./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R --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 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 --- 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-38b53e6 [2022-11-25 15:25:55,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:25:55,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:25:55,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:25:55,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:25:55,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:25:55,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:25:55,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:25:55,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:25:55,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:25:55,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:25:55,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:25:55,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:25:55,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:25:55,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:25:55,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:25:55,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:25:55,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:25:55,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:25:55,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:25:55,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:25:55,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:25:55,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:25:55,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:25:55,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:25:55,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:25:55,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:25:55,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:25:55,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:25:55,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:25:55,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:25:55,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:25:55,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:25:55,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:25:55,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:25:55,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:25:55,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:25:55,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:25:55,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:25:55,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:25:55,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:25:55,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:25:55,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:25:55,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:25:55,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:25:55,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:25:55,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:25:55,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:25:55,194 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:25:55,194 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:25:55,195 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:25:55,195 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:25:55,196 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:25:55,197 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:25:55,197 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:25:55,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:25:55,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:25:55,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:25:55,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:25:55,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:25:55,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:25:55,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:25:55,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:25:55,201 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:25:55,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:25:55,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:25:55,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:25:55,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:25:55,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:25:55,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:25:55,205 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:25:55,205 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_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 [2022-11-25 15:25:55,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:25:55,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:25:55,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:25:55,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:25:55,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:25:55,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2022-11-25 15:25:59,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:25:59,449 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:25:59,449 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2022-11-25 15:25:59,473 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/data/bee74dd27/99b0ced75d1b4251a2c381670a0fea52/FLAGba6c1a4a4 [2022-11-25 15:25:59,497 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/data/bee74dd27/99b0ced75d1b4251a2c381670a0fea52 [2022-11-25 15:25:59,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:25:59,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:25:59,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:25:59,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:25:59,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:25:59,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:25:59" (1/1) ... [2022-11-25 15:25:59,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a0e8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:59, skipping insertion in model container [2022-11-25 15:25:59,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:25:59" (1/1) ... [2022-11-25 15:25:59,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:25:59,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:25:59,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:25:59,979 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:26:00,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:26:00,061 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:26:00,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00 WrapperNode [2022-11-25 15:26:00,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:26:00,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:26:00,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:26:00,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:26:00,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,131 INFO L138 Inliner]: procedures = 113, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-11-25 15:26:00,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:26:00,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:26:00,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:26:00,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:26:00,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:26:00,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:26:00,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:26:00,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:26:00,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (1/1) ... [2022-11-25 15:26:00,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:00,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:00,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:00,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:26:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2022-11-25 15:26:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2022-11-25 15:26:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:26:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:26:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:26:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:26:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:26:00,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:26:00,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:26:00,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:26:00,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:26:00,538 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:26:00,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:00 BoogieIcfgContainer [2022-11-25 15:26:00,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:26:00,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:26:00,542 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:26:00,547 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:26:00,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:26:00,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:25:59" (1/3) ... [2022-11-25 15:26:00,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a52428d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:26:00, skipping insertion in model container [2022-11-25 15:26:00,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:26:00,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:00" (2/3) ... [2022-11-25 15:26:00,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a52428d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:26:00, skipping insertion in model container [2022-11-25 15:26:00,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:26:00,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:00" (3/3) ... [2022-11-25 15:26:00,552 INFO L332 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2022-11-25 15:26:00,622 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:26:00,622 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:26:00,622 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:26:00,622 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:26:00,622 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:26:00,623 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:26:00,623 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:26:00,623 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:26:00,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-25 15:26:00,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:26:00,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:26:00,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:26:00,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 15:26:00,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:26:00,663 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:26:00,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-25 15:26:00,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:26:00,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:26:00,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:26:00,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 15:26:00,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:26:00,675 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~ret5#1.base, main_#t~ret5#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10#L558true assume !