./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB --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 32bit --witnessprinter.graph.data.programhash 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:09:32,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:09:32,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 02:09:32,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:09:32,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:09:32,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:09:32,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:09:32,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:09:32,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:09:32,874 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:09:32,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:09:32,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:09:32,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:09:32,874 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:09:32,874 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:09:32,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:09:32,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:09:32,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:09:32,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:09:32,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:09:32,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:09:32,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:09:32,879 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:09:32,879 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2024-11-28 02:09:33,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:09:33,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:09:33,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:09:33,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:09:33,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:09:33,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-28 02:09:36,225 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/data/a95d8c44d/4fce75b1a9d64b5f80edcac2ac9c46a6/FLAG6b7e5abc4 [2024-11-28 02:09:36,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:09:36,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-28 02:09:36,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/data/a95d8c44d/4fce75b1a9d64b5f80edcac2ac9c46a6/FLAG6b7e5abc4 [2024-11-28 02:09:36,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/data/a95d8c44d/4fce75b1a9d64b5f80edcac2ac9c46a6 [2024-11-28 02:09:36,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:09:36,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:09:36,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:09:36,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:09:36,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:09:36,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:36,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ea965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36, skipping insertion in model container [2024-11-28 02:09:36,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:36,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:09:36,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:09:36,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:09:36,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:09:36,991 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:09:36,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36 WrapperNode [2024-11-28 02:09:36,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:09:36,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:09:36,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:09:36,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:09:36,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,037 INFO L138 Inliner]: procedures = 24, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 367 [2024-11-28 02:09:37,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:09:37,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:09:37,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:09:37,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:09:37,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,075 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:09:37,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,089 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:09:37,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:09:37,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:09:37,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:09:37,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (1/1) ... [2024-11-28 02:09:37,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:37,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:37,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:37,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:09:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:09:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:09:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:09:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:09:37,302 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:09:37,304 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:09:37,874 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-28 02:09:37,874 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:09:37,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:09:37,889 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:09:37,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:37 BoogieIcfgContainer [2024-11-28 02:09:37,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:09:37,890 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:09:37,891 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:09:37,895 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:09:37,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:09:37,895 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:09:36" (1/3) ... [2024-11-28 02:09:37,896 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fc6da97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:09:37, skipping insertion in model container [2024-11-28 02:09:37,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:09:37,896 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:36" (2/3) ... [2024-11-28 02:09:37,896 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fc6da97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:09:37, skipping insertion in model container [2024-11-28 02:09:37,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:09:37,896 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:37" (3/3) ... [2024-11-28 02:09:37,898 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-28 02:09:37,957 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:09:37,957 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:09:37,958 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:09:37,958 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:09:37,958 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:09:37,959 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:09:37,959 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:09:37,959 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:09:37,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.7254901960784315) internal successors, (176), 102 states have internal predecessors, (176), 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) [2024-11-28 02:09:37,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2024-11-28 02:09:37,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:09:37,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:09:38,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:38,007 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:38,007 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:09:38,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.7254901960784315) internal successors, (176), 102 