./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 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_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS --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 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac --- 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-4e7fbc6 [2022-11-23 02:56:59,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:56:59,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:56:59,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:56:59,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:56:59,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:56:59,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:56:59,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:56:59,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:56:59,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:56:59,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:56:59,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:56:59,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:56:59,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:56:59,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:56:59,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:56:59,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:56:59,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:56:59,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:56:59,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:56:59,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:56:59,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:56:59,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:56:59,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:56:59,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:56:59,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:56:59,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:56:59,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:56:59,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:56:59,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:56:59,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:56:59,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:56:59,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:56:59,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:56:59,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:56:59,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:56:59,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:56:59,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:56:59,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:56:59,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:56:59,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:56:59,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 02:56:59,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:56:59,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:56:59,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:56:59,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:56:59,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:56:59,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:56:59,315 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:56:59,315 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 02:56:59,316 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 02:56:59,316 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 02:56:59,317 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 02:56:59,318 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 02:56:59,318 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 02:56:59,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:56:59,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:56:59,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:56:59,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:56:59,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 02:56:59,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 02:56:59,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 02:56:59,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:56:59,321 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 02:56:59,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:56:59,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 02:56:59,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:56:59,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:56:59,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:56:59,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:56:59,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 02:56:59,325 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_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac [2022-11-23 02:56:59,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:56:59,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:56:59,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:56:59,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:56:59,718 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:56:59,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2022-11-23 02:57:02,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:57:03,095 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:57:03,096 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2022-11-23 02:57:03,102 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/data/0f5755c41/1f2c9b101391454ba36a8c229d92075e/FLAG1a318f194 [2022-11-23 02:57:03,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/data/0f5755c41/1f2c9b101391454ba36a8c229d92075e [2022-11-23 02:57:03,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:57:03,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:57:03,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:03,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:57:03,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:57:03,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65700ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03, skipping insertion in model container [2022-11-23 02:57:03,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:57:03,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:57:03,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:03,387 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:57:03,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:03,424 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:57:03,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03 WrapperNode [2022-11-23 02:57:03,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:03,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:03,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:57:03,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:57:03,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,465 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-23 02:57:03,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:03,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:57:03,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:57:03,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:57:03,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:57:03,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:57:03,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:57:03,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:57:03,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (1/1) ... [2022-11-23 02:57:03,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:03,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:03,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 02:57:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:57:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:57:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2022-11-23 02:57:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2022-11-23 02:57:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:57:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:57:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:57:03,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:57:03,685 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:57:03,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:57:03,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:57:03,828 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:57:03,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:03 BoogieIcfgContainer [2022-11-23 02:57:03,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:57:03,833 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 02:57:03,834 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 02:57:03,838 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 02:57:03,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:57:03,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:57:03" (1/3) ... [2022-11-23 02:57:03,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@738bf9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:57:03, skipping insertion in model container [2022-11-23 02:57:03,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:57:03,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:03" (2/3) ... [2022-11-23 02:57:03,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@738bf9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:57:03, skipping insertion in model container [2022-11-23 02:57:03,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:57:03,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:03" (3/3) ... [2022-11-23 02:57:03,850 INFO L332 chiAutomizerObserver]: Analyzing ICFG chunk1-2.i [2022-11-23 02:57:03,925 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 02:57:03,925 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 02:57:03,925 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 02:57:03,925 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 02:57:03,925 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 02:57:03,926 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 02:57:03,926 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 02:57:03,926 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 02:57:03,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:57:03,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:57:03,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:57:03,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:57:03,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 02:57:03,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:57:03,960 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 02:57:03,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:57:03,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:57:03,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:57:03,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:57:03,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 02:57:03,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:57:03,972 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#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_#t~nondet7#1, main_~data~0#1.base, main_~data~0#1.offset, main_~i~0#1, main_~upper~0#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(16);main_~data~0#1.base, main_~data~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~upper~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 8#L25true assume !(main_~i~0#1 >= main_~upper~0#1);call write~int(main_~i~0#1, main_~data~0#1.base, main_~data~0#1.offset, 4);call write~int(main_~upper~0#1, main_~data~0#1.base, 12 + main_~data~0#1.offset, 4); 5#L30true call chunk(main_~data~0#1.base, main_~data~0#1.offset);< 12#chunkENTRYtrue [2022-11-23 02:57:03,972 INFO L750 eck$LassoCheckResult]: Loop: 12#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1 := read~int(~data.base, ~data.offset, 4);call #t~mem2 := read~int(~data.base, 12 + ~data.offset, 4); 9#L9true assume !