./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN --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 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:28:31,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:28:31,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:28:31,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:28:31,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:28:31,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:28:31,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:28:31,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:28:31,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:28:31,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:28:31,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:28:31,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:28:31,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:28:31,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:28:31,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:28:31,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:28:31,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:28:31,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:28:31,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:28:31,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:28:31,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:28:31,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:28:31,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:28:31,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:28:31,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:28:31,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:28:31,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:28:31,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:28:31,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:28:31,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:28:31,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:28:31,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:28:31,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:28:31,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:28:31,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:28:31,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:28:31,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:28:31,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:28:31,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:28:31,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:28:31,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:28:31,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:28:31,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:28:31,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:28:31,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:28:31,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:28:31,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:28:31,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:28:31,566 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:28:31,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:28:31,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:28:31,566 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:28:31,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:28:31,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:28:31,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:28:31,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:28:31,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:28:31,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:28:31,569 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:28:31,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:28:31,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:28:31,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:28:31,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:28:31,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:28:31,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:28:31,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:28:31,573 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_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 [2022-11-20 11:28:31,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:28:32,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:28:32,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:28:32,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:28:32,019 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:28:32,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2022-11-20 11:28:35,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:28:35,985 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:28:35,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2022-11-20 11:28:36,001 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/data/4890faa99/821e825efe43493e95acb5f0916b6703/FLAG06b2b0986 [2022-11-20 11:28:36,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/data/4890faa99/821e825efe43493e95acb5f0916b6703 [2022-11-20 11:28:36,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:28:36,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:28:36,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:28:36,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:28:36,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:28:36,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6c5329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36, skipping insertion in model container [2022-11-20 11:28:36,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:28:36,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:28:36,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:28:36,587 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:28:36,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:28:36,710 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:28:36,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36 WrapperNode [2022-11-20 11:28:36,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:28:36,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:28:36,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:28:36,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:28:36,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,764 INFO L138 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-11-20 11:28:36,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:28:36,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:28:36,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:28:36,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:28:36,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,805 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:28:36,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:28:36,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:28:36,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:28:36,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (1/1) ... [2022-11-20 11:28:36,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:36,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:28:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:28:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:28:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:28:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:28:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:28:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:28:37,090 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:28:37,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:28:37,305 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:28:37,312 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:28:37,314 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:28:37,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:28:37 BoogieIcfgContainer [2022-11-20 11:28:37,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:28:37,319 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:28:37,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:28:37,324 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:28:37,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:28:37,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:28:36" (1/3) ... [2022-11-20 11:28:37,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30e5366e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:28:37, skipping insertion in model container [2022-11-20 11:28:37,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:28:37,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:28:36" (2/3) ... [2022-11-20 11:28:37,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30e5366e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:28:37, skipping insertion in model container [2022-11-20 11:28:37,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:28:37,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:28:37" (3/3) ... [2022-11-20 11:28:37,335 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.01-alloca.i [2022-11-20 11:28:37,451 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:28:37,451 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:28:37,451 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:28:37,451 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:28:37,451 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:28:37,452 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:28:37,452 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:28:37,452 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:28:37,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2022-11-20 11:28:37,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:28:37,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:28:37,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:28:37,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:28:37,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:28:37,522 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:28:37,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2022-11-20 11:28:37,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:28:37,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:28:37,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:28:37,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:28:37,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:28:37,542 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~ret11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet9#1, main_#t~nondet10#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 5#L555-3true [2022-11-20 11:28:37,543 INFO L750 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 9#L555-1true assume !!