states have internal predecessors, (176), 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) [2024-11-28 02:09:38,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2024-11-28 02:09:38,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:09:38,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:09:38,015 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:38,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:38,027 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~mode1~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~alive1~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~mode2~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~alive2~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume 0 == main_#t~nondet18#1 || 1 == main_#t~nondet18#1;~mode3~0 := (if 0 == main_#t~nondet18#1 % 256 then 0 else 1);havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume 0 == main_#t~nondet19#1 || 1 == main_#t~nondet19#1;~alive3~0 := (if 0 == main_#t~nondet19#1 % 256 then 0 else 1);havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode4~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;assume 0 == main_#t~nondet24#1 || 1 == main_#t~nondet24#1;~alive4~0 := (if 0 == main_#t~nondet24#1 % 256 then 0 else 1);havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume 0 == main_#t~nondet28#1 || 1 == main_#t~nondet28#1;~mode5~0 := (if 0 == main_#t~nondet28#1 % 256 then 0 else 1);havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~alive5~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1;" "assume !(0 == ~r1~0);init_~tmp~0#1 := 0;" "init_#res#1 := init_~tmp~0#1;" "main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-28 02:09:38,034 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 10;" "assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0;" "assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0;" "assume !(node1_~m1~0#1 != ~nomsg~0);" "~mode1~0 := 0;" "havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0;" "assume !(0 != ~mode2~0 % 256);" "assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);" "~mode2~0 := 1;" "havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0;" "assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0;" "assume !(node3_~m3~0#1 != ~nomsg~0);" "~mode3~0 := 0;" "havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0;" "assume !(0 != ~mode4~0 % 256);" "assume 0 != ~alive4~0 % 256;~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256);" "~mode4~0 := 1;" "havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0;" "assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0;" "assume !(node5_~m5~0#1 != ~nomsg~0);" "~mode5~0 := 0;" "havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1;" [2024-11-28 02:09:38,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:38,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2024-11-28 02:09:38,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:38,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332703219] [2024-11-28 02:09:38,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:38,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:09:38,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332703219] [2024-11-28 02:09:38,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332703219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:38,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946101978] [2024-11-28 02:09:38,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:38,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:38,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:38,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:38,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:09:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:38,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:09:38,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:38,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:38,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946101978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:38,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:38,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-28 02:09:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266239040] [2024-11-28 02:09:38,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:38,648 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 02:09:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash 39522592, now seen corresponding path program 1 times [2024-11-28 02:09:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862130679] [2024-11-28 02:09:38,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:39,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:09:39,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862130679] [2024-11-28 02:09:39,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862130679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:39,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129741895] [2024-11-28 02:09:39,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:39,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:39,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:39,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:09:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:39,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:09:39,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:39,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129741895] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:39,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:39,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 02:09:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877137691] [2024-11-28 02:09:39,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:39,314 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:09:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:09:39,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:39,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:39,355 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.7254901960784315) internal successors, (176), 102 states have internal predecessors, (176), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2024-11-28 02:09:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:39,480 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-28 02:09:39,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 174 transitions. [2024-11-28 02:09:39,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2024-11-28 02:09:39,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 97 states and 135 transitions. [2024-11-28 02:09:39,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2024-11-28 02:09:39,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2024-11-28 02:09:39,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 135 transitions. [2024-11-28 02:09:39,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:09:39,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-28 02:09:39,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 135 transitions. [2024-11-28 02:09:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-28 02:09:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 96 states have internal predecessors, (135), 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) [2024-11-28 02:09:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 135 transitions. [2024-11-28 02:09:39,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-28 02:09:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:39,538 INFO L425 stractBuchiCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-28 02:09:39,538 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:09:39,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 135 transitions. [2024-11-28 02:09:39,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2024-11-28 02:09:39,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:09:39,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:09:39,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:39,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:39,545 