(#t~mem1 >= #t~mem2);havoc #t~mem1;havoc #t~mem2;call #t~mem3 := read~int(~data.base, ~data.offset, 4);#t~post4 := #t~mem3;call write~int(1 + #t~post4, ~data.base, ~data.offset, 4);havoc #t~mem3;havoc #t~post4; 7#L15true call chunk(~data.base, ~data.offset);< 12#chunkENTRYtrue [2022-11-23 02:57:03,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1141162, now seen corresponding path program 1 times [2022-11-23 02:57:03,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:03,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618906515] [2022-11-23 02:57:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:03,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:57:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:57:04,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash 29934, now seen corresponding path program 1 times [2022-11-23 02:57:04,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:04,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775621430] [2022-11-23 02:57:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:57:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:57:04,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:04,234 INFO L85 PathProgramCache]: Analyzing trace with hash -363381083, now seen corresponding path program 1 times [2022-11-23 02:57:04,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:04,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146966333] [2022-11-23 02:57:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:57:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:04,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:57:05,147 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:57:05,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:57:05,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:57:05,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:57:05,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:57:05,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:05,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:57:05,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:57:05,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: chunk1-2.i_Iteration1_Lasso [2022-11-23 02:57:05,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:57:05,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:57:05,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:57:05,881 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:57:05,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:57:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:05,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:05,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 02:57:05,896 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 [2022-11-23 02:57:05,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:05,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:57:05,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:57:05,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:05,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:05,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:57:05,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:57:05,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:57:05,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:05,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:05,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:05,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:05,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 02:57:05,953 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 [2022-11-23 02:57:05,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:05,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:57:05,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:57:05,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:05,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:05,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:57:05,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:57:05,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:57:05,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-23 02:57:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:05,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:05,978 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:05,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 02:57:05,981 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 [2022-11-23 02:57:05,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:05,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:57:05,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:57:05,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:05,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:05,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:57:05,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:57:06,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:57:06,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:06,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:06,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:06,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 02:57:06,050 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 [2022-11-23 02:57:06,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:06,062 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-23 02:57:06,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:06,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:06,070 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-23 02:57:06,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:57:06,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:57:06,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:06,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:06,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:06,117 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 [2022-11-23 02:57:06,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:06,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:57:06,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:06,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:06,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:57:06,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:57:06,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 02:57:06,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:57:06,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:06,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:06,163 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:06,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 02:57:06,177 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 [2022-11-23 02:57:06,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:57:06,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:57:06,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:57:06,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:57:06,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:57:06,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:57:06,217 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:57:06,241 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-23 02:57:06,241 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-23 02:57:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:57:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:06,256 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:06,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:57:06,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 02:57:06,290 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 02:57:06,290 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:57:06,291 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1, v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1) = -1*v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1 + 1*v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1 Supporting invariants [] [2022-11-23 02:57:06,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:06,324 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2022-11-23 02:57:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:06,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:57:06,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:57:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:06,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 02:57:06,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:57:06,503 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 02:57:06,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2022-11-23 02:57:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:57:06,572 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 02:57:06,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:57:06,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 34 transitions. Complement of second has 16 states. [2022-11-23 02:57:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 02:57:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:57:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-23 02:57:06,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-23 02:57:06,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:57:06,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-23 02:57:06,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:57:06,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-23 02:57:06,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:57:06,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2022-11-23 02:57:06,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 02:57:06,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2022-11-23 02:57:06,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 02:57:06,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 02:57:06,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 02:57:06,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:57:06,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:57:06,722 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:57:06,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:57:06,723 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 02:57:06,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:57:06,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 02:57:06,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 02:57:06,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:57:06 BoogieIcfgContainer [2022-11-23 02:57:06,730 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 02:57:06,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:57:06,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:57:06,731 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:57:06,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:03" (3/4) ... [2022-11-23 02:57:06,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:57:06,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:57:06,741 INFO L158 Benchmark]: Toolchain (without parser) took 3611.12ms. Allocated memory was 163.6MB in the beginning and 230.7MB in the end (delta: 67.1MB). Free memory was 116.8MB in the beginning and 115.6MB in the end (delta: 1.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2022-11-23 02:57:06,744 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:06,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 107.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:57:06,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.23ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:06,752 INFO L158 Benchmark]: Boogie Preprocessor took 38.37ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:57:06,754 INFO L158 Benchmark]: RCFGBuilder took 325.86ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 94.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:57:06,755 INFO L158 Benchmark]: BuchiAutomizer took 2897.05ms. Allocated memory was 163.6MB in the beginning and 230.7MB in the end (delta: 67.1MB). Free memory was 94.4MB in the beginning and 115.6MB in the end (delta: -21.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-11-23 02:57:06,755 INFO L158 Benchmark]: Witness Printer took 8.66ms. Allocated memory is still 230.7MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:06,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 107.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.23ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.37ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 325.86ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 94.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2897.05ms. Allocated memory was 163.6MB in the beginning and 230.7MB in the end (delta: 67.1MB). Free memory was 94.4MB in the beginning and 115.6MB in the end (delta: -21.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 8.66ms. Allocated memory is still 230.7MB. Free memory is still 115.6MB. 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[#in~data][#in~data + 12] + -1 * unknown-#memory_int-unknown[#in~data][#in~data] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital128 mio100 ax100 hnf100 lsp95 ukn74 mio100 lsp41 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2022-11-23 02:57:06,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:57:06,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defc69f9-c64b-493f-943b-922c55a0138c/bin/uautomizer-QkZJyEgLgS/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