./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:52:55,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:52:55,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 06:52:55,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:52:55,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:52:55,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:52:55,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:52:55,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:52:55,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:52:55,531 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:52:55,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:52:55,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:52:55,533 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:52:55,533 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:52:55,534 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:52:55,534 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:52:55,535 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:52:55,535 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:52:55,536 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:52:55,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:52:55,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:52:55,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:52:55,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:52:55,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:52:55,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:52:55,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:52:55,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:52:55,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:52:55,540 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:52:55,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:52:55,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:52:55,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:52:55,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:52:55,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:52:55,543 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:52:55,543 INFO L153 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_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 [2023-11-29 06:52:55,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:52:55,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:52:55,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:52:55,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:52:55,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:52:55,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2023-11-29 06:52:58,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:52:58,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:52:58,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2023-11-29 06:52:58,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/data/e7db698f9/1f2ba129c05d4d07bcd29b480dbab8c5/FLAGa8a03f62f [2023-11-29 06:52:58,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/data/e7db698f9/1f2ba129c05d4d07bcd29b480dbab8c5 [2023-11-29 06:52:58,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:52:58,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:52:58,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:58,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:52:58,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:52:58,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:58" (1/1) ... [2023-11-29 06:52:58,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ebba15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:58, skipping insertion in model container [2023-11-29 06:52:58,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:58" (1/1) ... [2023-11-29 06:52:58,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:52:59,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:59,114 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:52:59,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:59,177 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:52:59,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59 WrapperNode [2023-11-29 06:52:59,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:59,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:59,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:52:59,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:52:59,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,219 INFO L138 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-29 06:52:59,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:59,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:52:59,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:52:59,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:52:59,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,249 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [4, 4, 6]. 43 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 7 writes are split as follows [2, 2, 3]. [2023-11-29 06:52:59,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:52:59,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:52:59,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:52:59,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:52:59,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (1/1) ... [2023-11-29 06:52:59,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:52:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:59,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:52:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:52:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:52:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:52:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:52:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:52:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:52:59,468 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:52:59,470 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:52:59,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:52:59,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:52:59,592 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:52:59,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:59 BoogieIcfgContainer [2023-11-29 06:52:59,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:52:59,595 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:52:59,595 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:52:59,599 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:52:59,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:52:59,600 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:52:58" (1/3) ... [2023-11-29 06:52:59,601 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ece9244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:52:59, skipping insertion in model container [2023-11-29 06:52:59,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:52:59,601 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:59" (2/3) ... [2023-11-29 06:52:59,601 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ece9244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:52:59, skipping insertion in model container [2023-11-29 06:52:59,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:52:59,602 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:59" (3/3) ... [2023-11-29 06:52:59,603 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Nested-alloca.i [2023-11-29 06:52:59,651 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:52:59,651 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:52:59,651 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:52:59,651 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:52:59,651 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:52:59,651 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:52:59,652 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:52:59,652 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:52:59,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:59,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 06:52:59,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:52:59,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:52:59,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:52:59,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 06:52:59,675 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:52:59,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:59,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 06:52:59,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:52:59,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:52:59,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:52:59,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 06:52:59,683 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 4#L552-4true [2023-11-29 06:52:59,683 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-4true call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 12#L552-1true assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 11#L553-4true assume !true; 3#L552-3true call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 4#L552-4true [2023-11-29 06:52:59,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 06:52:59,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:59,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863772177] [2023-11-29 06:52:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:59,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:52:59,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:52:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:52:59,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:52:59,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1113608, now seen corresponding path program 1 times [2023-11-29 06:52:59,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:59,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669876413] [2023-11-29 06:52:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:59,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:59,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669876413] [2023-11-29 06:52:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669876413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:59,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:59,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184626920] [2023-11-29 06:52:59,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:59,918 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:52:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:59,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:52:59,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:52:59,946 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:59,950 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2023-11-29 06:52:59,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-29 06:52:59,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 06:52:59,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 9 transitions. [2023-11-29 06:52:59,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-29 06:52:59,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-29 