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~mode1~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~alive1~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~mode2~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~alive2~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume 0 == main_#t~nondet18#1 || 1 == main_#t~nondet18#1;~mode3~0 := (if 0 == main_#t~nondet18#1 % 256 then 0 else 1);havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume 0 == main_#t~nondet19#1 || 1 == main_#t~nondet19#1;~alive3~0 := (if 0 == main_#t~nondet19#1 % 256 then 0 else 1);havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode4~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;assume 0 == main_#t~nondet24#1 || 1 == main_#t~nondet24#1;~alive4~0 := (if 0 == main_#t~nondet24#1 % 256 then 0 else 1);havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume 0 == main_#t~nondet28#1 || 1 == main_#t~nondet28#1;~mode5~0 := (if 0 == main_#t~nondet28#1 % 256 then 0 else 1);havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~alive5~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1;" "assume 0 == ~r1~0;" "assume (if ~alive1~0 % 256 % 4294967296 <= 2147483647 then ~alive1~0 % 256 % 4294967296 else ~alive1~0 % 256 % 4294967296 - 4294967296) + (if ~alive2~0 % 256 % 4294967296 <= 2147483647 then ~alive2~0 % 256 % 4294967296 else ~alive2~0 % 256 % 4294967296 - 4294967296) + (if ~alive3~0 % 256 % 4294967296 <= 2147483647 then ~alive3~0 % 256 % 4294967296 else ~alive3~0 % 256 % 4294967296 - 4294967296) + (if ~alive4~0 % 256 % 4294967296 <= 2147483647 then ~alive4~0 % 256 % 4294967296 else ~alive4~0 % 256 % 4294967296 - 4294967296) + (if ~alive5~0 % 256 % 4294967296 <= 2147483647 then ~alive5~0 % 256 % 4294967296 else ~alive5~0 % 256 % 4294967296 - 4294967296) >= 1;" "assume ~id1~0 >= 0;" "assume 0 == ~st1~0;" "assume ~send1~0 == ~id1~0;" "assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296);" "assume ~id2~0 >= 0;" "assume 0 == ~st2~0;" "assume ~send2~0 == ~id2~0;" "assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296);" "assume ~id3~0 >= 0;" "assume 0 == ~st3~0;" "assume ~send3~0 == ~id3~0;" "assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);" "assume ~id4~0 >= 0;" "assume 0 == ~st4~0;" "assume ~send4~0 == ~id4~0;" "assume 0 == (if ~mode4~0 % 256 % 4294967296 <= 2147483647 then ~mode4~0 % 256 % 4294967296 else ~mode4~0 % 256 % 4294967296 - 4294967296);" "assume ~id5~0 >= 0;" "assume 0 == ~st5~0;" "assume ~send5~0 == ~id5~0;" "assume 0 == (if ~mode5~0 % 256 % 4294967296 <= 2147483647 then ~mode5~0 % 256 % 4294967296 else ~mode5~0 % 256 % 4294967296 - 4294967296);" "assume ~id1~0 != ~id2~0;" "assume ~id1~0 != ~id3~0;" "assume ~id1~0 != ~id4~0;" "assume ~id1~0 != ~id5~0;" "assume ~id2~0 != ~id3~0;" "assume ~id2~0 != ~id4~0;" "assume ~id2~0 != ~id5~0;" "assume ~id3~0 != ~id4~0;" "assume ~id3~0 != ~id5~0;" "assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1;" "init_#res#1 := init_~tmp~0#1;" "main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-28 02:09:39,546 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 10;" "assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0;" "assume !(0 != ~mode1~0 % 256);" "assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256);" "~mode1~0 := 1;" "havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0;" "assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0;" "assume !(node2_~m2~0#1 != ~nomsg~0);" "~mode2~0 := 0;" "havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0;" "assume !(0 != ~mode3~0 % 256);" "assume 0 != ~alive3~0 % 256;~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);" "~mode3~0 := 1;" "havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0;" "assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0;" "assume !(node4_~m4~0#1 != ~nomsg~0);" "~mode4~0 := 0;" "havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0;" "assume !(0 != ~mode5~0 % 256);" "assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256);" "~mode5~0 := 1;" "havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1;" [2024-11-28 02:09:39,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:39,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2024-11-28 02:09:39,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:39,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771930638] [2024-11-28 02:09:39,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:39,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:39,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:09:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:39,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:09:39,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash 50413025, now seen corresponding path program 1 times [2024-11-28 02:09:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:39,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717757089] [2024-11-28 02:09:39,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:39,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:09:39,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717757089] [2024-11-28 02:09:39,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717757089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:39,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317741368] [2024-11-28 02:09:39,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:39,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:39,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:39,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:39,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:09:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:40,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:09:40,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:40,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:40,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317741368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:40,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:40,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 02:09:40,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793490340] [2024-11-28 02:09:40,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:40,135 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:09:40,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:09:40,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:09:40,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:40,136 INFO L87 Difference]: Start difference. First operand 97 states and 135 transitions. cyclomatic complexity: 39 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2024-11-28 02:09:40,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:40,173 INFO L93 Difference]: Finished difference Result 100 states and 137 transitions. [2024-11-28 02:09:40,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 137 transitions. [2024-11-28 02:09:40,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2024-11-28 02:09:40,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 97 states and 133 transitions. [2024-11-28 02:09:40,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2024-11-28 02:09:40,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2024-11-28 02:09:40,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 133 transitions. [2024-11-28 02:09:40,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:09:40,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-11-28 02:09:40,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 133 transitions. [2024-11-28 02:09:40,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-28 02:09:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 96 states have internal predecessors, (133), 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) [2024-11-28 02:09:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2024-11-28 02:09:40,182 