(test_fun_#t~mem5#1 > test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 5#L555-3true [2022-11-20 11:28:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:28:37,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:28:37,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106232327] [2022-11-20 11:28:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:37,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:28:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:37,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:28:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:37,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:28:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-11-20 11:28:37,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:28:37,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839796935] [2022-11-20 11:28:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:37,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:28:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:37,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:28:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:37,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:28:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:37,903 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-20 11:28:37,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:28:37,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520857030] [2022-11-20 11:28:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:37,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:28:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:37,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:28:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:28:38,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:28:39,072 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:28:39,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:28:39,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:28:39,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:28:39,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:28:39,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:39,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:28:39,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:28:39,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.01-alloca.i_Iteration1_Lasso [2022-11-20 11:28:39,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:28:39,075 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:28:39,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:39,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:28:40,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:28:40,531 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:28:40,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:28:40,541 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 [2022-11-20 11:28:40,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:28:40,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:28:40,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:28:40,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,612 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 [2022-11-20 11:28:40,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:28:40,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:28:40,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:28:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:28:40,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,670 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 [2022-11-20 11:28:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:28:40,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:28:40,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:28:40,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:28:40,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:28:40,718 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 [2022-11-20 11:28:40,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:28:40,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:28:40,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:28:40,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:28:40,765 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 [2022-11-20 11:28:40,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:40,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:40,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,820 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 [2022-11-20 11:28:40,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:28:40,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:40,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:40,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:28:40,872 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 [2022-11-20 11:28:40,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:28:40,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:28:40,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:28:40,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,924 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 [2022-11-20 11:28:40,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:28:40,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:40,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:40,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:40,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:40,969 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:40,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:28:40,974 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 [2022-11-20 11:28:40,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:40,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:40,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:40,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:40,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:40,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,016 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,022 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 [2022-11-20 11:28:41,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:28:41,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:28:41,097 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 [2022-11-20 11:28:41,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,166 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 [2022-11-20 11:28:41,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:28:41,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-20 11:28:41,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,214 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 [2022-11-20 11:28:41,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:28:41,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,275 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:28:41,283 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 [2022-11-20 11:28:41,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,334 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:28:41,348 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 [2022-11-20 11:28:41,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,401 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:28:41,407 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 [2022-11-20 11:28:41,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:28:41,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,458 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,473 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 [2022-11-20 11:28:41,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:28:41,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:28:41,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:28:41,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:28:41,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:28:41,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:28:41,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:28:41,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:28:41,561 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 11:28:41,561 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-20 11:28:41,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:28:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:28:41,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:28:41,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:28:41,616 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:28:41,643 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 11:28:41,644 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:28:41,645 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1, ULTIMATE.start_test_fun_#in~y#1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 - 1*ULTIMATE.start_test_fun_#in~y#1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 - 1*ULTIMATE.start_test_fun_#in~y#1 >= 0] [2022-11-20 11:28:41,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:41,791 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-20 11:28:41,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:41,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:28:41,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:41,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:28:41,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:28:42,026 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 11:28:42,029 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2022-11-20 11:28:42,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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 21 states and 23 transitions. Complement of second has 7 states. [2022-11-20 11:28:42,126 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 [2022-11-20 11:28:42,132 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) [2022-11-20 11:28:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2022-11-20 11:28:42,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 11:28:42,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:28:42,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 11:28:42,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:28:42,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:28:42,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:28:42,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2022-11-20 11:28:42,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:28:42,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-11-20 11:28:42,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:28:42,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:28:42,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:28:42,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:28:42,147 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:28:42,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:28:42,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:28:42,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:28:42,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:28:42,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:28:42,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:28:42,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:28:42 BoogieIcfgContainer [2022-11-20 11:28:42,158 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:28:42,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:28:42,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:28:42,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:28:42,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:28:37" (3/4) ... [2022-11-20 11:28:42,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:28:42,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:28:42,166 INFO L158 Benchmark]: Toolchain (without parser) took 6140.45ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 110.1MB in the beginning and 123.4MB in the end (delta: -13.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 11:28:42,166 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:28:42,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.78ms. Allocated memory is still 140.5MB. Free memory was 109.8MB in the beginning and 94.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:28:42,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:28:42,168 INFO L158 Benchmark]: Boogie Preprocessor took 48.13ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:28:42,169 INFO L158 Benchmark]: RCFGBuilder took 501.48ms. Allocated memory is still 140.5MB. Free memory was 91.5MB in the beginning and 80.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:28:42,170 INFO L158 Benchmark]: BuchiAutomizer took 4838.82ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 80.0MB in the beginning and 123.4MB in the end (delta: -43.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-20 11:28:42,171 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 197.1MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:28:42,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.78ms. Allocated memory is still 140.5MB. Free memory was 109.8MB in the beginning and 94.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.13ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.48ms. Allocated memory is still 140.5MB. Free memory was 91.5MB in the beginning and 80.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4838.82ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 80.0MB in the beginning and 123.4MB in the end (delta: -43.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 197.1MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * \old(y) + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital236 mio100 ax107 hnf100 lsp90 ukn67 mio100 lsp36 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:28:42,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:42,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f3d992-3b99-463f-9344-7d441e391b49/bin/uautomizer-ug76WZFUDN/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