06:52:59,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2023-11-29 06:52:59,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:59,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-11-29 06:52:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2023-11-29 06:52:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-29 06:52:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2023-11-29 06:52:59,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-11-29 06:52:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:52:59,987 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-11-29 06:52:59,987 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:52:59,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2023-11-29 06:52:59,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 06:52:59,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:52:59,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:52:59,989 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:52:59,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 06:52:59,989 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 33#L552-4 [2023-11-29 06:52:59,989 INFO L750 eck$LassoCheckResult]: Loop: 33#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 34#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 36#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 39#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 32#L552-3 call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 33#L552-4 [2023-11-29 06:52:59,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-29 06:52:59,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:59,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131304273] [2023-11-29 06:52:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:59,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:00,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:00,046 INFO L85 PathProgramCache]: Analyzing trace with hash 34512977, now seen corresponding path program 1 times [2023-11-29 06:53:00,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:00,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035450722] [2023-11-29 06:53:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:00,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:00,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035450722] [2023-11-29 06:53:00,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035450722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:00,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:00,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:53:00,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349872999] [2023-11-29 06:53:00,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:00,163 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:53:00,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:00,164 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:00,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:00,203 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2023-11-29 06:53:00,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2023-11-29 06:53:00,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 06:53:00,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 11 transitions. [2023-11-29 06:53:00,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 06:53:00,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 06:53:00,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2023-11-29 06:53:00,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:53:00,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-29 06:53:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2023-11-29 06:53:00,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-29 06:53:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2023-11-29 06:53:00,207 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-29 06:53:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:00,208 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-29 06:53:00,208 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:53:00,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2023-11-29 06:53:00,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 06:53:00,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:00,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:00,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:53:00,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:00,210 INFO L748 eck$LassoCheckResult]: Stem: 64#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 60#L552-4 [2023-11-29 06:53:00,210 INFO L750 eck$LassoCheckResult]: Loop: 60#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 61#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 67#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 66#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 62#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 63#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 68#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 59#L552-3 call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 60#L552-4 [2023-11-29 06:53:00,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:00,211 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2023-11-29 06:53:00,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:00,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346590550] [2023-11-29 06:53:00,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:00,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1680656940, now seen corresponding path program 1 times [2023-11-29 06:53:00,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:00,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030589413] [2023-11-29 06:53:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:00,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:00,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030589413] [2023-11-29 06:53:00,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030589413] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:00,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307178999] [2023-11-29 06:53:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:00,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:53:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:00,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:53:00,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:00,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:53:00,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-29 06:53:00,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:53:00,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 06:53:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:00,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:00,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307178999] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:00,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:00,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2023-11-29 06:53:00,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413132878] [2023-11-29 06:53:00,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:00,750 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:53:00,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:00,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:53:00,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:53:00,751 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:00,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:00,847 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2023-11-29 06:53:00,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 21 transitions. [2023-11-29 06:53:00,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2023-11-29 06:53:00,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 21 transitions. [2023-11-29 06:53:00,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-29 06:53:00,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-29 06:53:00,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 21 transitions. [2023-11-29 06:53:00,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:53:00,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 21 transitions. [2023-11-29 06:53:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 21 transitions. [2023-11-29 06:53:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-29 06:53:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-29 06:53:00,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-29 06:53:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:53:00,854 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-29 06:53:00,854 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:53:00,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 20 transitions. [2023-11-29 06:53:00,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2023-11-29 06:53:00,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:00,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:00,855 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:53:00,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 4, 4, 1, 1, 1, 1] [2023-11-29 06:53:00,855 INFO L748 eck$LassoCheckResult]: Stem: 156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 152#L552-4 [2023-11-29 06:53:00,856 INFO L750 eck$LassoCheckResult]: Loop: 152#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 153#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 159#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 158#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 154#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 155#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 169#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 168#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 167#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 166#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 165#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 164#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 163#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 161#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 162#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 160#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 151#L552-3 call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 152#L552-4 [2023-11-29 06:53:00,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:00,856 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2023-11-29 06:53:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:00,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820241644] [2023-11-29 06:53:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:00,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:00,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1241080977, now seen corresponding path program 2 times [2023-11-29 06:53:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:00,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142609453] [2023-11-29 06:53:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:01,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:01,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142609453] [2023-11-29 06:53:01,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142609453] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:01,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163356554] [2023-11-29 06:53:01,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:01,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:01,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:01,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:01,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:53:01,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:01,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:01,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:53:01,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:01,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 06:53:01,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-29 06:53:01,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:53:01,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2023-11-29 06:53:01,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:53:01,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2023-11-29 06:53:01,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:53:01,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2023-11-29 06:53:01,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:53:01,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 06:53:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:01,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:01,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163356554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:01,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:01,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 9] total 18 [2023-11-29 06:53:01,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225781473] [2023-11-29 06:53:01,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:01,976 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:53:01,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:01,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 06:53:01,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=186, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:53:01,978 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. cyclomatic complexity: 2 Second operand has 18 states, 18 states have (on average 2.111111111111111) internal successors, (38), 18 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:02,147 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2023-11-29 06:53:02,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 36 transitions. [2023-11-29 06:53:02,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2023-11-29 06:53:02,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 36 transitions. [2023-11-29 06:53:02,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-29 06:53:02,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-29 06:53:02,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 36 transitions. [2023-11-29 06:53:02,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:53:02,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 36 transitions. [2023-11-29 06:53:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 36 transitions. [2023-11-29 06:53:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2023-11-29 06:53:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2023-11-29 06:53:02,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-11-29 06:53:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 06:53:02,155 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-11-29 06:53:02,155 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 06:53:02,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 35 transitions. [2023-11-29 06:53:02,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-29 06:53:02,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:02,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:02,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:53:02,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 9, 1, 1, 1, 1] [2023-11-29 06:53:02,158 INFO L748 eck$LassoCheckResult]: Stem: 339#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 340#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 335#L552-4 [2023-11-29 06:53:02,158 INFO L750 eck$LassoCheckResult]: Loop: 335#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 336#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 342#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 341#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 337#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 338#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 367#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 366#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 365#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 364#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 363#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 362#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 361#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 360#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 359#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 358#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 357#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 356#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 355#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 354#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 353#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 352#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 351#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 350#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 349#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 348#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 347#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 346#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 344#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 345#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 343#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 334#L552-3 call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 335#L552-4 [2023-11-29 06:53:02,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2023-11-29 06:53:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:02,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455396962] [2023-11-29 06:53:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:02,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:02,182 INFO L85 PathProgramCache]: Analyzing trace with hash 778359212, now seen corresponding path program 3 times [2023-11-29 06:53:02,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:02,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571325074] [2023-11-29 06:53:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:02,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:02,272 INFO L85 PathProgramCache]: Analyzing trace with hash 320163182, now seen corresponding path program 1 times [2023-11-29 06:53:02,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:02,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83470260] [2023-11-29 06:53:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:02,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:02,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:17,834 WARN L293 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 274 DAG size of output: 263 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-29 06:54:18,540 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:54:18,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:54:18,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:54:18,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:54:18,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:54:18,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:18,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:54:18,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:54:18,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration5_Lasso [2023-11-29 06:54:18,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:54:18,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:54:18,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:18,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:19,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:54:19,380 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:54:19,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:54:19,385 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 [2023-11-29 06:54:19,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:19,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:19,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:19,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:19,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:54:19,409 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 [2023-11-29 06:54:19,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:19,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:19,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:19,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:54:19,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:54:19,433 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 [2023-11-29 06:54:19,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:54:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,464 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:54:19,470 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 [2023-11-29 06:54:19,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:19,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:19,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:19,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:54:19,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:54:19,493 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 [2023-11-29 06:54:19,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:19,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:19,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:19,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:54:19,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,509 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:54:19,512 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 [2023-11-29 06:54:19,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:19,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:54:19,535 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 [2023-11-29 06:54:19,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:54:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,565 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:54:19,569 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 [2023-11-29 06:54:19,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 06:54:19,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:54:19,605 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 [2023-11-29 06:54:19,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 06:54:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:54:19,636 