49,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:52:49,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:52:49,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:52:49,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:52:49,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:52:49,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:52:49,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:52:49,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:52:49,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:52:49,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:52:49,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:52:49,410 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:52:49,410 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:52:49,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:52:49,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:52:49,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:52:49,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:52:49,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:52:49,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:52:49,413 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:52:49,413 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_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e [2021-11-02 22:52:49,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:52:49,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:52:49,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:52:49,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:52:49,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:52:49,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/loops/terminator_01.c [2021-11-02 22:52:49,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/data/e5282c266/26ebad6e1a7b40e987aceead4c07e1a0/FLAGede4e972e [2021-11-02 22:52:50,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:52:50,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/sv-benchmarks/c/loops/terminator_01.c [2021-11-02 22:52:50,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/data/e5282c266/26ebad6e1a7b40e987aceead4c07e1a0/FLAGede4e972e [2021-11-02 22:52:50,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/data/e5282c266/26ebad6e1a7b40e987aceead4c07e1a0 [2021-11-02 22:52:50,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:52:50,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:52:50,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:52:50,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:52:50,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:52:50,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:52:50" (1/1) ... [2021-11-02 22:52:50,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e82b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:50, skipping insertion in model container [2021-11-02 22:52:50,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:52:50" (1/1) ... [2021-11-02 22:52:50,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:52:50,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:52:51,033 WARN L228 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_6e80fef0-a981-42d4-bb23-b1a20265d4dd/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-11-02 22:52:51,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:52:51,065 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:52:51,085 WARN L228 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_6e80fef0-a981-42d4-bb23-b1a20265d4dd/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-11-02 22:52:51,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:52:51,109 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:52:51,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51 WrapperNode [2021-11-02 22:52:51,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:52:51,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:52:51,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:52:51,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:52:51,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:52:51,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:52:51,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:52:51,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:52:51,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:52:51,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:52:51,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:52:51,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:52:51,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (1/1) ... [2021-11-02 22:52:51,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:51,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:51,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:51,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:52:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:52:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:52:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:52:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:52:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:52:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:52:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:52:51,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:52:51,596 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-02 22:52:51,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:52:51 BoogieIcfgContainer [2021-11-02 22:52:51,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:52:51,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:52:51,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:52:51,604 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:52:51,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:52:51,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:52:50" (1/3) ... [2021-11-02 22:52:51,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eeb07dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:52:51, skipping insertion in model container [2021-11-02 22:52:51,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:52:51,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:52:51" (2/3) ... [2021-11-02 22:52:51,609 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eeb07dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:52:51, skipping insertion in model container [2021-11-02 22:52:51,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:52:51,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:52:51" (3/3) ... [2021-11-02 22:52:51,611 INFO L389 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2021-11-02 22:52:51,663 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:52:51,663 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:52:51,664 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:52:51,664 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:52:51,664 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:52:51,664 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:52:51,664 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:52:51,665 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:52:51,687 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) [2021-11-02 22:52:51,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-02 22:52:51,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:52:51,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:52:51,717 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:52:51,718 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:52:51,718 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:52:51,718 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) [2021-11-02 22:52:51,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-02 22:52:51,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:52:51,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:52:51,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:52:51,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:52:51,730 INFO L791 eck$LassoCheckResult]: Stem: 4#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(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~mem9, main_#t~post10, main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet7, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet7;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 8#L18-3true [2021-11-02 22:52:51,731 INFO L793 eck$LassoCheckResult]: Loop: 8#L18-3true call main_#t~mem8 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 5#L18-1true assume !!(main_#t~mem8 < 100);havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 8#L18-3true [2021-11-02 22:52:51,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:52:51,741 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-02 22:52:51,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:52:51,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25933004] [2021-11-02 22:52:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:52:51,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:52:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:51,909 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:52:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:51,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:52:51,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:52:51,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-11-02 22:52:51,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:52:51,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478967138] [2021-11-02 22:52:51,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:52:52,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:52:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:52,015 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:52:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:52,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:52:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:52:52,043 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-02 22:52:52,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:52:52,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350232330] [2021-11-02 22:52:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:52:52,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:52:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:52,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:52:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:52:52,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:52:53,071 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:52:53,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:52:53,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:52:53,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:52:53,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:52:53,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:53,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:52:53,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:52:53,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2021-11-02 22:52:53,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:52:53,075 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:52:53,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:53,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:52:54,031 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:52:54,037 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:52:54,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,052 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 [2021-11-02 22:52:54,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:52:54,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,139 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 [2021-11-02 22:52:54,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:52:54,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:52:54,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:52:54,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:52:54,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,209 