(main_~n~0#1 < 0); 5#L561true call main_#t~ret5#1.base, main_#t~ret5#1.offset := new_ll(main_~n~0#1);< 12#new_llENTRYtrue [2022-11-25 15:26:00,676 INFO L750 eck$LassoCheckResult]: Loop: 12#new_llENTRYtrue ~n := #in~n; 6#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 14#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 12#new_llENTRYtrue [2022-11-25 15:26:00,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:00,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2022-11-25 15:26:00,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:00,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967333641] [2022-11-25 15:26:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:00,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:00,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:26:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:00,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:26:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2022-11-25 15:26:00,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:00,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401541081] [2022-11-25 15:26:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:00,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:00,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:26:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:00,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:26:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:00,920 INFO L85 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2022-11-25 15:26:00,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:00,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884589332] [2022-11-25 15:26:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:00,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:26:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:26:01,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:26:02,145 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:26:02,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:26:02,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:26:02,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:26:02,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:26:02,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:26:02,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:26:02,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2022-11-25 15:26:02,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:26:02,148 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:26:02,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:26:02,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:26:02,565 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:26:02,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,580 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 [2022-11-25 15:26:02,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:26:02,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:26:02,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:26:02,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:26:02,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,641 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 [2022-11-25 15:26:02,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:26:02,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:26:02,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:26:02,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:26:02,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:26:02,697 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 [2022-11-25 15:26:02,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:26:02,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:26:02,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:26:02,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,740 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 [2022-11-25 15:26:02,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:26:02,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:26:02,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:26:02,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,806 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 [2022-11-25 15:26:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:26:02,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:26:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:26:02,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:26:02,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:26:02,848 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 [2022-11-25 15:26:02,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:26:02,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:26:02,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:26:02,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:26:02,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:26:02,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:02,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:02,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:02,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:26:02,908 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 [2022-11-25 15:26:02,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:26:02,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:26:02,922 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 15:26:02,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:26:02,935 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-25 15:26:02,935 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 15:26:02,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:26:03,011 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 15:26:03,011 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-25 15:26:03,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:26:03,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:03,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:03,109 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:26:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:26:03,131 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-25 15:26:03,131 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:26:03,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2022-11-25 15:26:03,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:26:03,151 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 15:26:03,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:03,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:26:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:26:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:03,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 15:26:03,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:26:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:26:03,413 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-25 15:26:03,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-25 15:26:03,597 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 32 states and 36 transitions. Complement of second has 13 states. [2022-11-25 15:26:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:26:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-25 15:26:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-25 15:26:03,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-25 15:26:03,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:26:03,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-25 15:26:03,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:26:03,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-25 15:26:03,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:26:03,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2022-11-25 15:26:03,620 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:26:03,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2022-11-25 15:26:03,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:26:03,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:26:03,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:26:03,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:26:03,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:26:03,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:26:03,628 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:26:03,631 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:26:03,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:26:03,632 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:26:03,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:26:03,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:26:03 BoogieIcfgContainer [2022-11-25 15:26:03,642 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:26:03,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:26:03,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:26:03,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:26:03,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:00" (3/4) ... [2022-11-25 15:26:03,655 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:26:03,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:26:03,657 INFO L158 Benchmark]: Toolchain (without parser) took 4151.08ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 84.5MB in the end (delta: 65.8MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-11-25 15:26:03,658 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:26:03,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.96ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 134.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:26:03,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 197.1MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:26:03,661 INFO L158 Benchmark]: Boogie Preprocessor took 53.27ms. Allocated memory is still 197.1MB. Free memory was 132.8MB in the beginning and 132.0MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:26:03,661 INFO L158 Benchmark]: RCFGBuilder took 353.46ms. Allocated memory is still 197.1MB. Free memory was 132.0MB in the beginning and 121.7MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:26:03,662 INFO L158 Benchmark]: BuchiAutomizer took 3099.89ms. Allocated memory is still 197.1MB. Free memory was 121.7MB in the beginning and 84.5MB in the end (delta: 37.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-11-25 15:26:03,662 INFO L158 Benchmark]: Witness Printer took 11.07ms. Allocated memory is still 197.1MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:26:03,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.96ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 134.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 197.1MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.27ms. Allocated memory is still 197.1MB. Free memory was 132.8MB in the beginning and 132.0MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.46ms. Allocated memory is still 197.1MB. Free memory was 132.0MB in the beginning and 121.7MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3099.89ms. Allocated memory is still 197.1MB. Free memory was 121.7MB in the beginning and 84.5MB in the end (delta: 37.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 11.07ms. Allocated memory is still 197.1MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 2.6kB). 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 \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn30 mio100 lsp40 div100 bol100 ite100 ukn100 eq217 hnf86 smp100 dnf121 smp100 tf100 neg92 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 244ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2022-11-25 15:26:03,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-25 15:26:03,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4430366-f3e5-4d62-951a-75c218fb8147/bin/uautomizer-ZsLfNo2U6R/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