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 [2023-11-29 06:54:19,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 06:54:19,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,658 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:54:19,661 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 [2023-11-29 06:54:19,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:54:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,686 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:54:19,688 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 [2023-11-29 06:54:19,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:19,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:54:19,720 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 [2023-11-29 06:54:19,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 06:54:19,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,754 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:54:19,757 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 [2023-11-29 06:54:19,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:19,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 06:54:19,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,786 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:54:19,794 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 [2023-11-29 06:54:19,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:19,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:19,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:19,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:19,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:19,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:19,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:54:19,831 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-29 06:54:19,831 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-29 06:54:19,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:19,844 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:19,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:54:19,848 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:54:19,862 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:54:19,862 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:54:19,863 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 19 Supporting invariants [] [2023-11-29 06:54:19,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 06:54:19,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 06:54:20,011 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2023-11-29 06:54:20,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~i~0!base][~i~0!offset] could not be translated [2023-11-29 06:54:20,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:20,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:54:20,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:20,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:54:20,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-29 06:54:20,333 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 [2023-11-29 06:54:20,334 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 35 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:20,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 35 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 69 transitions. Complement of second has 6 states. [2023-11-29 06:54:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 06:54:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-29 06:54:20,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 32 letters. [2023-11-29 06:54:20,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:20,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 34 letters. Loop has 32 letters. [2023-11-29 06:54:20,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:20,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 64 letters. [2023-11-29 06:54:20,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:20,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 69 transitions. [2023-11-29 06:54:20,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:54:20,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 65 states and 68 transitions. [2023-11-29 06:54:20,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-29 06:54:20,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-29 06:54:20,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 68 transitions. [2023-11-29 06:54:20,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:54:20,398 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 68 transitions. [2023-11-29 06:54:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 68 transitions. [2023-11-29 06:54:20,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 39. [2023-11-29 06:54:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2023-11-29 06:54:20,402 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2023-11-29 06:54:20,402 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2023-11-29 06:54:20,402 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 06:54:20,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2023-11-29 06:54:20,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:54:20,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:54:20,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:54:20,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:54:20,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:54:20,404 INFO L748 eck$LassoCheckResult]: Stem: 652#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 653#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 645#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 646#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 649#L553-4 [2023-11-29 06:54:20,404 INFO L750 eck$LassoCheckResult]: Loop: 649#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 654#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 648#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 649#L553-4 [2023-11-29 06:54:20,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2023-11-29 06:54:20,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:20,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211693214] [2023-11-29 06:54:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:20,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:20,430 INFO L85 PathProgramCache]: Analyzing trace with hash 44848, now seen corresponding path program 1 times [2023-11-29 06:54:20,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:20,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324352220] [2023-11-29 06:54:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:20,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:20,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1805952521, now seen corresponding path program 1 times [2023-11-29 06:54:20,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:20,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502590803] [2023-11-29 06:54:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:20,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:20,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:21,054 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:54:21,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:54:21,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:54:21,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:54:21,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:54:21,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:54:21,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:54:21,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration6_Lasso [2023-11-29 06:54:21,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:54:21,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:54:21,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:54:21,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:54:21,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:54:21,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,733 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:54:21,735 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 [2023-11-29 06:54:21,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:21,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:21,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:21,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:54:21,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,751 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:54:21,754 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 [2023-11-29 06:54:21,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:21,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:21,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:21,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:21,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,770 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:54:21,773 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 [2023-11-29 06:54:21,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 06:54:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,795 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:54:21,797 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 [2023-11-29 06:54:21,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:21,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:21,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:21,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 06:54:21,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,813 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:54:21,816 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 [2023-11-29 06:54:21,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:21,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:21,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:21,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:21,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,832 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:54:21,834 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 [2023-11-29 06:54:21,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:54:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,854 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 06:54:21,856 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 [2023-11-29 06:54:21,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:54:21,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:54:21,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:54:21,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 06:54:21,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,872 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 06:54:21,874 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 [2023-11-29 06:54:21,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 06:54:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,893 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 06:54:21,895 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 [2023-11-29 06:54:21,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:21,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,915 