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 [2021-11-02 22:52:54,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:52:54,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:52:54,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:52:54,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:52:54,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:52:54,282 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 [2021-11-02 22:52:54,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:52:54,360 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 [2021-11-02 22:52:54,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:52:54,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:52:54,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:52:54,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,428 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,452 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 [2021-11-02 22:52:54,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:52:54,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,548 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 [2021-11-02 22:52:54,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:52:54,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,626 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 [2021-11-02 22:52:54,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:52:54,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,703 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:52:54,709 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 [2021-11-02 22:52:54,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:52:54,789 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 [2021-11-02 22:52:54,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:52:54,892 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 [2021-11-02 22:52:54,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:54,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:54,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:54,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:54,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:54,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:52:54,985 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 [2021-11-02 22:52:54,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:54,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:54,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:54,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:54,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:54,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:55,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:55,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:55,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:55,039 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:55,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:52:55,040 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 [2021-11-02 22:52:55,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:55,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:55,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:55,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:55,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:55,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:55,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:55,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:55,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:55,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:55,090 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:52:55,095 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 [2021-11-02 22:52:55,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:55,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:55,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:55,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:55,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:55,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:55,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:55,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-02 22:52:55,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:55,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:55,155 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:55,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:52:55,157 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 [2021-11-02 22:52:55,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:55,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:55,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:55,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:55,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:55,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:55,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:52:55,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:55,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:55,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:55,229 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:55,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:52:55,231 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 [2021-11-02 22:52:55,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:52:55,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:52:55,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:52:55,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:52:55,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:52:55,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:52:55,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:52:55,323 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:52:55,323 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-02 22:52:55,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:52:55,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:52:55,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:52:55,412 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:52:55,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:52:55,441 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:52:55,441 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:52:55,442 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1 + 199 Supporting invariants [] [2021-11-02 22:52:55,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:55,582 INFO L297 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2021-11-02 22:52:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:52:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:52:55,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:52:55,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:52:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:52:55,705 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-02 22:52:55,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:52:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:52:55,799 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 [2021-11-02 22:52:55,801 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) [2021-11-02 22:52:55,909 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 28 transitions. Complement of second has 8 states. [2021-11-02 22:52:55,910 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 [2021-11-02 22:52:55,912 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) [2021-11-02 22:52:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-11-02 22:52:55,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-02 22:52:55,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:52:55,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-02 22:52:55,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:52:55,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-02 22:52:55,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:52:55,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2021-11-02 22:52:55,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:52:55,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-11-02 22:52:55,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:52:55,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:52:55,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:52:55,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:52:55,933 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:52:55,933 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:52:55,934 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:52:55,934 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:52:55,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:52:55,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:52:55,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:52:55,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:52:55,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:52:55 BoogieIcfgContainer [2021-11-02 22:52:55,945 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:52:55,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:52:55,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:52:55,946 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:52:55,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:52:51" (3/4) ... [2021-11-02 22:52:55,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:52:55,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:52:55,952 INFO L168 Benchmark]: Toolchain (without parser) took 5137.45 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 61.5 MB in the beginning and 99.9 MB in the end (delta: -38.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,953 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:52:55,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.97 ms. Allocated memory is still 88.1 MB. Free memory was 61.3 MB in the beginning and 52.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.29 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,955 INFO L168 Benchmark]: Boogie Preprocessor took 47.85 ms. Allocated memory is still 88.1 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,956 INFO L168 Benchmark]: RCFGBuilder took 396.08 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 49.7 MB in the beginning and 105.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,957 INFO L168 Benchmark]: BuchiAutomizer took 4344.80 ms. Allocated memory is still 127.9 MB. Free memory was 105.2 MB in the beginning and 100.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:52:55,958 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.9 MB in the end (delta: 890.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:52:55,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.97 ms. Allocated memory is still 88.1 MB. Free memory was 61.3 MB in the beginning and 52.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.29 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.85 ms. Allocated memory is still 88.1 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 396.08 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 49.7 MB in the beginning and 105.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4344.80 ms. Allocated memory is still 127.9 MB. Free memory was 105.2 MB in the beginning and 100.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.85 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.9 MB in the end (delta: 890.2 kB). 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 -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp93 ukn64 mio100 lsp29 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms 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! [2021-11-02 22:52:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e80fef0-a981-42d4-bb23-b1a20265d4dd/bin/uautomizer-tBqnrhUYjU/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