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-11-28 02:09:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:40,184 INFO L425 stractBuchiCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-11-28 02:09:40,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:09:40,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 133 transitions. [2024-11-28 02:09:40,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2024-11-28 02:09:40,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:09:40,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:09:40,186 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:40,186 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:40,186 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~mode1~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~alive1~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~mode2~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~alive2~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume 0 == main_#t~nondet18#1 || 1 == main_#t~nondet18#1;~mode3~0 := (if 0 == main_#t~nondet18#1 % 256 then 0 else 1);havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume 0 == main_#t~nondet19#1 || 1 == main_#t~nondet19#1;~alive3~0 := (if 0 == main_#t~nondet19#1 % 256 then 0 else 1);havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode4~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;assume 0 == main_#t~nondet24#1 || 1 == main_#t~nondet24#1;~alive4~0 := (if 0 == main_#t~nondet24#1 % 256 then 0 else 1);havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;assume 0 == main_#t~nondet28#1 || 1 == main_#t~nondet28#1;~mode5~0 := (if 0 == main_#t~nondet28#1 % 256 then 0 else 1);havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~alive5~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1;" "assume 0 == ~r1~0;" "assume (if ~alive1~0 % 256 % 4294967296 <= 2147483647 then ~alive1~0 % 256 % 4294967296 else ~alive1~0 % 256 % 4294967296 - 4294967296) + (if ~alive2~0 % 256 % 4294967296 <= 2147483647 then ~alive2~0 % 256 % 4294967296 else ~alive2~0 % 256 % 4294967296 - 4294967296) + (if ~alive3~0 % 256 % 4294967296 <= 2147483647 then ~alive3~0 % 256 % 4294967296 else ~alive3~0 % 256 % 4294967296 - 4294967296) + (if ~alive4~0 % 256 % 4294967296 <= 2147483647 then ~alive4~0 % 256 % 4294967296 else ~alive4~0 % 256 % 4294967296 - 4294967296) + (if ~alive5~0 % 256 % 4294967296 <= 2147483647 then ~alive5~0 % 256 % 4294967296 else ~alive5~0 % 256 % 4294967296 - 4294967296) >= 1;" "assume ~id1~0 >= 0;" "assume 0 == ~st1~0;" "assume ~send1~0 == ~id1~0;" "assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296);" "assume ~id2~0 >= 0;" "assume 0 == ~st2~0;" "assume ~send2~0 == ~id2~0;" "assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296);" "assume ~id3~0 >= 0;" "assume 0 == ~st3~0;" "assume ~send3~0 == ~id3~0;" "assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);" "assume ~id4~0 >= 0;" "assume 0 == ~st4~0;" "assume ~send4~0 == ~id4~0;" "assume 0 == (if ~mode4~0 % 256 % 4294967296 <= 2147483647 then ~mode4~0 % 256 % 4294967296 else ~mode4~0 % 256 % 4294967296 - 4294967296);" "assume ~id5~0 >= 0;" "assume 0 == ~st5~0;" "assume ~send5~0 == ~id5~0;" "assume 0 == (if ~mode5~0 % 256 % 4294967296 <= 2147483647 then ~mode5~0 % 256 % 4294967296 else ~mode5~0 % 256 % 4294967296 - 4294967296);" "assume ~id1~0 != ~id2~0;" "assume ~id1~0 != ~id3~0;" "assume ~id1~0 != ~id4~0;" "assume ~id1~0 != ~id5~0;" "assume ~id2~0 != ~id3~0;" "assume ~id2~0 != ~id4~0;" "assume ~id2~0 != ~id5~0;" "assume ~id3~0 != ~id4~0;" "assume ~id3~0 != ~id5~0;" "assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1;" "init_#res#1 := init_~tmp~0#1;" "main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-28 02:09:40,187 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i2~0#1 < 10;" "assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0;" "assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0;" "assume !(node1_~m1~0#1 != ~nomsg~0);" "~mode1~0 := 0;" "havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0;" "assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0;" "assume !(node2_~m2~0#1 != ~nomsg~0);" "~mode2~0 := 0;" "havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0;" "assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0;" "assume !(node3_~m3~0#1 != ~nomsg~0);" "~mode3~0 := 0;" "havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0;" "assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0;" "assume !(node4_~m4~0#1 != ~nomsg~0);" "~mode4~0 := 0;" "havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0;" "assume !(0 != ~mode5~0 % 256);" "assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256);" "~mode5~0 := 1;" "havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1;" "assume ~r1~0 < 5;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1;" [2024-11-28 02:09:40,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2024-11-28 02:09:40,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:40,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014120854] [2024-11-28 02:09:40,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:40,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:40,261 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:09:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:40,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:09:40,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash 795005806, now seen corresponding path program 1 times [2024-11-28 02:09:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:40,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617659088] [2024-11-28 02:09:40,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:40,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:40,364 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:09:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:09:40,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:09:40,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:40,391 INFO L85 PathProgramCache]: Analyzing trace with hash 64604164, now seen corresponding path program 1 times [2024-11-28 02:09:40,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:09:40,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997518816] [2024-11-28 02:09:40,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:40,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:40,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:09:40,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997518816] [2024-11-28 02:09:40,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997518816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:40,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630437017] [2024-11-28 02:09:40,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:40,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:40,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:09:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:40,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:09:40,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:40,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630437017] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:40,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 02:09:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202762718] [2024-11-28 02:09:40,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:42,604 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:09:42,604 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:09:42,605 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:09:42,605 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:09:42,605 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:09:42,605 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:42,605 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:09:42,605 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:09:42,606 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2024-11-28 02:09:42,606 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:09:42,606 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:09:42,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:42,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:43,744 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-28 02:09:45,583 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:09:45,584 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:09:45,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:09:45,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:09:45,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:45,710 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:09:45,711 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p1_old~0=-128, ~p4_new~0=-128, ~p1_new~0=-128, ~p2_new~0=-128, ~p3_new~0=-128, ~nomsg~0=-128, ~p5_old~0=-128, ~p5_new~0=-128, ~p3_old~0=-128, ~p2_old~0=-128, ~send5~0=-128, ~p4_old~0=-128} Honda state: {~p1_old~0=-128, ~p4_new~0=-128, ~p1_new~0=-128, ~p2_new~0=-128, ~p3_new~0=-128, ~nomsg~0=-128, ~p5_old~0=-128, ~p5_new~0=-128, ~p3_old~0=-128, ~p2_old~0=-128, ~send5~0=-128, ~p4_old~0=-128} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:09:45,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:09:45,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:09:45,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:09:45,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:45,747 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:09:45,747 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~alive5~0=30} Honda state: {~alive5~0=30} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:09:45,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:09:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,756 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:09:45,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:09:45,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:45,774 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:09:45,774 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node3_~m3~0#1=0} Honda state: {ULTIMATE.start_node3_~m3~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:09:45,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:09:45,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:09:45,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:45,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:09:45,809 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:09:45,810 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node5_~m5~0#1=0} Honda state: {ULTIMATE.start_node5_~m5~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:09:45,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:09:45,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,819 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:09:45,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:09:45,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:45,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:09:45,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:45,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:45,872 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:45,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:09:45,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:09:45,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:09:46,156 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:09:46,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 02:09:46,161 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:09:46,161 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:09:46,161 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:09:46,162 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:09:46,162 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:09:46,162 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:46,162 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:09:46,162 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:09:46,162 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2024-11-28 02:09:46,162 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:09:46,162 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:09:46,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:46,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:09:47,164 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-28 02:09:48,900 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:09:48,904 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:09:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:48,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:48,907 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:48,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:09:48,910 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 [2024-11-28 02:09:48,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:48,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:48,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:48,925 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-11-28 02:09:48,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:48,995 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:09:48,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:09:49,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,054 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:09:49,058 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 [2024-11-28 02:09:49,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 02:09:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:09:49,093 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 [2024-11-28 02:09:49,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:49,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,124 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:09:49,129 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 [2024-11-28 02:09:49,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:49,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,163 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:09:49,168 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 [2024-11-28 02:09:49,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,196 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:09:49,201 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 [2024-11-28 02:09:49,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 02:09:49,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,217 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:09:49,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,221 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:09:49,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,234 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:09:49,236 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 [2024-11-28 02:09:49,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:49,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,268 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:09:49,272 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 [2024-11-28 02:09:49,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:09:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,301 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:09:49,304 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 [2024-11-28 02:09:49,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:09:49,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,332 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:09:49,336 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 [2024-11-28 02:09:49,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,354 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:09:49,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:09:49,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,364 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:09:49,367 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 [2024-11-28 02:09:49,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:09:49,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:09:49,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:09:49,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:09:49,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:09:49,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:09:49,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:09:49,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:09:49,385 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:09:49,388 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 02:09:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:09:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:49,391 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:49,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:09:49,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:09:49,393 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:09:49,393 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:09:49,393 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 19 Supporting invariants [] [2024-11-28 02:09:49,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:09:49,402 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:09:49,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:49,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:09:49,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:49,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:09:49,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:49,705 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:09:49,706 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 133 transitions. cyclomatic complexity: 37 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-28 02:09:49,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 133 transitions. cyclomatic complexity: 37. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 156 states and 229 transitions. Complement of second has 4 states. [2024-11-28 02:09:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:09:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-28 02:09:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2024-11-28 02:09:49,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 133 transitions. Stem has 38 letters. Loop has 28 letters. [2024-11-28 02:09:49,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:09:49,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 133 transitions. Stem has 66 letters. Loop has 28 letters. [2024-11-28 02:09:49,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:09:49,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 133 transitions. Stem has 38 letters. Loop has 56 letters. [2024-11-28 02:09:49,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:09:49,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 229 transitions. [2024-11-28 02:09:49,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:09:49,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 0 states and 0 transitions. [2024-11-28 02:09:49,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:09:49,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:09:49,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:09:49,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:09:49,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:09:49,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:09:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:09:49,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:49,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:49,793 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-28 02:09:49,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:49,793 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:09:49,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:09:49,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:09:49,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:09:49,793 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:09:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:09:49,795 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:09:49,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:09:49,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:09:49,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:09:49,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:09:49,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:09:49 BoogieIcfgContainer [2024-11-28 02:09:49,804 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:09:49,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:09:49,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:09:49,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:09:49,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:37" (3/4) ... [2024-11-28 02:09:49,807 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:09:49,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:09:49,809 INFO L158 Benchmark]: Toolchain (without parser) took 13237.39ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.8MB in the beginning and 331.8MB in the end (delta: -214.1MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-28 02:09:49,809 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:49,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.12ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 101.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:09:49,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:49,810 INFO L158 Benchmark]: Boogie Preprocessor took 77.27ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 96.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:49,811 INFO L158 Benchmark]: RCFGBuilder took 774.31ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 65.3MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:09:49,811 INFO L158 Benchmark]: BuchiAutomizer took 11913.12ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.0MB in the beginning and 331.9MB in the end (delta: -266.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-28 02:09:49,811 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 427.8MB. Free memory was 331.9MB in the beginning and 331.8MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:49,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.12ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 101.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.27ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 96.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 774.31ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 65.3MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 11913.12ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.0MB in the beginning and 331.9MB in the end (delta: -266.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 427.8MB. Free memory was 331.9MB in the beginning and 331.8MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (19 + ((long long) -2 * i2)) and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 11.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 1391 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 957 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 434 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax100 hnf100 lsp273 ukn28 mio100 lsp100 div130 bol100 ite100 ukn100 eq176 hnf95 smp80 dnf1483 smp19 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 138ms VariablesStem: 0 VariablesLoop: 25 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:09:49,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:09:50,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:09:50,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:09:50,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:09:50,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:50,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7561210-5ed7-4e6d-a304-2da6f8b7ece8/bin/uautomizer-verify-aQ6SnzHsRB/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