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 06:54:21,917 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 [2023-11-29 06:54:21,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:54:21,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:21,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,942 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 06:54:21,944 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 [2023-11-29 06:54:21,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:54:21,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:54:21,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:54:21,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:54:21,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:54:21,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:54:21,966 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:54:21,980 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-29 06:54:21,980 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-29 06:54:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:54:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:21,981 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:21,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 06:54:21,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:54:21,994 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:54:21,994 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:54:21,995 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2 + 23 Supporting invariants [] [2023-11-29 06:54:21,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 06:54:22,047 INFO L156 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2023-11-29 06:54:22,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~j~0!base][~j~0!offset] could not be translated [2023-11-29 06:54:22,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:22,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:54:22,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:22,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:54:22,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:22,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 06:54:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:54:22,126 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 [2023-11-29 06:54:22,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:22,161 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 110 transitions. Complement of second has 9 states. [2023-11-29 06:54:22,162 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 [2023-11-29 06:54:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-29 06:54:22,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-29 06:54:22,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:22,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:54:22,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:22,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-29 06:54:22,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:54:22,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 110 transitions. [2023-11-29 06:54:22,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:54:22,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 74 states and 78 transitions. [2023-11-29 06:54:22,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-29 06:54:22,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-29 06:54:22,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 78 transitions. [2023-11-29 06:54:22,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:54:22,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 78 transitions. [2023-11-29 06:54:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 78 transitions. [2023-11-29 06:54:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2023-11-29 06:54:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.0434782608695652) internal successors, (72), 68 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:54:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2023-11-29 06:54:22,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 72 transitions. [2023-11-29 06:54:22,174 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 72 transitions. [2023-11-29 06:54:22,174 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 06:54:22,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 72 transitions. [2023-11-29 06:54:22,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:54:22,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:54:22,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:54:22,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 2, 2, 1, 1, 1, 1] [2023-11-29 06:54:22,177 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:54:22,177 INFO L748 eck$LassoCheckResult]: Stem: 911#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 912#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#1(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#0(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 903#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 904#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 915#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 914#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 909#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 910#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 969#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 968#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 967#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 966#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 965#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 964#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 963#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 962#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 961#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 960#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 959#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 958#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 957#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 956#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 955#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 954#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 953#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 952#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 951#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 950#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 949#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 922#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 923#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 921#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 916#L553-1 assume !(main_#t~mem9#1 < 12);havoc main_#t~mem9#1; 901#L552-3 call main_#t~mem5#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#0(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 902#L552-4 call main_#t~mem7#1 := read~int#0(main_~i~0#1.base, main_~i~0#1.offset, 4); 905#L552-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call write~int#2(3, main_~j~0#1.base, main_~j~0#1.offset, 4); 908#L553-4 [2023-11-29 06:54:22,177 INFO L750 eck$LassoCheckResult]: Loop: 908#L553-4 call main_#t~mem9#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4); 913#L553-1 assume !!(main_#t~mem9#1 < 12);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(main_#t~mem10#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 907#L553-3 call main_#t~mem8#1 := read~int#2(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#2(2 + main_#t~mem8#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1; 908#L553-4 [2023-11-29 06:54:22,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1560827213, now seen corresponding path program 2 times [2023-11-29 06:54:22,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:22,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375546144] [2023-11-29 06:54:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:22,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 06:54:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:22,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:22,301 INFO L85 PathProgramCache]: Analyzing trace with hash 44848, now seen corresponding path program 2 times [2023-11-29 06:54:22,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:22,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932773489] [2023-11-29 06:54:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:22,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:22,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1287540930, now seen corresponding path program 3 times [2023-11-29 06:54:22,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:22,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761051861] [2023-11-29 06:54:22,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:22,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:55:49,494 WARN L293 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 337 DAG size of output: 302 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-29 06:55:49,779 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:55:49,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:55:49,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:55:49,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:55:49,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:55:49,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:49,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:55:49,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:55:49,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration7_Lasso [2023-11-29 06:55:49,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:55:49,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:55:49,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:49,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:49,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:49,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:49,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:55:50,424 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:55:50,425 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:55:50,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,426 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 06:55:50,428 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 [2023-11-29 06:55:50,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:55:50,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:55:50,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:55:50,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 06:55:50,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,444 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 06:55:50,446 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 [2023-11-29 06:55:50,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:55:50,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:55:50,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:55:50,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-29 06:55:50,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,462 