./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8 --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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- 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-2329fc7 [2022-12-13 11:05:55,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:05:55,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:05:55,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:05:55,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:05:55,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:05:55,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:05:55,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:05:55,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:05:55,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:05:55,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:05:55,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:05:55,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:05:55,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:05:55,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:05:55,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:05:55,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:05:55,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:05:55,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:05:55,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:05:55,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:05:55,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:05:55,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:05:55,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:05:55,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:05:55,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:05:55,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:05:55,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:05:55,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:05:55,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:05:55,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:05:55,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:05:55,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:05:55,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:05:55,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:05:55,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:05:55,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:05:55,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:05:55,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:05:55,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:05:55,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:05:55,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 11:05:55,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:05:55,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:05:55,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:05:55,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:05:55,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:05:55,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:05:55,425 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:05:55,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:05:55,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:05:55,426 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:05:55,426 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:05:55,426 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:05:55,426 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:05:55,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:05:55,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:05:55,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:05:55,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:05:55,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:05:55,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:05:55,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:05:55,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:05:55,428 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:05:55,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:05:55,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:05:55,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:05:55,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:05:55,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:05:55,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:05:55,430 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:05:55,430 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_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2022-12-13 11:05:55,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:05:55,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:05:55,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:05:55,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:05:55,656 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:05:55,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-12-13 11:05:58,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:05:58,425 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:05:58,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-12-13 11:05:58,431 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/data/ddda70878/1e9b31d31b2a48c69b0458177d12f1ef/FLAG541b16061 [2022-12-13 11:05:58,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/data/ddda70878/1e9b31d31b2a48c69b0458177d12f1ef [2022-12-13 11:05:58,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:05:58,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:05:58,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:05:58,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:05:58,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:05:58,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67362ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58, skipping insertion in model container [2022-12-13 11:05:58,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:05:58,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:05:58,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:05:58,602 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:05:58,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:05:58,620 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:05:58,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58 WrapperNode [2022-12-13 11:05:58,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:05:58,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:05:58,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:05:58,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:05:58,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,643 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2022-12-13 11:05:58,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:05:58,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:05:58,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:05:58,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:05:58,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:05:58,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:05:58,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:05:58,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:05:58,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (1/1) ... [2022-12-13 11:05:58,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:05:58,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:05:58,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:05:58,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:05:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:05:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:05:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-13 11:05:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-13 11:05:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-12-13 11:05:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-12-13 11:05:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:05:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:05:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:05:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:05:58,767 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:05:58,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:05:58,846 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:05:58,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:05:58,851 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:05:58,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:05:58 BoogieIcfgContainer [2022-12-13 11:05:58,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:05:58,853 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:05:58,853 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:05:58,855 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:05:58,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:05:58,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:05:58" (1/3) ... [2022-12-13 11:05:58,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec4cac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:05:58, skipping insertion in model container [2022-12-13 11:05:58,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:05:58,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:05:58" (2/3) ... [2022-12-13 11:05:58,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec4cac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:05:58, skipping insertion in model container [2022-12-13 11:05:58,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:05:58,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:05:58" (3/3) ... [2022-12-13 11:05:58,858 INFO L332 chiAutomizerObserver]: Analyzing ICFG mutual_simple.i [2022-12-13 11:05:58,895 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:05:58,895 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:05:58,895 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:05:58,896 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:05:58,896 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:05:58,896 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:05:58,896 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:05:58,896 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:05:58,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 11:05:58,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 11:05:58,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:05:58,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:05:58,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 11:05:58,920 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:05:58,920 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:05:58,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 11:05:58,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 11:05:58,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:05:58,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:05:58,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 11:05:58,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:05:58,928 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; 9#L37true call f(main_~p1~0#1.base, main_~p1~0#1.offset);< 13#$Ultimate##0true [2022-12-13 11:05:58,928 INFO L750 eck$LassoCheckResult]: Loop: 13#$Ultimate##0true ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 12#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 16#L17true call g(~q.base, ~q.offset);< 17#$Ultimate##0true ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 11#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 5#L25true call f(~p.base, ~p.offset);< 13#$Ultimate##0true [2022-12-13 11:05:58,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:05:58,932 INFO L85 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2022-12-13 11:05:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:05:58,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760402223] [2022-12-13 11:05:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:05:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:05:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:05:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:05:59,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:05:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2022-12-13 11:05:59,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:05:59,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898352720] [2022-12-13 11:05:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:05:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:05:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:05:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:05:59,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:05:59,060 INFO L85 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2022-12-13 11:05:59,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:05:59,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622947344] [2022-12-13 11:05:59,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:05:59,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:05:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:05:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:05:59,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:05:59,694 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:05:59,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:05:59,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:05:59,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:05:59,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:05:59,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:05:59,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:05:59,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:05:59,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: mutual_simple.i_Iteration1_Lasso [2022-12-13 11:05:59,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:05:59,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:05:59,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:05:59,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:05:59,989 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:05:59,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:05:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:05:59,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:05:59,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 11:05:59,993 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 [2022-12-13 11:06:00,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:06:00,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 11:06:00,016 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 [2022-12-13 11:06:00,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 11:06:00,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 11:06:00,037 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 [2022-12-13 11:06:00,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 11:06:00,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 11:06:00,056 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 [2022-12-13 11:06:00,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 11:06:00,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 11:06:00,078 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 [2022-12-13 11:06:00,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 11:06:00,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,095 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 11:06:00,097 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 [2022-12-13 11:06:00,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:06:00,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:06:00,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 11:06:00,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 11:06:00,121 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 [2022-12-13 11:06:00,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:06:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:06:00,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:06:00,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:06:00,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 11:06:00,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 11:06:00,140 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 [2022-12-13 11:06:00,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:06:00,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:06:00,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:06:00,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:06:00,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:06:00,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:06:00,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:06:00,169 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:06:00,169 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-12-13 11:06:00,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:06:00,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:06:00,192 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:06:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 11:06:00,194 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:06:00,205 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 11:06:00,206 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:06:00,206 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2022-12-13 11:06:00,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 11:06:00,214 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 11:06:00,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:06:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:06:00,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:06:00,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 11:06:00,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:06:00,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 11:06:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:06:00,413 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-12-13 11:06:00,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:00,570 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 53 transitions. Complement of second has 22 states. [2022-12-13 11:06:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-12-13 11:06:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:06:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2022-12-13 11:06:00,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-12-13 11:06:00,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:06:00,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-12-13 11:06:00,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:06:00,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-12-13 11:06:00,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:06:00,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2022-12-13 11:06:00,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:06:00,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2022-12-13 11:06:00,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 11:06:00,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 11:06:00,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 11:06:00,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:06:00,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:06:00,584 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:06:00,584 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:06:00,585 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:06:00,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:06:00,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:06:00,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 11:06:00,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:06:00 BoogieIcfgContainer [2022-12-13 11:06:00,590 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:06:00,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:06:00,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:06:00,590 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:06:00,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:05:58" (3/4) ... [2022-12-13 11:06:00,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:06:00,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:06:00,593 INFO L158 Benchmark]: Toolchain (without parser) took 2145.74ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 87.5MB in the beginning and 92.6MB in the end (delta: -5.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-12-13 11:06:00,593 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:06:00,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.12ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 77.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:06:00,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.72ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 76.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:06:00,594 INFO L158 Benchmark]: Boogie Preprocessor took 12.69ms. Allocated memory is still 121.6MB. Free memory was 76.5MB in the beginning and 75.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:06:00,595 INFO L158 Benchmark]: RCFGBuilder took 195.66ms. Allocated memory is still 121.6MB. Free memory was 75.5MB in the beginning and 65.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:06:00,595 INFO L158 Benchmark]: BuchiAutomizer took 1737.18ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 65.0MB in the beginning and 92.6MB in the end (delta: -27.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-12-13 11:06:00,595 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 159.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:06:00,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.12ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 77.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.72ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 76.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.69ms. Allocated memory is still 121.6MB. Free memory was 76.5MB in the beginning and 75.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 195.66ms. Allocated memory is still 121.6MB. Free memory was 75.5MB in the beginning and 65.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1737.18ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 65.0MB in the beginning and 92.6MB in the end (delta: -27.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 159.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 11 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf100 lsp94 ukn68 mio100 lsp36 div100 bol100 ite100 ukn100 eq144 hnf92 smp94 dnf100 smp100 tf100 neg97 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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! [2022-12-13 11:06:00,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 11:06:00,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e741c919-de52-4a1d-b497-1cad393f297e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE