./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg --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 64bit --witnessprinter.graph.data.programhash 033772d605bbfacd7bdbacf0756e3bc9cfb2f8cbffe91002f61ae4b41e344064 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:32:06,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:32:06,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:32:06,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:32:06,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:32:06,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:32:06,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:32:06,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:32:06,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:32:06,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:32:06,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:32:06,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:32:06,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:32:06,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:32:06,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:32:06,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:32:06,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:32:06,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:32:06,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:32:06,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:32:06,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:32:06,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:32:06,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:32:06,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:32:06,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:32:06,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:32:06,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:32:06,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:32:06,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:32:06,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:32:06,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:32:06,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:32:06,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:32:06,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:32:06,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:32:06,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:32:06,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:32:06,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:32:06,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:32:06,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:32:06,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:32:06,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:32:06,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:32:06,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:32:06,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:32:06,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:32:06,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:32:06,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:32:06,472 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:32:06,473 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:32:06,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:32:06,473 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:32:06,474 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:32:06,475 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:32:06,475 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:32:06,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:32:06,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:32:06,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:32:06,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:32:06,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:32:06,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:32:06,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:32:06,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:32:06,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:32:06,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:32:06,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:32:06,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:32:06,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:32:06,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:32:06,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:32:06,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:32:06,480 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:32:06,480 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_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 033772d605bbfacd7bdbacf0756e3bc9cfb2f8cbffe91002f61ae4b41e344064 [2021-10-28 09:32:06,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:32:06,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:32:06,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:32:06,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:32:06,794 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:32:06,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c [2021-10-28 09:32:06,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/data/dfb559ef4/ea11c26e4cc44110906f30b55b202abc/FLAG7e51b7a8e [2021-10-28 09:32:07,302 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:32:07,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c [2021-10-28 09:32:07,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/data/dfb559ef4/ea11c26e4cc44110906f30b55b202abc/FLAG7e51b7a8e [2021-10-28 09:32:07,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/data/dfb559ef4/ea11c26e4cc44110906f30b55b202abc [2021-10-28 09:32:07,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:32:07,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:32:07,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:07,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:32:07,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:32:07,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852b9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07, skipping insertion in model container [2021-10-28 09:32:07,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:32:07,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:32:07,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:07,885 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:32:07,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:07,913 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:32:07,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07 WrapperNode [2021-10-28 09:32:07,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:07,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:32:07,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:32:07,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:32:07,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:32:07,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:32:07,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:32:07,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:32:07,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:32:07,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:32:07,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:32:07,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:32:07,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (1/1) ... [2021-10-28 09:32:07,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:07,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:07,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:32:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:32:08,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:32:08,163 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:32:08,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:08 BoogieIcfgContainer [2021-10-28 09:32:08,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:32:08,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:32:08,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:32:08,169 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:32:08,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:08,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:32:07" (1/3) ... [2021-10-28 09:32:08,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42272176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:32:08, skipping insertion in model container [2021-10-28 09:32:08,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:08,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:07" (2/3) ... [2021-10-28 09:32:08,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42272176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:32:08, skipping insertion in model container [2021-10-28 09:32:08,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:08,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:08" (3/3) ... [2021-10-28 09:32:08,173 INFO L389 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c [2021-10-28 09:32:08,220 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:32:08,220 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:32:08,220 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:32:08,221 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:32:08,221 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:32:08,221 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:32:08,221 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:32:08,221 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:32:08,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-10-28 09:32:08,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:32:08,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:32:08,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:32:08,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:32:08,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:32:08,260 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:32:08,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-10-28 09:32:08,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:32:08,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:32:08,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:32:08,261 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:32:08,262 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:32:08,268 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 23; 4#L17-2true [2021-10-28 09:32:08,269 INFO L793 eck$LassoCheckResult]: Loop: 4#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := 1 + main_~y~0; 4#L17-2true [2021-10-28 09:32:08,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,275 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:32:08,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685085071] [2021-10-28 09:32:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,360 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 09:32:08,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427292659] [2021-10-28 09:32:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,394 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 09:32:08,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320081356] [2021-10-28 09:32:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:08,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:08,483 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:32:08,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:32:08,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:32:08,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:32:08,484 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:32:08,485 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,485 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:32:08,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:32:08,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c_Iteration1_Loop [2021-10-28 09:32:08,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:32:08,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:32:08,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:08,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:08,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:08,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:32:08,599 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:32:08,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:08,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:32:08,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:32:08,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:32:08,646 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:32:08,646 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:32:08,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:32:08,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:08,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:32:08,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:32:08,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:32:08,704 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:32:08,705 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:32:08,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:08,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:08,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:32:08,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:32:08,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:32:08,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:08,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:08,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:32:08,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:32:08,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:32:08,941 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:32:08,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:08,958 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:32:08,958 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:32:08,958 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:32:08,958 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:32:08,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:32:08,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:08,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:32:08,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:32:08,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c_Iteration1_Loop [2021-10-28 09:32:08,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:32:08,959 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:32:08,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:08,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:08,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:32:09,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:32:09,086 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:32:09,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:32:09,103 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 [2021-10-28 09:32:09,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:32:09,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:32:09,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:32:09,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:32:09,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:32:09,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:32:09,152 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 [2021-10-28 09:32:09,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:32:09,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:32:09,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:32:09,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:32:09,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:09,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:32:09,205 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 [2021-10-28 09:32:09,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:32:09,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:32:09,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:32:09,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:32:09,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:32:09,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 09:32:09,267 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:32:09,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,270 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,296 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 [2021-10-28 09:32:09,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,308 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:32:09,321 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:32:09,321 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:32:09,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:32:09,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:32:09,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:09,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:32:09,387 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 [2021-10-28 09:32:09,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,395 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:32:09,400 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:32:09,400 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:32:09,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:32:09,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:09,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:32:09,450 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 [2021-10-28 09:32:09,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:32:09,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:32:09,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:32:09,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:32:09,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:32:09,460 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:32:09,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:32:09,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:32:09,520 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:32:09,520 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:32:09,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,523 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:32:09,567 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:32:09,567 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:32:09,568 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0 + 1 f1 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2021-10-28 09:32:09,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:32:09,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:09,609 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:32:09,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:09,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:32:09,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:09,702 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:32:09,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:09,717 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 09:32:09,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-10-28 09:32:09,751 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 15 states and 18 transitions. Complement of second has 5 states. [2021-10-28 09:32:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:32:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-10-28 09:32:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 09:32:09,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 09:32:09,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:32:09,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 09:32:09,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:32:09,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 09:32:09,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:32:09,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 09:32:09,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:32:09,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 09:32:09,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:32:09,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:32:09,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:32:09,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:32:09,763 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:32:09,763 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:32:09,763 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:32:09,763 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:32:09,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:32:09,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:32:09,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:32:09,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:32:09 BoogieIcfgContainer [2021-10-28 09:32:09,769 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:32:09,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:32:09,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:32:09,770 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:32:09,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:08" (3/4) ... [2021-10-28 09:32:09,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:32:09,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:32:09,775 INFO L168 Benchmark]: Toolchain (without parser) took 2062.12 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 75.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:09,776 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 58.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:09,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.03 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 64.9 MB in the beginning and 95.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:09,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:09,778 INFO L168 Benchmark]: Boogie Preprocessor took 16.54 ms. Allocated memory is still 119.5 MB. Free memory was 94.6 MB in the beginning and 93.8 MB in the end (delta: 819.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:09,778 INFO L168 Benchmark]: RCFGBuilder took 202.91 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 86.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:09,779 INFO L168 Benchmark]: BuchiAutomizer took 1603.18 ms. Allocated memory is still 119.5 MB. Free memory was 86.0 MB in the beginning and 75.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:09,779 INFO L168 Benchmark]: Witness Printer took 3.66 ms. Allocated memory is still 119.5 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:09,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 58.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 201.03 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 64.9 MB in the beginning and 95.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.54 ms. Allocated memory is still 119.5 MB. Free memory was 94.6 MB in the beginning and 93.8 MB in the end (delta: 819.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 202.91 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 86.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1603.18 ms. Allocated memory is still 119.5 MB. Free memory was 86.0 MB in the beginning and 75.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.66 ms. Allocated memory is still 119.5 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else 2 * x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:32:09,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:10,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9163f17-bc3c-4acc-8302-70e831cf752d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...