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 06:55:50,464 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 [2023-11-29 06:55:50,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:55:50,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:55:50,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 06:55:50,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,483 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 06:55:50,485 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 [2023-11-29 06:55:50,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:55:50,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:55:50,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:55:50,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-29 06:55:50,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,509 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 06:55:50,512 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 [2023-11-29 06:55:50,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:55:50,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:55:50,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 06:55:50,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,536 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 06:55:50,539 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 [2023-11-29 06:55:50,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:55:50,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:55:50,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 06:55:50,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,562 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 06:55:50,564 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 [2023-11-29 06:55:50,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:55:50,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:55:50,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:55:50,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 06:55:50,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,589 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 06:55:50,592 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 [2023-11-29 06:55:50,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:55:50,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:55:50,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:55:50,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:55:50,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:55:50,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:55:50,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:55:50,617 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-29 06:55:50,617 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-29 06:55:50,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:55:50,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:50,618 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:50,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 06:55:50,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:55:50,634 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:55:50,634 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:55:50,634 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_3) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_3 + 23 Supporting invariants [] [2023-11-29 06:55:50,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 06:55:50,680 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2023-11-29 06:55:50,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~j~0!base][~j~0!offset] could not be translated [2023-11-29 06:55:50,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:50,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:55:50,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:50,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:55:50,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:50,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 06:55:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:55:50,844 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 [2023-11-29 06:55:50,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:50,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 101 transitions. Complement of second has 9 states. [2023-11-29 06:55:50,872 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 [2023-11-29 06:55:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-29 06:55:50,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 36 letters. Loop has 3 letters. [2023-11-29 06:55:50,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:55:50,874 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:55:50,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:50,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:55:50,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:51,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:55:51,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:51,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 06:55:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:55:51,041 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 06:55:51,042 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:51,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 101 transitions. Complement of second has 9 states. [2023-11-29 06:55:51,067 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 [2023-11-29 06:55:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-29 06:55:51,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 36 letters. Loop has 3 letters. [2023-11-29 06:55:51,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:55:51,068 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:55:51,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 06:55:51,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:51,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:55:51,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:51,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:55:51,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:51,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 06:55:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:55:51,227 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 06:55:51,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:51,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 72 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 114 states and 121 transitions. Complement of second has 8 states. [2023-11-29 06:55:51,253 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 [2023-11-29 06:55:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2023-11-29 06:55:51,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 36 letters. Loop has 3 letters. [2023-11-29 06:55:51,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:55:51,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 39 letters. Loop has 3 letters. [2023-11-29 06:55:51,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:55:51,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 36 letters. Loop has 6 letters. [2023-11-29 06:55:51,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:55:51,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 121 transitions. [2023-11-29 06:55:51,257 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:55:51,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 06:55:51,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 06:55:51,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:55:51,258 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 06:55:51,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:55:51,258 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:55:51,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 06:55:51,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:55:51 BoogieIcfgContainer [2023-11-29 06:55:51,264 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:55:51,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:55:51,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:55:51,265 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:55:51,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:59" (3/4) ... [2023-11-29 06:55:51,266 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:55:51,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:55:51,267 INFO L158 Benchmark]: Toolchain (without parser) took 172447.56ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 129.4MB in the end (delta: -4.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,268 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:55:51,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.76ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 108.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.28ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,268 INFO L158 Benchmark]: Boogie Preprocessor took 42.85ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,269 INFO L158 Benchmark]: RCFGBuilder took 330.73ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 120.1MB in the end (delta: -15.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,269 INFO L158 Benchmark]: BuchiAutomizer took 171668.93ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.1MB in the beginning and 130.5MB in the end (delta: -10.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,269 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 192.9MB. Free memory was 130.5MB in the beginning and 129.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:55:51,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.76ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 108.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.28ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.85ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.73ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 120.1MB in the end (delta: -15.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 171668.93ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.1MB in the beginning and 130.5MB in the end (delta: -10.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 192.9MB. Free memory was 130.5MB in the beginning and 129.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~i~0!base][~i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~j~0!base][~j~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~j~0!base][~j~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 171.6s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 170.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 33 StatesRemovedByMinimization, 4 NontrivialMinimizations. 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 126/126 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 67 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax108 hnf100 lsp87 ukn74 mio100 lsp23 div100 bol100 ite100 ukn100 eq159 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 06:55:51,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:55:51,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 06:55:51,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b22462-e6d7-4fd9-864f-83b3773cf02a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE